CN104694853A - High-strength steel plate for gravity type goods shelves and heat processing process thereof - Google Patents
High-strength steel plate for gravity type goods shelves and heat processing process thereof Download PDFInfo
- Publication number
- CN104694853A CN104694853A CN201510123418.6A CN201510123418A CN104694853A CN 104694853 A CN104694853 A CN 104694853A CN 201510123418 A CN201510123418 A CN 201510123418A CN 104694853 A CN104694853 A CN 104694853A
- Authority
- CN
- China
- Prior art keywords
- parts
- steel plate
- zinc powder
- phase
- organic solvent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 91
- 239000010959 steel Substances 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000005484 gravity Effects 0.000 title abstract description 4
- 239000012535 impurity Substances 0.000 claims abstract description 34
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 23
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052779 Neodymium Inorganic materials 0.000 claims abstract description 13
- 229910052777 Praseodymium Inorganic materials 0.000 claims abstract description 13
- 229910052771 Terbium Inorganic materials 0.000 claims abstract description 13
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 13
- 239000011651 chromium Substances 0.000 claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- 239000010949 copper Substances 0.000 claims abstract description 13
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 13
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims abstract description 13
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims abstract description 13
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims abstract description 13
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000010936 titanium Substances 0.000 claims abstract description 13
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 13
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 12
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 12
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 12
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 12
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 12
- 239000011575 calcium Substances 0.000 claims abstract description 12
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 12
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 12
- 239000011777 magnesium Substances 0.000 claims abstract description 12
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 12
- 239000011733 molybdenum Substances 0.000 claims abstract description 12
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 12
- 229910052706 scandium Inorganic materials 0.000 claims abstract description 12
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 12
- 239000010703 silicon Substances 0.000 claims abstract description 12
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 12
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 12
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 77
- 238000001816 cooling Methods 0.000 claims description 41
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 33
- 239000003960 organic solvent Substances 0.000 claims description 33
- 238000005260 corrosion Methods 0.000 claims description 31
- 230000007797 corrosion Effects 0.000 claims description 31
- 239000011248 coating agent Substances 0.000 claims description 28
- 238000000576 coating method Methods 0.000 claims description 28
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 22
- 238000000967 suction filtration Methods 0.000 claims description 22
- 238000010792 warming Methods 0.000 claims description 22
- 238000005507 spraying Methods 0.000 claims description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 12
- ZEMPKEQAKRGZGQ-AAKVHIHISA-N 2,3-bis[[(z)-12-hydroxyoctadec-9-enoyl]oxy]propyl (z)-12-hydroxyoctadec-9-enoate Chemical compound CCCCCCC(O)C\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CC(O)CCCCCC)COC(=O)CCCCCCC\C=C/CC(O)CCCCCC ZEMPKEQAKRGZGQ-AAKVHIHISA-N 0.000 claims description 11
- 239000004593 Epoxy Substances 0.000 claims description 11
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 11
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 11
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 11
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims description 11
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 claims description 11
- 239000004411 aluminium Substances 0.000 claims description 11
- 239000004842 bisphenol F epoxy resin Substances 0.000 claims description 11
- 239000003054 catalyst Substances 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 239000013530 defoamer Substances 0.000 claims description 11
- 230000018044 dehydration Effects 0.000 claims description 11
- 238000006297 dehydration reaction Methods 0.000 claims description 11
- XJWSAJYUBXQQDR-UHFFFAOYSA-M dodecyltrimethylammonium bromide Chemical compound [Br-].CCCCCCCCCCCC[N+](C)(C)C XJWSAJYUBXQQDR-UHFFFAOYSA-M 0.000 claims description 11
- 230000008030 elimination Effects 0.000 claims description 11
- 238000003379 elimination reaction Methods 0.000 claims description 11
- 239000003822 epoxy resin Substances 0.000 claims description 11
- 229910052748 manganese Inorganic materials 0.000 claims description 11
- 239000011572 manganese Substances 0.000 claims description 11
- 239000002808 molecular sieve Substances 0.000 claims description 11
- 239000003921 oil Substances 0.000 claims description 11
- 239000010451 perlite Substances 0.000 claims description 11
- 235000019362 perlite Nutrition 0.000 claims description 11
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 11
- 229920002401 polyacrylamide Polymers 0.000 claims description 11
- 229920000647 polyepoxide Polymers 0.000 claims description 11
- -1 polyoxyethylene Polymers 0.000 claims description 11
- 238000000746 purification Methods 0.000 claims description 11
- 229920002050 silicone resin Polymers 0.000 claims description 11
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 229910000859 α-Fe Inorganic materials 0.000 claims description 11
- 238000007669 thermal treatment Methods 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 238000010791 quenching Methods 0.000 claims description 5
- 230000000171 quenching effect Effects 0.000 claims description 5
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 abstract 1
- 230000003245 working effect Effects 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention discloses a high-strength steel plate for gravity type goods shelves and a heat processing process thereof. The high-strength steel plate for the gravity type goods shelves is composed of, by weight percentage, 0.82-0.84% of carbon, 7.52-7.58% of manganese, 0.24-0.26% of aluminum, 0.12-0.14% of calcium, 0.41-0.43% of silicon, 1.23-1.25% of scandium, 3.36-3.38% of vanadium, 0.33-0.35% of titanium, 7.23-7.27% of copper, 0.07-0.09% of tin, 4.27-4.29% of chromium, 0.86-0.88% of molybdenum, 6.21-6.23% of nickel, 0.036-0.038% of lead, 3.42-3.44% of magnesium, 0.55-0.58% of praseodymium, 0.32-0.36% of lanthanum, 1.22-1.24% of neodymium, 0.54-0.56% of terbium, balancing Fe and inevitable impurities.
