NL8820690A - Werkwijze voor de bereiding van staal voor algemene doeleinden. - Google Patents

Werkwijze voor de bereiding van staal voor algemene doeleinden. Download PDF

Info

Publication number: NL8820690A
Authority: NL; Netherlands
Prior art keywords: steel; manganese; carbon; product; aluminum
Prior art date: 1988-07-26

Application number

NL8820690A

Other languages

English (en)

Dutch (nl)

Original Assignee

Do Politekh Inst

Priority date (The priority date 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 date listed.)

1988-07-26

Filing date

1988-07-26

Publication date

1990-06-01

1988-07-26 Application filed by Do Politekh Inst filed Critical Do Politekh Inst

1990-06-01 Publication of NL8820690A publication Critical patent/NL8820690A/nl

Links

238000000034 method Methods 0.000 title claims description 108
229910000831 Steel Inorganic materials 0.000 claims description 292
239000010959 steel Substances 0.000 claims description 292
239000000463 material Substances 0.000 claims description 209
239000011572 manganese Substances 0.000 claims description 163
229910052799 carbon Inorganic materials 0.000 claims description 154
229910052748 manganese Inorganic materials 0.000 claims description 153
PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 150
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 148
239000000047 product Substances 0.000 claims description 127
229910052782 aluminium Inorganic materials 0.000 claims description 93
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 93
238000005275 alloying Methods 0.000 claims description 81
239000003638 chemical reducing agent Substances 0.000 claims description 79
239000000203 mixture Substances 0.000 claims description 72
230000008569 process Effects 0.000 claims description 55
238000004519 manufacturing process Methods 0.000 claims description 49
238000002360 preparation method Methods 0.000 claims description 41
238000010079 rubber tapping Methods 0.000 claims description 39
239000011265 semifinished product Substances 0.000 claims description 28
238000009628 steelmaking Methods 0.000 claims description 19
239000000155 melt Substances 0.000 claims description 12
230000007935 neutral effect Effects 0.000 claims description 4
229910052751 metal Inorganic materials 0.000 description 74
239000002184 metal Substances 0.000 description 74
239000001301 oxygen Substances 0.000 description 53
229910052760 oxygen Inorganic materials 0.000 description 53
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 51
239000002893 slag Substances 0.000 description 51
239000000126 substance Substances 0.000 description 48
238000006722 reduction reaction Methods 0.000 description 37
230000009467 reduction Effects 0.000 description 35
238000000605 extraction Methods 0.000 description 34
238000002844 melting Methods 0.000 description 30
230000008018 melting Effects 0.000 description 30
229910001021 Ferroalloy Inorganic materials 0.000 description 22
238000005266 casting Methods 0.000 description 22
230000003647 oxidation Effects 0.000 description 21
238000007254 oxidation reaction Methods 0.000 description 21
239000007789 gas Substances 0.000 description 17
229910000838 Al alloy Inorganic materials 0.000 description 16
230000007423 decrease Effects 0.000 description 16
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 15
238000006243 chemical reaction Methods 0.000 description 15
230000007547 defect Effects 0.000 description 14
238000010438 heat treatment Methods 0.000 description 14
238000011946 reduction process Methods 0.000 description 14
229910052710 silicon Inorganic materials 0.000 description 14
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 13
239000010703 silicon Substances 0.000 description 13
230000015572 biosynthetic process Effects 0.000 description 12
229910052720 vanadium Inorganic materials 0.000 description 12
LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 12
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 11
229910045601 alloy Inorganic materials 0.000 description 11
239000000956 alloy Substances 0.000 description 11
238000011109 contamination Methods 0.000 description 11
229910001338 liquidmetal Inorganic materials 0.000 description 11
239000010936 titanium Substances 0.000 description 11
229910052719 titanium Inorganic materials 0.000 description 11
XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 10
235000008733 Citrus aurantifolia Nutrition 0.000 description 10
235000011941 Tilia x europaea Nutrition 0.000 description 10
239000011651 chromium Substances 0.000 description 10
239000004571 lime Substances 0.000 description 10
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 9
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 description 9
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 8
239000011575 calcium Substances 0.000 description 8
229910052791 calcium Inorganic materials 0.000 description 8
WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 8
229910052804 chromium Inorganic materials 0.000 description 8
239000010436 fluorite Substances 0.000 description 8
238000005187 foaming Methods 0.000 description 7
229910052742 iron Inorganic materials 0.000 description 7
