EP4206351A4 - 980 bainitstahl mit hoher lochexpansion in mpa-qualität und herstellungsverfahren dafür - Google Patents
980 bainitstahl mit hoher lochexpansion in mpa-qualität und herstellungsverfahren dafür Download PDFInfo
- Publication number
- EP4206351A4 EP4206351A4 EP21860563.2A EP21860563A EP4206351A4 EP 4206351 A4 EP4206351 A4 EP 4206351A4 EP 21860563 A EP21860563 A EP 21860563A EP 4206351 A4 EP4206351 A4 EP 4206351A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- mpa
- manufacturing
- method therefor
- high hole
- hole expansion
- 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 1
- 229910001563 bainite Inorganic materials 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000010959 steel Substances 0.000 title 1
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
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- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
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- C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
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CN202010897959.5A CN114107798A (zh) | 2020-08-31 | 2020-08-31 | 一种980MPa级贝氏体高扩孔钢及其制造方法 |
PCT/CN2021/115433 WO2022042731A1 (zh) | 2020-08-31 | 2021-08-30 | 一种980MPa级贝氏体高扩孔钢及其制造方法 |
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EP4206351A1 EP4206351A1 (de) | 2023-07-05 |
EP4206351A4 true EP4206351A4 (de) | 2024-03-20 |
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EP21860563.2A Pending EP4206351A4 (de) | 2020-08-31 | 2021-08-30 | 980 bainitstahl mit hoher lochexpansion in mpa-qualität und herstellungsverfahren dafür |
Country Status (6)
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US (1) | US20230313333A1 (de) |
EP (1) | EP4206351A4 (de) |
JP (1) | JP2023539650A (de) |
KR (1) | KR20230059810A (de) |
CN (1) | CN114107798A (de) |
WO (1) | WO2022042731A1 (de) |
Families Citing this family (7)
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CN114774788B (zh) * | 2022-04-25 | 2023-08-29 | 马鞍山钢铁股份有限公司 | 一种900MPa级高表面质量的酸洗汽车用钢及其制造方法和应用 |
CN114908289B (zh) * | 2022-04-27 | 2023-04-14 | 鞍钢股份有限公司 | 一种650MPa级析出强化型热轧贝氏体钢及其生产方法 |
CN114892080B (zh) * | 2022-04-27 | 2023-06-20 | 鞍钢股份有限公司 | 一种720MPa级析出强化型热轧贝氏体钢及其生产方法 |
CN114908291B (zh) * | 2022-04-27 | 2023-04-14 | 鞍钢股份有限公司 | 一种850MPa级析出强化型热轧贝氏体钢及其生产方法 |
JP7522980B1 (ja) | 2022-11-22 | 2024-07-26 | Jfeスチール株式会社 | 高強度熱延鋼板及びその製造方法 |
WO2024111527A1 (ja) * | 2022-11-22 | 2024-05-30 | Jfeスチール株式会社 | 高強度熱延鋼板及びその製造方法 |
CN117165872B (zh) * | 2023-11-02 | 2024-02-13 | 北京科技大学 | 高扩孔率的单钛微合金化耐蚀高强钢 |
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KR20120121811A (ko) * | 2011-04-27 | 2012-11-06 | 현대제철 주식회사 | 고강도 강판 및 그 제조 방법 |
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CN108998739B (zh) * | 2018-08-01 | 2020-12-15 | 首钢集团有限公司 | 一种具有高扩孔性能的热轧酸洗带钢及其生产方法 |
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- 2021-08-30 KR KR1020237009928A patent/KR20230059810A/ko unknown
- 2021-08-30 US US18/043,267 patent/US20230313333A1/en active Pending
- 2021-08-30 EP EP21860563.2A patent/EP4206351A4/de active Pending
- 2021-08-30 WO PCT/CN2021/115433 patent/WO2022042731A1/zh unknown
- 2021-08-30 JP JP2023513802A patent/JP2023539650A/ja active Pending
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US20090092514A1 (en) * | 2006-05-24 | 2009-04-09 | Hitoshi Asahi | Steel pipe for high strength line pipe superior in strain aging resistance and steel plate for high strength line pipe and methods of production of the same |
JP2008156681A (ja) * | 2006-12-21 | 2008-07-10 | Kobe Steel Ltd | 伸びフランジ性及び表面性状に優れた熱延鋼板並びにその製造方法 |
US20130061989A1 (en) * | 2010-05-31 | 2013-03-14 | Jfe Steel Corporation | High strength hot-rolled steel sheet having excellent stretch flangeability and fatigue resistance and method for manufacturing the same |
KR20120121811A (ko) * | 2011-04-27 | 2012-11-06 | 현대제철 주식회사 | 고강도 강판 및 그 제조 방법 |
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EP3584337A1 (de) * | 2017-02-17 | 2019-12-25 | JFE Steel Corporation | Hochfestes heissgewalztes stahlblech und verfahren zur herstellung davon |
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Also Published As
Publication number | Publication date |
---|---|
KR20230059810A (ko) | 2023-05-03 |
US20230313333A1 (en) | 2023-10-05 |
WO2022042731A1 (zh) | 2022-03-03 |
EP4206351A1 (de) | 2023-07-05 |
JP2023539650A (ja) | 2023-09-15 |
CN114107798A (zh) | 2022-03-01 |
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