Description
Technical field
The invention belongs to Storage and circulation equipment field, relate to a kind of high tensile steel plate for gravitational goods shelves and thermal treatment process thereof.
Background technology
The important tool that shelf are warehouse modernization and raise the efficiency, and market requirement share is more and more higher.Along with economic jump development, foreign capital affiliate pours into China Yangtze River Delta, the Delta of the Pearl River one band in a large number, not only drive the development of local economy, and brought new management philosophy and administrative skill, more and more employing automated storing in current storage rack storehouse.
Storage rack is storing device, is based on the six large basic functions of packing, transporting, loading and unloading, sorting, information management being logistics.Along with the development of 2014 storage rack industries, increasing industry and enterprise have applied to storage rack, and increasing enterprise enters storage sector.Serve various circles of society friend.And shelf are one of principal facilities of storage, can say, shelf are modern industry warehouse, logistics center, the requisite integral part of home-delivery center.
Gravitational goods shelves utilizes self gravitation, then slant setting, slides to the other end from one end, and picking is convenient and simple, and all gravity bears by the steel plate on support, so the height of armor plate strength, directly has influence on its use range and work-ing life.
Summary of the invention
Technical problem to be solved by this invention is, overcome the shortcoming of prior art, a kind of high tensile steel plate for gravitational goods shelves and thermal treatment process thereof are provided, not only intensity is high, corrosion resistance is strong, and the rub resistance ability on its surface improves greatly, reduces its wearing and tearing, increase its work-ing life, reduce costs.
In order to solve above technical problem, the invention provides a kind of high tensile steel plate for gravitational goods shelves, the composition of this steel plate and mass percent are: carbon: 0.82-0.84%, manganese: 7.52-7.58%, aluminium: 0.24-0.26%, calcium: 0.12-0.14%, silicon: 0.41-0.43%, scandium: 1.23-1.25%, vanadium: 3.36-3.38%, titanium: 0.33-0.35%, copper: 7.23-7.27%, tin: 0.07-0.09%, chromium: 4.27-4.29%, molybdenum: 0.86-0.88%, nickel: 6.21-6.23%, plumbous: 0.036-0.038%, magnesium: 3.42-3.44%, praseodymium: 0.55-0.58%, lanthanum: 0.32-0.36%, neodymium: 1.22-1.24%, terbium: 0.54-0.56%, surplus is Fe and inevitable impurity,
In this steel plate, first-phase is ferrite, and second-phase is perlite, and at thickness place, surface to 1/5, second-phase percent by volume is 7.32-7.35%, and 1/3 thickness is 6.47-6.49% to center second-phase percent by volume, and without banded structure;
The surface spraying of steel plate has corrosion-resistant coating, and corrosion-resistant coating is according to the mass fraction;
Epoxy modified silicone resin: 58-68 part, bisphenol A epoxide resin: 45-56 part, Viscotrol C: 12-14 part, Graphite Powder 99: 7-9 part, zinc powder: 5-7 part, toluene: 1-3 part, GPES type defoamer: 7-9 part; Bisphenol F epoxy resin: 10-12 part, pearlescence: 11-13 part, Trimethyllaurylammonium bromide: 8-9 part, polyacrylamide: 5-7 part, polyvinyl butyral acetal: 6-8 part, alkylphenol polyoxyethylene: 1-3 part, methacrylic acid: 3-5 part, vibrin: 3-5 part;
Wherein zinc powder is rear zinc powder of purifying, and the method for purification concrete operations of zinc powder are as follows:
first that organic solvent 13X type molecular sieve dehydration 3 days is for subsequent use;
zinc powder, organic solvent and catalyst trap agent to be joined in the there-necked flask of 150mm after stirring at room temperature 15min and leave standstill 1h, then the impurity that the Suction filtration device elimination of composition trying vacuum pump, Büchner funnel and Erlenmeyer flask with recirculated water is separated out;
the zinc powder removing impurity is joined in there-necked flask, starts heating and be slowly warming up to 65 DEG C, organic solvent evaporated and collects, being warming up to 95 DEG C, suction filtration 55min, the zinc powder after purifying can be obtained.
The present invention also provides a kind of thermal treatment process of the high tensile steel plate for gravitational goods shelves, and it is characterized in that, concrete technology is as follows:
Step (1): the steel plate forged is heated to 1280-1290 DEG C by high-frequency quenching stove, insulation 1-2h, then air cooling is to 720-730 DEG C, passes into nitrogen as shielding gas, continues 1-2h;
Step (2): then adopt and air-cooledly with the rate of cooling of 7 DEG C/s, steel plate is cooled to 525 DEG C, adopt water-cooled, with the rate of cooling of 5 DEG C/s, steel plate is chilled to 350-360 DEG C, adopt again and to be air-cooledly combined with oil cooling, first adopt and air-cooledly with the rate of cooling of 12 DEG C/s, steel plate is cooled to 250 DEG C, adopt oil cooling, with the rate of cooling of 7 DEG C/s, steel plate is chilled to room temperature;
Step (3): cleaning surface of steel plate, to its surface uniform spraying corrosion-resistant coating, thickness is after 4-6mm, and putting it into envrionment temperature is 62-65 DEG C, and keep 4-5h, then air cooling is to room temperature.