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
238000007669 thermal treatment Methods 0.000 description 6
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 5
229910052786 argon Inorganic materials 0.000 description 5
230000001914 calming effect Effects 0.000 description 5
239000000969 carrier Substances 0.000 description 5
238000002485 combustion reaction Methods 0.000 description 5
230000000694 effects Effects 0.000 description 5
239000001257 hydrogen Substances 0.000 description 5
229910052739 hydrogen Inorganic materials 0.000 description 5
238000003756 stirring Methods 0.000 description 5
229910000851 Alloy steel Inorganic materials 0.000 description 4
229910001018 Cast iron Inorganic materials 0.000 description 4
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
206010039897 Sedation Diseases 0.000 description 4
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
239000000654 additive Substances 0.000 description 4
238000007664 blowing Methods 0.000 description 4
239000003575 carbonaceous material Substances 0.000 description 4
239000003795 chemical substances by application Substances 0.000 description 4
239000004927 clay Substances 0.000 description 4
238000000354 decomposition reaction Methods 0.000 description 4
238000009826 distribution Methods 0.000 description 4
239000011777 magnesium Substances 0.000 description 4
229910052749 magnesium Inorganic materials 0.000 description 4
-1 manganese silicates Chemical class 0.000 description 4
229910052757 nitrogen Inorganic materials 0.000 description 4
229910052698 phosphorus Inorganic materials 0.000 description 4
239000011574 phosphorus Substances 0.000 description 4
238000007670 refining Methods 0.000 description 4
230000036280 sedation Effects 0.000 description 4
229910052717 sulfur Inorganic materials 0.000 description 4
239000011593 sulfur Substances 0.000 description 4
229910017344 Fe2 O3 Inorganic materials 0.000 description 3
239000002253 acid Substances 0.000 description 3
230000000996 additive effect Effects 0.000 description 3
150000004649 carbonic acid derivatives Chemical class 0.000 description 3
150000001875 compounds Chemical class 0.000 description 3
230000006866 deterioration Effects 0.000 description 3
238000005516 engineering process Methods 0.000 description 3
239000000945 filler Substances 0.000 description 3
230000003993 interaction Effects 0.000 description 3
UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 3
239000007788 liquid Substances 0.000 description 3
AMWRITDGCCNYAT-UHFFFAOYSA-L manganese oxide Inorganic materials [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 3
238000001465 metallisation Methods 0.000 description 3
150000002739 metals Chemical class 0.000 description 3
238000003825 pressing Methods 0.000 description 3
238000010791 quenching Methods 0.000 description 3
230000000171 quenching effect Effects 0.000 description 3
229910052761 rare earth metal Inorganic materials 0.000 description 3
150000002910 rare earth metals Chemical class 0.000 description 3
235000012239 silicon dioxide Nutrition 0.000 description 3
239000000377 silicon dioxide Substances 0.000 description 3
239000007787 solid Substances 0.000 description 3
PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical class [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
229910000599 Cr alloy Inorganic materials 0.000 description 2
CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
229910004298 SiO 2 Inorganic materials 0.000 description 2
238000010521 absorption reaction Methods 0.000 description 2
230000002411 adverse Effects 0.000 description 2
230000005587 bubbling Effects 0.000 description 2
125000005587 carbonate group Chemical group 0.000 description 2
239000000788 chromium alloy Substances 0.000 description 2
229910052681 coesite Inorganic materials 0.000 description 2
238000009749 continuous casting Methods 0.000 description 2
229910052906 cristobalite Inorganic materials 0.000 description 2
238000002425 crystallisation Methods 0.000 description 2
230000008025 crystallization Effects 0.000 description 2
238000010891 electric arc Methods 0.000 description 2
238000011049 filling Methods 0.000 description 2
239000012535 impurity Substances 0.000 description 2
239000011261 inert gas Substances 0.000 description 2
TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
MQMHJMFHCMWGNS-UHFFFAOYSA-N phosphanylidynemanganese Chemical compound [Mn]#P MQMHJMFHCMWGNS-UHFFFAOYSA-N 0.000 description 2
239000004033 plastic Substances 0.000 description 2
238000005096 rolling process Methods 0.000 description 2
229910052682 stishovite Inorganic materials 0.000 description 2
229910052905 tridymite Inorganic materials 0.000 description 2
229910018404 Al2 O3 Inorganic materials 0.000 description 1
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
244000007645 Citrus mitis Species 0.000 description 1
229910019830 Cr2 O3 Inorganic materials 0.000 description 1
229910001341 Crude steel Inorganic materials 0.000 description 1
241000196324 Embryophyta Species 0.000 description 1
229910000616 Ferromanganese Inorganic materials 0.000 description 1
229910000519 Ferrosilicon Inorganic materials 0.000 description 1
