CN112210649B - 一种高强钢屈强比的柔性化控制方法 - Google Patents
一种高强钢屈强比的柔性化控制方法 Download PDFInfo
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- CN112210649B CN112210649B CN202011024028.0A CN202011024028A CN112210649B CN 112210649 B CN112210649 B CN 112210649B CN 202011024028 A CN202011024028 A CN 202011024028A CN 112210649 B CN112210649 B CN 112210649B
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- 239000010959 steel Substances 0.000 title claims abstract description 96
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 95
- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000001816 cooling Methods 0.000 claims abstract description 163
- 238000005096 rolling process Methods 0.000 claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims description 32
- 238000005266 casting Methods 0.000 claims description 23
- 239000000126 substance Substances 0.000 claims description 10
- 229910052796 boron Inorganic materials 0.000 claims description 7
- 229910052804 chromium Inorganic materials 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 3
- 230000000977 initiatory effect Effects 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 23
- 229910001563 bainite Inorganic materials 0.000 abstract description 22
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000009628 steelmaking Methods 0.000 abstract description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 8
- 230000009466 transformation Effects 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 231100000817 safety factor Toxicity 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
- C21D11/005—Process control or regulation for heat treatments for cooling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
Description
Claims (10)
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CN202011024028.0A CN112210649B (zh) | 2020-09-25 | 2020-09-25 | 一种高强钢屈强比的柔性化控制方法 |
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CN202011024028.0A CN112210649B (zh) | 2020-09-25 | 2020-09-25 | 一种高强钢屈强比的柔性化控制方法 |
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CN112210649A CN112210649A (zh) | 2021-01-12 |
CN112210649B true CN112210649B (zh) | 2022-06-28 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113106333B (zh) * | 2021-03-10 | 2022-11-04 | 邯郸钢铁集团有限责任公司 | 一种屈服强度800Mpa低成本高强钢及其生产方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05179396A (ja) * | 1991-12-27 | 1993-07-20 | Kawasaki Steel Corp | 低降伏比高強度熱延鋼板およびその製造方法 |
JP2005023423A (ja) * | 2003-06-12 | 2005-01-27 | Jfe Steel Kk | 低降伏比高強度高靱性鋼板の製造方法 |
CN102433507A (zh) * | 2012-01-16 | 2012-05-02 | 江苏省沙钢钢铁研究院有限公司 | 低屈强比易焊接高强钢板及其制备工艺 |
CN104195429A (zh) * | 2014-05-30 | 2014-12-10 | 秦皇岛首秦金属材料有限公司 | 低屈强比低裂纹敏感性q550cf调质钢及生产方法 |
CN104711490A (zh) * | 2015-01-16 | 2015-06-17 | 东北大学 | 一种低屈强比高性能桥梁钢及其制造方法 |
CN106521330A (zh) * | 2016-10-12 | 2017-03-22 | 河钢股份有限公司邯郸分公司 | 一种低屈强比q550d低合金高强结构钢及其生产方法 |
CN110331343A (zh) * | 2019-06-22 | 2019-10-15 | 江阴兴澄特种钢铁有限公司 | 一种低屈强比x80mo海底管线用钢板及其制造方法 |
-
2020
- 2020-09-25 CN CN202011024028.0A patent/CN112210649B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05179396A (ja) * | 1991-12-27 | 1993-07-20 | Kawasaki Steel Corp | 低降伏比高強度熱延鋼板およびその製造方法 |
JP2005023423A (ja) * | 2003-06-12 | 2005-01-27 | Jfe Steel Kk | 低降伏比高強度高靱性鋼板の製造方法 |
CN102433507A (zh) * | 2012-01-16 | 2012-05-02 | 江苏省沙钢钢铁研究院有限公司 | 低屈强比易焊接高强钢板及其制备工艺 |
CN104195429A (zh) * | 2014-05-30 | 2014-12-10 | 秦皇岛首秦金属材料有限公司 | 低屈强比低裂纹敏感性q550cf调质钢及生产方法 |
CN104711490A (zh) * | 2015-01-16 | 2015-06-17 | 东北大学 | 一种低屈强比高性能桥梁钢及其制造方法 |
CN106521330A (zh) * | 2016-10-12 | 2017-03-22 | 河钢股份有限公司邯郸分公司 | 一种低屈强比q550d低合金高强结构钢及其生产方法 |
CN110331343A (zh) * | 2019-06-22 | 2019-10-15 | 江阴兴澄特种钢铁有限公司 | 一种低屈强比x80mo海底管线用钢板及其制造方法 |
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Effective date of registration: 20240319 Address after: 056015 Fuxing Road 232, Fuxing District, Hebei, Handan Patentee after: HANDAN IRON & STEEL GROUP Co.,Ltd. Country or region after: Zhong Guo Patentee after: Handan Branch of Hegang Co.,Ltd. Country or region after: China Patentee after: Hangang Nengjia Steel Co.,Ltd. Address before: 056015 Fuxing Road 232, Fuxing District, Hebei, Handan Patentee before: HANDAN IRON & STEEL GROUP Co.,Ltd. Country or region before: Zhong Guo Patentee before: Handan Branch of Hegang Co.,Ltd. |