The technical scheme that the present invention limits further is:
The aforesaid high tensile steel plate for gravitational goods shelves, the composition of this steel plate and mass percent are: carbon: 0.82%, manganese: 7.52%, aluminium: 0.24%, calcium: 0.12%, silicon: 0.41%, scandium: 1.23%, vanadium: 3.36%, titanium: 0.33%, copper: 7.23%, tin: 0.07%, chromium: 4.27%, molybdenum: 0.86%, nickel: 6.21%, plumbous: 0.036%, magnesium: 3.42%, praseodymium: 0.55%, lanthanum: 0.32%, neodymium: 1.22%, terbium: 0.54%, surplus is Fe and inevitable impurity;
In this steel plate, first-phase is ferrite, and second-phase is perlite, be 7.32%, 1/3 thickness is 6.47% to center second-phase percent by volume in thickness place, surface to 1/5 second-phase percent by volume, and without banded structure;
The surface spraying of steel plate has corrosion-resistant coating, and corrosion-resistant coating is according to the mass fraction;
Epoxy modified silicone resin: 58 parts, bisphenol A epoxide resin: 45 parts, Viscotrol C: 12 parts, Graphite Powder 99: 7 parts, zinc powder: 5 parts, toluene: 1 part, GPES type defoamer: 7 parts; Bisphenol F epoxy resin: 10 parts, pearlescence: 11 parts, Trimethyllaurylammonium bromide: 8 parts, polyacrylamide: 5 parts, polyvinyl butyral acetal: 6 parts, alkylphenol polyoxyethylene: 1 part, methacrylic acid: 3 parts, vibrin: 3 parts;
Wherein zinc powder is rear zinc powder of purifying, and the method for purification concrete operations of zinc powder are as follows:
first that organic solvent 13X type molecular sieve dehydration 3 days is for subsequent use;
zinc powder, organic solvent and catalyst trap agent to be joined in the there-necked flask of 150mm after stirring at room temperature 15min and leave standstill 1h, then the impurity that the Suction filtration device elimination of composition trying vacuum pump, Büchner funnel and Erlenmeyer flask with recirculated water is separated out;
the zinc powder removing impurity is joined in there-necked flask, starts heating and be slowly warming up to 65 DEG C, organic solvent evaporated and collects, being warming up to 95 DEG C, suction filtration 55min, the zinc powder after purifying can be obtained.
The aforesaid high tensile steel plate for gravitational goods shelves, the composition of this steel plate and mass percent are: carbon: 0.84%, manganese: 7.58%, aluminium: 0.26%, calcium: 0.14%, silicon: 0.43%, scandium: 1.25%, vanadium: 3.38%, titanium: 0.35%, copper: 7.27%, tin: 0.09%, chromium: 4.29%, molybdenum: 0.88%, nickel: 6.23%, plumbous: 0.038%, magnesium: 3.44%, praseodymium: 0.58%, lanthanum: 0.36%, neodymium: 1.24%, terbium: 0.56%, surplus is Fe and inevitable impurity;
In this steel plate, first-phase is ferrite, and second-phase is perlite, be 7.35%, 1/3 thickness is 6.49% to center second-phase percent by volume in thickness place, surface to 1/5 second-phase percent by volume, and without banded structure;
The surface spraying of steel plate has corrosion-resistant coating, and corrosion-resistant coating is according to the mass fraction;
Epoxy modified silicone resin: 68 parts, bisphenol A epoxide resin: 56 parts, Viscotrol C: 14 parts, Graphite Powder 99: 9 parts, zinc powder: 7 parts, toluene: 3 parts, GPES type defoamer: 9 parts; Bisphenol F epoxy resin: 12 parts, pearlescence: 13 parts, Trimethyllaurylammonium bromide: 9 parts, polyacrylamide: 7 parts, polyvinyl butyral acetal: 8 parts, alkylphenol polyoxyethylene: 3 parts, methacrylic acid: 5 parts, vibrin: 5 parts;
Wherein zinc powder is rear zinc powder of purifying, and the method for purification concrete operations of zinc powder are as follows:
first that organic solvent 13X type molecular sieve dehydration 3 days is for subsequent use;
zinc powder, organic solvent and catalyst trap agent to be joined in the there-necked flask of 150mm after stirring at room temperature 15min and leave standstill 1h, then the impurity that the Suction filtration device elimination of composition trying vacuum pump, Büchner funnel and Erlenmeyer flask with recirculated water is separated out;
the zinc powder removing impurity is joined in there-necked flask, starts heating and be slowly warming up to 65 DEG C, organic solvent evaporated and collects, being warming up to 95 DEG C, suction filtration 55min, the zinc powder after purifying can be obtained.
The aforesaid high tensile steel plate for gravitational goods shelves, the composition of this steel plate and mass percent are: carbon: 0.83%, manganese: 7.55%, aluminium: 0.25%, calcium: 0.13%, silicon: 0.42%, scandium: 1.24%, vanadium: 3.37%, titanium: 0.34%, copper: 7.26%, tin: 0.08%, chromium: 4.28%, molybdenum: 0.87%, nickel: 6.22%, plumbous: 0.037%, magnesium: 3.43%, praseodymium: 0.56%, lanthanum: 0.35%, neodymium: 1.23%, terbium: 0.55%, surplus is Fe and inevitable impurity;
In this steel plate, first-phase is ferrite, and second-phase is perlite, be 7.34%, 1/3 thickness is 6.48% to center second-phase percent by volume in thickness place, surface to 1/5 second-phase percent by volume, and without banded structure;
The surface spraying of steel plate has corrosion-resistant coating, and corrosion-resistant coating is according to the mass fraction;
Epoxy modified silicone resin: 59 parts, bisphenol A epoxide resin: 48 parts, Viscotrol C: 13 parts, Graphite Powder 99: 8 parts, zinc powder: 6 parts, toluene: 2 parts, GPES type defoamer: 8 parts; Bisphenol F epoxy resin: 11 parts, pearlescence: 12 parts, Trimethyllaurylammonium bromide: 8 parts, polyacrylamide: 6 parts, polyvinyl butyral acetal: 7 parts, alkylphenol polyoxyethylene: 2 parts, methacrylic acid: 4 parts, vibrin: 4 parts;
Wherein zinc powder is rear zinc powder of purifying, and the method for purification concrete operations of zinc powder are as follows:
first that organic solvent 13X type molecular sieve dehydration 3 days is for subsequent use;
zinc powder, organic solvent and catalyst trap agent to be joined in the there-necked flask of 150mm after stirring at room temperature 15min and leave standstill 1h, then the impurity that the Suction filtration device elimination of composition trying vacuum pump, Büchner funnel and Erlenmeyer flask with recirculated water is separated out;
the zinc powder removing impurity is joined in there-necked flask, starts heating and be slowly warming up to 65 DEG C, organic solvent evaporated and collects, being warming up to 95 DEG C, suction filtration 55min, the zinc powder after purifying can be obtained.