229910001209 Low-carbon steel Inorganic materials 0.000 description 1
244000141359 Malus pumila Species 0.000 description 1
229910000617 Mangalloy Inorganic materials 0.000 description 1
101100513612 Microdochium nivale MnCO gene Proteins 0.000 description 1
229910000914 Mn alloy Inorganic materials 0.000 description 1
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
229910000805 Pig iron Inorganic materials 0.000 description 1
CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
HDWRPIXRVRDTQW-UHFFFAOYSA-N aluminan-2-one Chemical compound O=C1CCCC[AlH]1 HDWRPIXRVRDTQW-UHFFFAOYSA-N 0.000 description 1
235000021016 apples Nutrition 0.000 description 1
238000003339 best practice Methods 0.000 description 1
229910002092 carbon dioxide Inorganic materials 0.000 description 1
229910002091 carbon monoxide Inorganic materials 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
238000000576 coating method Methods 0.000 description 1
229910017052 cobalt Inorganic materials 0.000 description 1
239000010941 cobalt Substances 0.000 description 1
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
230000006378 damage Effects 0.000 description 1
230000000593 degrading effect Effects 0.000 description 1
230000002542 deteriorative effect Effects 0.000 description 1
238000009792 diffusion process Methods 0.000 description 1
238000010790 dilution Methods 0.000 description 1
239000012895 dilution Substances 0.000 description 1
ASTZLJPZXLHCSM-UHFFFAOYSA-N dioxido(oxo)silane;manganese(2+) Chemical compound [Mn+2].[O-][Si]([O-])=O ASTZLJPZXLHCSM-UHFFFAOYSA-N 0.000 description 1
238000010494 dissociation reaction Methods 0.000 description 1
230000005593 dissociations Effects 0.000 description 1
239000010459 dolomite Substances 0.000 description 1
229910000514 dolomite Inorganic materials 0.000 description 1
239000000428 dust Substances 0.000 description 1
230000008030 elimination Effects 0.000 description 1
238000003379 elimination reaction Methods 0.000 description 1
238000011156 evaluation Methods 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
239000006260 foam Substances 0.000 description 1
JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
230000006872 improvement Effects 0.000 description 1
229910052500 inorganic mineral Inorganic materials 0.000 description 1
DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 description 1
235000013980 iron oxide Nutrition 0.000 description 1
VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
230000001788 irregular Effects 0.000 description 1
238000003754 machining Methods 0.000 description 1
NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Inorganic materials O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 1
MECMQNITHCOSAF-UHFFFAOYSA-N manganese titanium Chemical compound [Ti].[Mn] MECMQNITHCOSAF-UHFFFAOYSA-N 0.000 description 1
ZWXOQTHCXRZUJP-UHFFFAOYSA-N manganese(2+);manganese(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Mn+2].[Mn+3].[Mn+3] ZWXOQTHCXRZUJP-UHFFFAOYSA-N 0.000 description 1
PPNAOCWZXJOHFK-UHFFFAOYSA-N manganese(2+);oxygen(2-) Chemical class [O-2].[Mn+2] PPNAOCWZXJOHFK-UHFFFAOYSA-N 0.000 description 1
238000010309 melting process Methods 0.000 description 1
239000007769 metal material Substances 0.000 description 1
238000005272 metallurgy Methods 0.000 description 1
239000011707 mineral Substances 0.000 description 1
229910052750 molybdenum Inorganic materials 0.000 description 1
239000011733 molybdenum Substances 0.000 description 1
229910052758 niobium Inorganic materials 0.000 description 1
239000010955 niobium Substances 0.000 description 1
GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
150000004767 nitrides Chemical class 0.000 description 1
230000033116 oxidation-reduction process Effects 0.000 description 1
238000002203 pretreatment Methods 0.000 description 1
238000009853 pyrometallurgy Methods 0.000 description 1
239000000376 reactant Substances 0.000 description 1
229910052883 rhodonite Inorganic materials 0.000 description 1
150000004760 silicates Chemical class 0.000 description 1
230000000087 stabilizing effect Effects 0.000 description 1
239000007858 starting material Substances 0.000 description 1
150000004763 sulfides Chemical class 0.000 description 1
229910052841 tephroite Inorganic materials 0.000 description 1
OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
GFNGCDBZVSLSFT-UHFFFAOYSA-N titanium vanadium Chemical compound [Ti].[V] GFNGCDBZVSLSFT-UHFFFAOYSA-N 0.000 description 1
230000007704 transition Effects 0.000 description 1
XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 1
238000009489 vacuum treatment Methods 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/005—Manufacture of stainless steel
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0068—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by introducing material into a current of streaming metal
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C2007/0093—Duplex process; Two stage processes
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Manufacturing & Machinery (AREA)
Multimedia (AREA)
Treatment Of Steel In Its Molten State (AREA)
Furnace Details (AREA)

