RU2006133351A - TUBING OF MEDIUM-CARBON-MEDIUM-ALLOY STEEL - Google Patents
TUBING OF MEDIUM-CARBON-MEDIUM-ALLOY STEEL Download PDFInfo
- Publication number
- RU2006133351A RU2006133351A RU2006133351/02A RU2006133351A RU2006133351A RU 2006133351 A RU2006133351 A RU 2006133351A RU 2006133351/02 A RU2006133351/02 A RU 2006133351/02A RU 2006133351 A RU2006133351 A RU 2006133351A RU 2006133351 A RU2006133351 A RU 2006133351A
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- RU
- Russia
- Prior art keywords
- less
- point
- points
- silicates
- medium
- Prior art date
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- 229910000831 Steel Inorganic materials 0.000 claims abstract 6
- 150000004760 silicates Chemical class 0.000 claims abstract 6
- 239000010959 steel Substances 0.000 claims abstract 6
- 238000005204 segregation Methods 0.000 claims abstract 4
- 229910052799 carbon Inorganic materials 0.000 claims abstract 3
- 239000012535 impurity Substances 0.000 claims abstract 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract 2
- 229910052802 copper Inorganic materials 0.000 claims abstract 2
- 239000010949 copper Substances 0.000 claims abstract 2
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract 2
- 239000011574 phosphorus Substances 0.000 claims abstract 2
- 229910052717 sulfur Inorganic materials 0.000 claims abstract 2
- 239000011593 sulfur Substances 0.000 claims abstract 2
- 150000003568 thioethers Chemical class 0.000 claims abstract 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 3
- 239000011572 manganese Substances 0.000 claims 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 1
- 229910052785 arsenic Inorganic materials 0.000 claims 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 229910052748 manganese Inorganic materials 0.000 claims 1
- 229910052750 molybdenum Inorganic materials 0.000 claims 1
- 239000011733 molybdenum Substances 0.000 claims 1
- 229910052759 nickel Inorganic materials 0.000 claims 1
- 229910052757 nitrogen Inorganic materials 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 claims 1
- 239000011701 zinc Substances 0.000 claims 1
Landscapes
- Heat Treatment Of Steel (AREA)
Abstract
1. Трубная заготовка из среднеуглеродистой среднелегированной стали, имеющая заданные параметры структуры и механических свойств, отличающаяся тем, что заготовка выполнена из стали, содержащей следующие соотношения компонентов, мас.%:при выполнении соотношений: (As+Sn+Pb+5·Zn)≤0,07; 0,85≤(С+Mn/6+Cr/5+Мо)≤1,05, горячекатаная, нормализованная, имеет ферритоперлитную структуру, размер действительного зерна 5-10 баллов, макроструктуру: центральная пористость, точечная неоднородность, ликвационный квадрат, подусадочная ликвация не более 2,0 баллов; ликвационные полоски не более 1 балла, неметаллические включения: сульфиды точечные, оксиды точечные, оксиды строчечные, силикаты хрупкие, силикаты пластичные, силикаты недеформированные не более 3,0 баллов, средний по каждому виду включений, механические свойства в нормализованном состоянии - временное сопротивление разрыву не менее 686 Н/мм, предел текучести не менее 441 Н/мм, относительное удлинение не менее 12%, ударная вязкость KCV (+20°С) не менее 39,2 Дж/см, твердость НВ 217-255.2. Трубная заготовка по п.1, отличающаяся тем, что в качестве примесей сталь дополнительно содержит: фосфор не более 0,020, сера не более 0,012, медь не более 0,20.1. A pipe billet of medium-carbon medium alloyed steel having predetermined parameters of the structure and mechanical properties, characterized in that the billet is made of steel containing the following component ratios, wt.%: When the ratios are satisfied: (As + Sn + Pb + 5 · Zn) ≤0.07; 0.85≤ (C + Mn / 6 + Cr / 5 + Mo) ≤1.05, hot-rolled, normalized, has a ferritic perlite structure, actual grain size is 5-10 points, macrostructure: central porosity, point heterogeneity, segregation square, shrink seizure no more than 2.0 points; segregation strips no more than 1 point, non-metallic inclusions: point sulphides, point oxides, line oxides, brittle silicates, plastic silicates, undeformed silicates not more than 3.0 points, average for each type of inclusions, mechanical properties in a normalized state - temporary tensile strength not less than 686 N / mm, yield strength not less than 441 N / mm, elongation not less than 12%, impact strength KCV (+ 20 ° С) not less than 39.2 J / cm, hardness HB 217-255.2. The pipe billet according to claim 1, characterized in that the steel further comprises as impurities: phosphorus not more than 0.020, sulfur not more than 0.012, copper not more than 0.20.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2006133351/02A RU2336335C2 (en) | 2006-09-19 | 2006-09-19 | Tube stock out of medium carbon medium alloyed steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2006133351/02A RU2336335C2 (en) | 2006-09-19 | 2006-09-19 | Tube stock out of medium carbon medium alloyed steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2006133351A true RU2006133351A (en) | 2008-03-27 |
| RU2336335C2 RU2336335C2 (en) | 2008-10-20 |
Family
ID=40041400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2006133351/02A RU2336335C2 (en) | 2006-09-19 | 2006-09-19 | Tube stock out of medium carbon medium alloyed steel |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2336335C2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422027A (en) * | 2013-08-29 | 2013-12-04 | 南京钢铁股份有限公司 | Economical low yield point steel and production method thereof |
| CN115233089A (en) * | 2022-05-16 | 2022-10-25 | 季华实验室 | A kind of special steel for flexible wheel and its preparation process |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1397538A1 (en) * | 1986-12-23 | 1988-06-15 | Институт проблем литья АН УССР | Steel |
| SU1647027A1 (en) * | 1988-02-25 | 1991-05-07 | Грузинский политехнический институт | Method for production of low- and medium-carbon pipe steel |
| RU2180691C1 (en) * | 2000-09-04 | 2002-03-20 | Акционерное общество закрытого типа Научно-производственное объединение "Полиметалл" | Pipe for gas and oil product lines and method of its manufacture |
| RU2223342C1 (en) * | 2002-06-04 | 2004-02-10 | ООО "Сорби стил" | Steel |
| RU2243284C2 (en) * | 2002-12-02 | 2004-12-27 | Открытое акционерное общество "Волжский трубный завод" | Steel excellent in resistance to corrosion and seamless casing made therefrom |
| RU2251587C2 (en) * | 2003-06-30 | 2005-05-10 | ООО "Уральская сталь" | Structural steel |
| RU2262549C1 (en) * | 2004-06-29 | 2005-10-20 | Открытое акционерное общество "Оскольский электрометаллургический комбинат" | Medium-carbon steel with elevated cutting ability |
-
2006
- 2006-09-19 RU RU2006133351/02A patent/RU2336335C2/en active IP Right Revival
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422027A (en) * | 2013-08-29 | 2013-12-04 | 南京钢铁股份有限公司 | Economical low yield point steel and production method thereof |
| CN103422027B (en) * | 2013-08-29 | 2015-11-25 | 南京钢铁股份有限公司 | A kind of Economical low yield point steel and production method thereof |
| CN115233089A (en) * | 2022-05-16 | 2022-10-25 | 季华实验室 | A kind of special steel for flexible wheel and its preparation process |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2336335C2 (en) | 2008-10-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20120920 |
|
| NF4A | Reinstatement of patent |
Effective date: 20131010 |