The invention has the beneficial effects as follows: this steel plate not only intensity is high, corrosion resistance is strong, and the rub resistance ability on its surface improves greatly, reduces its wearing and tearing, increases its work-ing life, reduce costs; Wherein add titanium elements, erosion resistance and intensity can be improved, add v element, energy crystal grain thinning in thermal treatment, can strengthen its intensity, toughness, anticorrosive, the wear-resisting and load that withstands shocks etc., add copper, energy crystal grain thinning and its superheated susceptivity of reduction and temper brittleness, improve intensity, resistant to hydrogen under weather-resistant and high temperature, nitrogen, ammonia corrosion can be improved, add chromium and micro-Ni element, its wear-resisting ability ability can be improved and increase its intensity, improve its fusing point, increase ability and the resistance of oxidation of high temperature resistance;
And the praseodymium, the lanthanum that add in rare earth element, neodymium and terbium element, be conducive to crystal grain thinning in heat treatment process, forms fine and close grain structure, increase the intensity of its entirety; By thermal treatment process, pass into nitrogen as shielding gas, be conducive to forming compact-grain; eliminate pore, corrosion-resistant coating is sprayed on surface, and not only outward appearance is good; and surface is beautiful; crocking resistance is strong, increases the work-ing life of steel plate, reduces costs; and adopt and to be air-cooledly combined with oil cooling; the effect of crystal grain thinning can be played, increase intensity and the work-ing life of steel plate, improve its comprehensive mechanical performance.
Embodiment
embodiment 1
A kind of high tensile steel plate for gravitational goods shelves that the present embodiment provides, the composition of this steel plate and mass percent are: carbon: 0.82%, manganese: 7.52%, aluminium: 0.24%, calcium: 0.12%, silicon: 0.41%, scandium: 1.23%, vanadium: 3.36%, titanium: 0.33%, copper: 7.23%, tin: 0.07%, chromium: 4.27%, molybdenum: 0.86%, nickel: 6.21%, plumbous: 0.036%, magnesium: 3.42%, praseodymium: 0.55%, lanthanum: 0.32%, neodymium: 1.22%, terbium: 0.54%, surplus is Fe and inevitable impurity;
In this steel plate, first-phase is ferrite, and second-phase is perlite, be 7.32%, 1/3 thickness is 6.47% to center second-phase percent by volume in thickness place, surface to 1/5 second-phase percent by volume, and without banded structure;
The surface spraying of steel plate has corrosion-resistant coating, and corrosion-resistant coating is according to the mass fraction;
Epoxy modified silicone resin: 58 parts, bisphenol A epoxide resin: 45 parts, Viscotrol C: 12 parts, Graphite Powder 99: 7 parts, zinc powder: 5 parts, toluene: 1 part, GPES type defoamer: 7 parts; Bisphenol F epoxy resin: 10 parts, pearlescence: 11 parts, Trimethyllaurylammonium bromide: 8 parts, polyacrylamide: 5 parts, polyvinyl butyral acetal: 6 parts, alkylphenol polyoxyethylene: 1 part, methacrylic acid: 3 parts, vibrin: 3 parts;
Wherein zinc powder is rear zinc powder of purifying, and the method for purification concrete operations of zinc powder are as follows:
first that organic solvent 13X type molecular sieve dehydration 3 days is for subsequent use;
zinc powder, organic solvent and catalyst trap agent to be joined in the there-necked flask of 150mm after stirring at room temperature 15min and leave standstill 1h, then the impurity that the Suction filtration device elimination of composition trying vacuum pump, Büchner funnel and Erlenmeyer flask with recirculated water is separated out;
the zinc powder removing impurity is joined in there-necked flask, starts heating and be slowly warming up to 65 DEG C, organic solvent evaporated and collects, being warming up to 95 DEG C, suction filtration 55min, the zinc powder after purifying can be obtained.
The present embodiment also provides a kind of thermal treatment process of the high tensile steel plate for gravitational goods shelves, and it is characterized in that, concrete technology is as follows:
Step (1): the steel plate forged is heated to 1280 DEG C by high-frequency quenching stove, insulation 1h, then air cooling to 720 DEG C, pass into nitrogen as shielding gas, continues 1h;
Step (2): then adopt and air-cooledly with the rate of cooling of 7 DEG C/s, steel plate is cooled to 525 DEG C, adopt water-cooled, with the rate of cooling of 5 DEG C/s, steel plate is chilled to 350 DEG C, adopt again and to be air-cooledly combined with oil cooling, first adopt and air-cooledly with the rate of cooling of 12 DEG C/s, steel plate is cooled to 250 DEG C, adopt oil cooling, with the rate of cooling of 7 DEG C/s, steel plate is chilled to room temperature;
Step (3): cleaning surface of steel plate, to its surface uniform spraying corrosion-resistant coating, thickness is after 4mm, and putting it into envrionment temperature is 62 DEG C, and keep 4h, then air cooling is to room temperature.