NL8820690A 1988-07-26 1988-07-26 Werkwijze voor de bereiding van staal voor algemene doeleinden. NL8820690A (nl)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
SU8800146		1988-07-26
PCT/SU1988/000146 WO1990001071A1 (fr)	1988-07-26	1988-07-26	Procede de production d'acier d'usage general

Publications (1)

Publication Number	Publication Date
NL8820690A true NL8820690A (nl)	1990-06-01

Family

ID=21617278

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL8820690A NL8820690A (nl)	1988-07-26	1988-07-26	Werkwijze voor de bereiding van staal voor algemene doeleinden.

Country Status (6)

Country	Link
US (1)	US5085691A (ru)
JP (1)	JPH03502361A (ru)
BE (1)	BE1001546A3 (ru)
DE (1)	DE3891362T1 (ru)
NL (1)	NL8820690A (ru)
WO (1)	WO1990001071A1 (ru)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5397379A (en) *	1993-09-22	1995-03-14	Oglebay Norton Company	Process and additive for the ladle refining of steel
US6179895B1 (en)	1996-12-11	2001-01-30	Performix Technologies, Ltd.	Basic tundish flux composition for steelmaking processes
RU2151805C1 (ru) *	1999-04-26	2000-06-27	Открытое акционерное общество "Северсталь"	Способ обработки кипящей стали в ковше
RU2200198C2 (ru) *	2001-03-22	2003-03-10	Открытое акционерное общество "Нижнетагильский металлургический комбинат"	Способ получения подшипниковой стали
US6350295B1 (en)	2001-06-22	2002-02-26	Clayton A. Bulan, Jr.	Method for densifying aluminum and iron briquettes and adding to steel
RU2202628C2 (ru) *	2001-06-28	2003-04-20	Открытое акционерное общество "Новолипецкий металлургический комбинат"	Способ раскисления и легирования стали
CN102808062B (zh) *	2012-07-19	2014-03-05	中国科学院金属研究所	一种通过钢水纯净化控制钢锭a偏析的方法
WO2023093112A1 (zh) *	2021-11-29	2023-06-01	东北大学	一种高Cr-Si合金化热成形钢的冶炼和连铸方法
CN118853989B (zh) *	2024-06-28	2025-10-21	马鞍山钢铁股份有限公司	一种转炉单渣冶炼低磷钢的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3198624A (en) *	1961-08-24	1965-08-03	Interlake Steel Corp	Process for the manufacture of stainless steel
FR2297915A1 (fr) *	1975-01-17	1976-08-13	Do Nii Chernoj Metallurgii	Procede d'affinage de metaux
US4238227A (en) *	1979-06-27	1980-12-09	United States Steel Corporation	Cleansing of steel by gas rinsing
SU969750A1 (ru) *	1981-01-05	1982-10-30	Коммунарский горно-металлургический институт	Способ производства стали
US4741772A (en) *	1984-05-08	1988-05-03	China Steel Corporation	Si contained ferroalloy addition as a weak pre-deoxidation process in steelmaking
SU1298250A1 (ru) *	1985-11-22	1987-03-23	Череповецкий Металлургический Комбинат Им.50-Летия Ссср	Способ раскислени низкоуглеродистой стали
SU1341214A1 (ru) *	1986-02-11	1987-09-30	Уральский научно-исследовательский институт черных металлов	Способ раскислени стали алюминием

1988
- 1988-07-26 DE DE883891362T patent/DE3891362T1/de not_active Withdrawn
- 1988-07-26 NL NL8820690A patent/NL8820690A/nl not_active Application Discontinuation
- 1988-07-26 US US07/459,742 patent/US5085691A/en not_active Expired - Fee Related
- 1988-07-26 JP JP63507670A patent/JPH03502361A/ja active Pending
- 1988-07-26 WO PCT/SU1988/000146 patent/WO1990001071A1/ru not_active Ceased
- 1988-10-05 BE BE8801145A patent/BE1001546A3/fr not_active IP Right Cessation

Also Published As

Publication number	Publication date
WO1990001071A1 (fr)	1990-02-08
US5085691A (en)	1992-02-04
BE1001546A3 (fr)	1989-11-28
DE3891362T1 (de)	1990-07-19
JPH03502361A (ja)	1991-05-30

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1993-03-01	BV	The patent application has lapsed