embodiment 2
A kind of high tensile steel plate for gravitational goods shelves that the present embodiment provides, the composition of this steel plate and mass percent are: carbon: 0.84%, manganese: 7.58%, aluminium: 0.26%, calcium: 0.14%, silicon: 0.43%, scandium: 1.25%, vanadium: 3.38%, titanium: 0.35%, copper: 7.27%, tin: 0.09%, chromium: 4.29%, molybdenum: 0.88%, nickel: 6.23%, plumbous: 0.038%, magnesium: 3.44%, praseodymium: 0.58%, lanthanum: 0.36%, neodymium: 1.24%, terbium: 0.56%, surplus is Fe and inevitable impurity;
In this steel plate, first-phase is ferrite, and second-phase is perlite, be 7.35%, 1/3 thickness is 6.49% to center second-phase percent by volume in thickness place, surface to 1/5 second-phase percent by volume, and without banded structure;
The surface spraying of steel plate has corrosion-resistant coating, and corrosion-resistant coating is according to the mass fraction;
Epoxy modified silicone resin: 68 parts, bisphenol A epoxide resin: 56 parts, Viscotrol C: 14 parts, Graphite Powder 99: 9 parts, zinc powder: 7 parts, toluene: 3 parts, GPES type defoamer: 9 parts; Bisphenol F epoxy resin: 12 parts, pearlescence: 13 parts, Trimethyllaurylammonium bromide: 9 parts, polyacrylamide: 7 parts, polyvinyl butyral acetal: 8 parts, alkylphenol polyoxyethylene: 3 parts, methacrylic acid: 5 parts, vibrin: 5 parts;
Wherein zinc powder is rear zinc powder of purifying, and the method for purification concrete operations of zinc powder are as follows:
first that organic solvent 13X type molecular sieve dehydration 3 days is for subsequent use;
zinc powder, organic solvent and catalyst trap agent to be joined in the there-necked flask of 150mm after stirring at room temperature 15min and leave standstill 1h, then the impurity that the Suction filtration device elimination of composition trying vacuum pump, Büchner funnel and Erlenmeyer flask with recirculated water is separated out;
the zinc powder removing impurity is joined in there-necked flask, starts heating and be slowly warming up to 65 DEG C, organic solvent evaporated and collects, being warming up to 95 DEG C, suction filtration 55min, the zinc powder after purifying can be obtained.
The present embodiment also provides a kind of thermal treatment process of the high tensile steel plate for gravitational goods shelves, and it is characterized in that, concrete technology is as follows:
Step (1): the steel plate forged is heated to 1290 DEG C by high-frequency quenching stove, insulation 2h, then air cooling to 730 DEG C, pass into nitrogen as shielding gas, continues 2h;
Step (2): then adopt and air-cooledly with the rate of cooling of 7 DEG C/s, steel plate is cooled to 525 DEG C, adopt water-cooled, with the rate of cooling of 5 DEG C/s, steel plate is chilled to 360 DEG C, adopt again and to be air-cooledly combined with oil cooling, first adopt and air-cooledly with the rate of cooling of 12 DEG C/s, steel plate is cooled to 250 DEG C, adopt oil cooling, with the rate of cooling of 7 DEG C/s, steel plate is chilled to room temperature;
Step (3): cleaning surface of steel plate, to its surface uniform spraying corrosion-resistant coating, thickness is after 6mm, and putting it into envrionment temperature is 65 DEG C, and keep 5h, then air cooling is to room temperature.
embodiment 3
A kind of high tensile steel plate for gravitational goods shelves that the present embodiment provides, the composition of this steel plate and mass percent are: carbon: 0.83%, manganese: 7.55%, aluminium: 0.25%, calcium: 0.13%, silicon: 0.42%, scandium: 1.24%, vanadium: 3.37%, titanium: 0.34%, copper: 7.26%, tin: 0.08%, chromium: 4.28%, molybdenum: 0.87%, nickel: 6.22%, plumbous: 0.037%, magnesium: 3.43%, praseodymium: 0.56%, lanthanum: 0.35%, neodymium: 1.23%, terbium: 0.55%, surplus is Fe and inevitable impurity;
In this steel plate, first-phase is ferrite, and second-phase is perlite, be 7.34%, 1/3 thickness is 6.48% to center second-phase percent by volume in thickness place, surface to 1/5 second-phase percent by volume, and without banded structure;
The surface spraying of steel plate has corrosion-resistant coating, and corrosion-resistant coating is according to the mass fraction;
Epoxy modified silicone resin: 59 parts, bisphenol A epoxide resin: 48 parts, Viscotrol C: 13 parts, Graphite Powder 99: 8 parts, zinc powder: 6 parts, toluene: 2 parts, GPES type defoamer: 8 parts; Bisphenol F epoxy resin: 11 parts, pearlescence: 12 parts, Trimethyllaurylammonium bromide: 8 parts, polyacrylamide: 6 parts, polyvinyl butyral acetal: 7 parts, alkylphenol polyoxyethylene: 2 parts, methacrylic acid: 4 parts, vibrin: 4 parts;
Wherein zinc powder is rear zinc powder of purifying, and the method for purification concrete operations of zinc powder are as follows:
first that organic solvent 13X type molecular sieve dehydration 3 days is for subsequent use;
zinc powder, organic solvent and catalyst trap agent to be joined in the there-necked flask of 150mm after stirring at room temperature 15min and leave standstill 1h, then the impurity that the Suction filtration device elimination of composition trying vacuum pump, Büchner funnel and Erlenmeyer flask with recirculated water is separated out;
the zinc powder removing impurity is joined in there-necked flask, starts heating and be slowly warming up to 65 DEG C, organic solvent evaporated and collects, being warming up to 95 DEG C, suction filtration 55min, the zinc powder after purifying can be obtained.
The present embodiment also provides a kind of thermal treatment process of the high tensile steel plate for gravitational goods shelves, and it is characterized in that, concrete technology is as follows:
Step (1): the steel plate forged is heated to 1285 DEG C by high-frequency quenching stove, insulation 1.8h, then air cooling to 725 DEG C, pass into nitrogen as shielding gas, continues 1h;
Step (2): then adopt and air-cooledly with the rate of cooling of 7 DEG C/s, steel plate is cooled to 525 DEG C, adopt water-cooled, with the rate of cooling of 5 DEG C/s, steel plate is chilled to 358 DEG C, adopt again and to be air-cooledly combined with oil cooling, first adopt and air-cooledly with the rate of cooling of 12 DEG C/s, steel plate is cooled to 250 DEG C, adopt oil cooling, with the rate of cooling of 7 DEG C/s, steel plate is chilled to room temperature;
Step (3): cleaning surface of steel plate, to its surface uniform spraying corrosion-resistant coating, thickness is after 5mm, and putting it into envrionment temperature is 63 DEG C, and keep 4.5h, then air cooling is to room temperature.
The performance of each embodiment steel plate is as shown in table 1.
The performance of each embodiment steel plate of table 1
| Embodiment | Tensile strength, MPa | Yield strength, MPa | Unit elongation, % | Thickness direction relative reduction in area, % | -30 DEG C of Charpy-V impact powers, J | CLR, % | CTR, % | CSR,% | SSC |
| Embodiment 1 | 415 | 323 | 31 | 59 | 214 | 0 | 0 | 0 | Flawless |
| Embodiment 2 | 422 | 295 | 35 | 58 | 227 | 0 | 0 | 0 | Flawless |
| Embodiment 3 | 420 | 330 | 34 | 60 | 228 | 0 | 0 | 0 | Flawless |
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within scope.
Claims (5)
1. the high tensile steel plate for gravitational goods shelves, it is characterized in that: the composition of this steel plate and mass percent are: carbon: 0.82-0.84%, manganese: 7.52-7.58%, aluminium: 0.24-0.26%, calcium: 0.12-0.14%, silicon: 0.41-0.43%, scandium: 1.23-1.25%, vanadium: 3.36-3.38%, titanium: 0.33-0.35%, copper: 7.23-7.27%, tin: 0.07-0.09%, chromium: 4.27-4.29%, molybdenum: 0.86-0.88%, nickel: 6.21-6.23%, plumbous: 0.036-0.038%, magnesium: 3.42-3.44%, praseodymium: 0.55-0.58%, lanthanum: 0.32-0.36%, neodymium: 1.22-1.24%, terbium: 0.54-0.56%, surplus is Fe and inevitable impurity,
In this steel plate, first-phase is ferrite, and second-phase is perlite, and at thickness place, surface to 1/5, second-phase percent by volume is 7.32-7.35%, and 1/3 thickness is 6.47-6.49% to center second-phase percent by volume, and without banded structure;
The surface spraying of described steel plate has corrosion-resistant coating, and described corrosion-resistant coating is according to the mass fraction;
Epoxy modified silicone resin: 58-68 part, bisphenol A epoxide resin: 45-56 part, Viscotrol C: 12-14 part, Graphite Powder 99: 7-9 part, zinc powder: 5-7 part, toluene: 1-3 part, GPES type defoamer: 7-9 part; Bisphenol F epoxy resin: 10-12 part, pearlescence: 11-13 part, Trimethyllaurylammonium bromide: 8-9 part, polyacrylamide: 5-7 part, polyvinyl butyral acetal: 6-8 part, alkylphenol polyoxyethylene: 1-3 part, methacrylic acid: 3-5 part, vibrin: 3-5 part;
Wherein zinc powder is rear zinc powder of purifying, and the method for purification concrete operations of zinc powder are as follows:
first that organic solvent 13X type molecular sieve dehydration 3 days is for subsequent use;
zinc powder, organic solvent and catalyst trap agent to be joined in the there-necked flask of 150mm after stirring at room temperature 15min and leave standstill 1h, then the impurity that the Suction filtration device elimination of composition trying vacuum pump, Büchner funnel and Erlenmeyer flask with recirculated water is separated out;
the zinc powder removing impurity is joined in there-necked flask, starts heating and be slowly warming up to 65 DEG C, organic solvent evaporated and collects, being warming up to 95 DEG C, suction filtration 55min, the zinc powder after purifying can be obtained.
2. the high tensile steel plate for gravitational goods shelves according to claim 1, is characterized in that: the composition of this steel plate and mass percent are: carbon: 0.82%, manganese: 7.52%, aluminium: 0.24%, calcium: 0.12%, silicon: 0.41%, scandium: 1.23%, vanadium: 3.36%, titanium: 0.33%, copper: 7.23%, tin: 0.07%, chromium: 4.27%, molybdenum: 0.86%, nickel: 6.21%, plumbous: 0.036%, magnesium: 3.42%, praseodymium: 0.55%, lanthanum: 0.32%, neodymium: 1.22%, terbium: 0.54%, surplus is Fe and inevitable impurity;
In this steel plate, first-phase is ferrite, and second-phase is perlite, be 7.32%, 1/3 thickness is 6.47% to center second-phase percent by volume in thickness place, surface to 1/5 second-phase percent by volume, and without banded structure;
The surface spraying of described steel plate has corrosion-resistant coating, and described corrosion-resistant coating is according to the mass fraction;
Epoxy modified silicone resin: 58 parts, bisphenol A epoxide resin: 45 parts, Viscotrol C: 12 parts, Graphite Powder 99: 7 parts, zinc powder: 5 parts, toluene: 1 part, GPES type defoamer: 7 parts; Bisphenol F epoxy resin: 10 parts, pearlescence: 11 parts, Trimethyllaurylammonium bromide: 8 parts, polyacrylamide: 5 parts, polyvinyl butyral acetal: 6 parts, alkylphenol polyoxyethylene: 1 part, methacrylic acid: 3 parts, vibrin: 3 parts;
Wherein zinc powder is rear zinc powder of purifying, and the method for purification concrete operations of zinc powder are as follows:
first that organic solvent 13X type molecular sieve dehydration 3 days is for subsequent use;
zinc powder, organic solvent and catalyst trap agent to be joined in the there-necked flask of 150mm after stirring at room temperature 15min and leave standstill 1h, then the impurity that the Suction filtration device elimination of composition trying vacuum pump, Büchner funnel and Erlenmeyer flask with recirculated water is separated out;
the zinc powder removing impurity is joined in there-necked flask, starts heating and be slowly warming up to 65 DEG C, organic solvent evaporated and collects, being warming up to 95 DEG C, suction filtration 55min, the zinc powder after purifying can be obtained.
3. the high tensile steel plate for gravitational goods shelves according to claim 1, is characterized in that: the composition of this steel plate and mass percent are: carbon: 0.84%, manganese: 7.58%, aluminium: 0.26%, calcium: 0.14%, silicon: 0.43%, scandium: 1.25%, vanadium: 3.38%, titanium: 0.35%, copper: 7.27%, tin: 0.09%, chromium: 4.29%, molybdenum: 0.88%, nickel: 6.23%, plumbous: 0.038%, magnesium: 3.44%, praseodymium: 0.58%, lanthanum: 0.36%, neodymium: 1.24%, terbium: 0.56%, surplus is Fe and inevitable impurity;
In this steel plate, first-phase is ferrite, and second-phase is perlite, be 7.35%, 1/3 thickness is 6.49% to center second-phase percent by volume in thickness place, surface to 1/5 second-phase percent by volume, and without banded structure;
The surface spraying of described steel plate has corrosion-resistant coating, and described corrosion-resistant coating is according to the mass fraction;
Epoxy modified silicone resin: 68 parts, bisphenol A epoxide resin: 56 parts, Viscotrol C: 14 parts, Graphite Powder 99: 9 parts, zinc powder: 7 parts, toluene: 3 parts, GPES type defoamer: 9 parts; Bisphenol F epoxy resin: 12 parts, pearlescence: 13 parts, Trimethyllaurylammonium bromide: 9 parts, polyacrylamide: 7 parts, polyvinyl butyral acetal: 8 parts, alkylphenol polyoxyethylene: 3 parts, methacrylic acid: 5 parts, vibrin: 5 parts;
Wherein zinc powder is rear zinc powder of purifying, and the method for purification concrete operations of zinc powder are as follows:
first that organic solvent 13X type molecular sieve dehydration 3 days is for subsequent use;
zinc powder, organic solvent and catalyst trap agent to be joined in the there-necked flask of 150mm after stirring at room temperature 15min and leave standstill 1h, then the impurity that the Suction filtration device elimination of composition trying vacuum pump, Büchner funnel and Erlenmeyer flask with recirculated water is separated out;
the zinc powder removing impurity is joined in there-necked flask, starts heating and be slowly warming up to 65 DEG C, organic solvent evaporated and collects, being warming up to 95 DEG C, suction filtration 55min, the zinc powder after purifying can be obtained.
4. the high tensile steel plate for gravitational goods shelves according to claim 1, is characterized in that: the composition of this steel plate and mass percent are: carbon: 0.83%, manganese: 7.55%, aluminium: 0.25%, calcium: 0.13%, silicon: 0.42%, scandium: 1.24%, vanadium: 3.37%, titanium: 0.34%, copper: 7.26%, tin: 0.08%, chromium: 4.28%, molybdenum: 0.87%, nickel: 6.22%, plumbous: 0.037%, magnesium: 3.43%, praseodymium: 0.56%, lanthanum: 0.35%, neodymium: 1.23%, terbium: 0.55%, surplus is Fe and inevitable impurity;
In this steel plate, first-phase is ferrite, and second-phase is perlite, be 7.34%, 1/3 thickness is 6.48% to center second-phase percent by volume in thickness place, surface to 1/5 second-phase percent by volume, and without banded structure;
The surface spraying of described steel plate has corrosion-resistant coating, and described corrosion-resistant coating is according to the mass fraction;
Epoxy modified silicone resin: 59 parts, bisphenol A epoxide resin: 48 parts, Viscotrol C: 13 parts, Graphite Powder 99: 8 parts, zinc powder: 6 parts, toluene: 2 parts, GPES type defoamer: 8 parts; Bisphenol F epoxy resin: 11 parts, pearlescence: 12 parts, Trimethyllaurylammonium bromide: 8 parts, polyacrylamide: 6 parts, polyvinyl butyral acetal: 7 parts, alkylphenol polyoxyethylene: 2 parts, methacrylic acid: 4 parts, vibrin: 4 parts;
Wherein zinc powder is rear zinc powder of purifying, and the method for purification concrete operations of zinc powder are as follows:
first that organic solvent 13X type molecular sieve dehydration 3 days is for subsequent use;
zinc powder, organic solvent and catalyst trap agent to be joined in the there-necked flask of 150mm after stirring at room temperature 15min and leave standstill 1h, then the impurity that the Suction filtration device elimination of composition trying vacuum pump, Büchner funnel and Erlenmeyer flask with recirculated water is separated out;
the zinc powder removing impurity is joined in there-necked flask, starts heating and be slowly warming up to 65 DEG C, organic solvent evaporated and collects, being warming up to 95 DEG C, suction filtration 55min, the zinc powder after purifying can be obtained.
5. for a thermal treatment process for the high tensile steel plate of gravitational goods shelves, it is characterized in that, concrete technology is as follows:
Step (1): the steel plate forged is heated to 1280-1290 DEG C by high-frequency quenching stove, insulation 1-2h, then air cooling is to 720-730 DEG C, passes into nitrogen as shielding gas, continues 1-2h;
Step (2): then adopt and air-cooledly with the rate of cooling of 7 DEG C/s, steel plate is cooled to 525 DEG C, adopt water-cooled, with the rate of cooling of 5 DEG C/s, steel plate is chilled to 350-360 DEG C, adopt again and to be air-cooledly combined with oil cooling, first adopt and air-cooledly with the rate of cooling of 12 DEG C/s, steel plate is cooled to 250 DEG C, adopt oil cooling, with the rate of cooling of 7 DEG C/s, steel plate is chilled to room temperature;
Step (3): cleaning surface of steel plate, to its surface uniform spraying corrosion-resistant coating, thickness is after 4-6mm, and putting it into envrionment temperature is 62-65 DEG C, and keep 4-5h, then air cooling is to room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510123418.6A CN104694853A (en) | 2015-03-20 | 2015-03-20 | High-strength steel plate for gravity type goods shelves and heat processing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510123418.6A CN104694853A (en) | 2015-03-20 | 2015-03-20 | High-strength steel plate for gravity type goods shelves and heat processing process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104694853A true CN104694853A (en) | 2015-06-10 |
Family
ID=53342392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510123418.6A Pending CN104694853A (en) | 2015-03-20 | 2015-03-20 | High-strength steel plate for gravity type goods shelves and heat processing process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104694853A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1488774A (en) * | 2002-07-01 | 2004-04-14 | 杰富意钢铁株式会社 | Structure of iron-chromium alloy having excellent corrosion resistance and adhesion and manufacturing method |
| CN101691640A (en) * | 2009-09-01 | 2010-04-07 | 东北大学 | High strength low alloy wear resistance steel plate and preparation method thereof |
| CN102851609A (en) * | 2012-05-23 | 2013-01-02 | 江阴市恒润重工股份有限公司 | Material used in offshore wind power equipment, and workpiece manufacturing process |
| CN102912255A (en) * | 2012-10-23 | 2013-02-06 | 神华集团有限责任公司 | Wear-resisting cast steel and preparation method thereof |
| CN103952646A (en) * | 2014-05-05 | 2014-07-30 | 莱芜钢铁集团有限公司 | Low-temperature resistant low-alloy structural steel and preparation method thereof |
-
2015
- 2015-03-20 CN CN201510123418.6A patent/CN104694853A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1488774A (en) * | 2002-07-01 | 2004-04-14 | 杰富意钢铁株式会社 | Structure of iron-chromium alloy having excellent corrosion resistance and adhesion and manufacturing method |
| CN101691640A (en) * | 2009-09-01 | 2010-04-07 | 东北大学 | High strength low alloy wear resistance steel plate and preparation method thereof |
| CN102851609A (en) * | 2012-05-23 | 2013-01-02 | 江阴市恒润重工股份有限公司 | Material used in offshore wind power equipment, and workpiece manufacturing process |
| CN102912255A (en) * | 2012-10-23 | 2013-02-06 | 神华集团有限责任公司 | Wear-resisting cast steel and preparation method thereof |
| CN103952646A (en) * | 2014-05-05 | 2014-07-30 | 莱芜钢铁集团有限公司 | Low-temperature resistant low-alloy structural steel and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104694852A (en) | High-strength steel plate for light goods shelves and forging process thereof | |
| CN104726793A (en) | High-strength steel sheet for rolling rack and heat treatment technology of high-strength steel sheet | |
| CN102321858A (en) | Heat treatment process for Al-Zn-Mg-Cu high strength aluminum alloy | |
| CN104878378A (en) | High temperature-resistant coating for metal surfaces and preparation method of coating | |
| CN109576572B (en) | Ultrahigh-strength steel bar and production method thereof | |
| CN101063189A (en) | Hot-rolled fine-grained steel for electrostatic enamel and manufacturing method thereof | |
| CN115927968B (en) | 400 MPa-level coating-free hot rolled wire rod, round bar and rolling process thereof | |
| CN104694854A (en) | High-strength steel plate for cantilever type goods shelves and heat processing process thereof | |
| CN104988417A (en) | Corrosion-resistant structure steel plate for bridge with yield strength being 485MPa and production method thereof | |
| CN108728728A (en) | High manganese steel with extremely low yield ratio and manufacturing method thereof | |
| CN105296862A (en) | High-strength antiseptic steel plate for shuttle car shelf and machining process thereof | |
| CN110284029B (en) | Aluminum alloy for main frame structure of transmission tower and preparation method thereof | |
| CN104674137A (en) | High-strength steel plate for retreat-type storage rack and thermal treatment process of high-strength steel plate | |
| CN104789890A (en) | High-strength steel sheet with zinc-nickel alloy coating and heat treatment process of high-strength steel sheet | |
| CN107974626A (en) | A kind of aviation high intensity parts are without cobalt green wood preparation method for material | |
| CN102409266B (en) | Acid corrosion resistant steel with excellent low-temperature toughness and manufacturing method thereof | |
| CN109811212B (en) | High-performance aluminum alloy and preparation method thereof | |
| CN104694853A (en) | High-strength steel plate for gravity type goods shelves and heat processing process thereof | |
| CN104789903A (en) | High strength steel sheet for heavy cross beam storage rack and heat treatment technology of high strength steel sheet | |
| CN107779705B (en) | A kind of aluminium lithium alloy and milling method | |
| CN104846296A (en) | High-strength steel plate having nickel-chromium alloy coating and heat treatment technology thereof | |
| CN104789902A (en) | High-strength steel plate for steel platform and forging technology thereof | |
| CN110972538B (en) | Composite effect low-density rolled homogeneous armor steel material and manufacturing method thereof | |
| CN104789888A (en) | High strength steel sheet for middle-sized storage rack and forging technology of high strength steel sheet | |
| CN117127124B (en) | High-temperature and low-temperature resistant austenitic stainless steel and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150610 |