JPWO2024070889A5 - - Google Patents
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- Publication number
- JPWO2024070889A5 JPWO2024070889A5 JP2024536977A JP2024536977A JPWO2024070889A5 JP WO2024070889 A5 JPWO2024070889 A5 JP WO2024070889A5 JP 2024536977 A JP2024536977 A JP 2024536977A JP 2024536977 A JP2024536977 A JP 2024536977A JP WO2024070889 A5 JPWO2024070889 A5 JP WO2024070889A5
- Authority
- JP
- Japan
- Prior art keywords
- less
- temperature
- steel sheet
- annealing
- cooling
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims 15
- 239000010959 steel Substances 0.000 claims 15
- 238000001816 cooling Methods 0.000 claims 8
- 238000000137 annealing Methods 0.000 claims 7
- 238000000034 method Methods 0.000 claims 5
- 238000003303 reheating Methods 0.000 claims 5
- 238000010438 heat treatment Methods 0.000 claims 4
- 238000004519 manufacturing process Methods 0.000 claims 3
- 239000000203 mixture Substances 0.000 claims 3
- 238000005096 rolling process Methods 0.000 claims 3
- 238000010583 slow cooling Methods 0.000 claims 3
- 239000010960 cold rolled steel Substances 0.000 claims 2
- 238000005246 galvanizing Methods 0.000 claims 2
- 238000005098 hot rolling Methods 0.000 claims 2
- 229910000734 martensite Inorganic materials 0.000 claims 2
- 238000007747 plating Methods 0.000 claims 2
- 238000005275 alloying Methods 0.000 claims 1
- 229910001566 austenite Inorganic materials 0.000 claims 1
- 229910001563 bainite Inorganic materials 0.000 claims 1
- 238000005097 cold rolling Methods 0.000 claims 1
- 238000009713 electroplating Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 claims 1
- 238000005304 joining Methods 0.000 claims 1
- 230000000717 retained effect Effects 0.000 claims 1
- 229910000859 α-Fe Inorganic materials 0.000 claims 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022157397 | 2022-09-30 | ||
| JP2022157397 | 2022-09-30 | ||
| PCT/JP2023/034299 WO2024070889A1 (ja) | 2022-09-30 | 2023-09-21 | 鋼板、部材およびそれらの製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2024070889A1 JPWO2024070889A1 (https=) | 2024-04-04 |
| JPWO2024070889A5 true JPWO2024070889A5 (https=) | 2024-09-05 |
| JP7655449B2 JP7655449B2 (ja) | 2025-04-02 |
Family
ID=90477629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2024536977A Active JP7655449B2 (ja) | 2022-09-30 | 2023-09-21 | 鋼板、部材およびそれらの製造方法 |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP4575012A4 (https=) |
| JP (1) | JP7655449B2 (https=) |
| KR (1) | KR20250050974A (https=) |
| CN (1) | CN119948191A (https=) |
| MX (1) | MX2025003791A (https=) |
| WO (1) | WO2024070889A1 (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120945294B (zh) * | 2025-10-17 | 2026-01-09 | 鞍钢股份有限公司 | 一种1000MPa超高扩孔性能冷轧连退CH钢及其制备方法 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3342993B2 (ja) * | 1995-07-31 | 2002-11-11 | 川崎製鉄株式会社 | 鋼板の均一冷却方法 |
| JP3583306B2 (ja) * | 1999-01-20 | 2004-11-04 | 株式会社神戸製鋼所 | 板幅方向における伸びのバラツキが改善された高強度高延性冷延鋼板の製造方法 |
| JP4188581B2 (ja) | 2001-01-31 | 2008-11-26 | 株式会社神戸製鋼所 | 加工性に優れた高強度鋼板およびその製造方法 |
| JP5402007B2 (ja) | 2008-02-08 | 2014-01-29 | Ｊｆｅスチール株式会社 | 加工性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法 |
| JP5463685B2 (ja) | 2009-02-25 | 2014-04-09 | Ｊｆｅスチール株式会社 | 加工性および耐衝撃性に優れた高強度冷延鋼板およびその製造方法 |
| JP5333298B2 (ja) | 2010-03-09 | 2013-11-06 | Ｊｆｅスチール株式会社 | 高強度鋼板の製造方法 |
| JP6179461B2 (ja) * | 2014-05-27 | 2017-08-16 | Ｊｆｅスチール株式会社 | 高強度鋼板の製造方法 |
| US11111553B2 (en) * | 2016-02-10 | 2021-09-07 | Jfe Steel Corporation | High-strength steel sheet and method for producing the same |
| EP3415655B1 (en) * | 2016-02-10 | 2020-11-25 | JFE Steel Corporation | High-strength steel sheet and method for manufacturing same |
| JP6801716B2 (ja) | 2016-09-21 | 2020-12-16 | 日本製鉄株式会社 | 冷延鋼板 |
| WO2018147400A1 (ja) | 2017-02-13 | 2018-08-16 | Ｊｆｅスチール株式会社 | 高強度鋼板およびその製造方法 |
| JP6645636B1 (ja) | 2018-05-01 | 2020-02-14 | 日本製鉄株式会社 | 亜鉛系めっき鋼板及びその製造方法 |
| EP3831972B1 (en) * | 2018-07-31 | 2023-04-05 | JFE Steel Corporation | High-strength hot-rolled steel sheet and method for manufacturing same |
| EP3754035B2 (en) * | 2019-06-17 | 2025-04-30 | Tata Steel IJmuiden B.V. | Method of heat treating a cold rolled steel strip |
| EP3992314A4 (en) | 2019-06-28 | 2023-07-19 | Nippon Steel Corporation | GALVANISED STEEL |
| EP4043595B1 (en) | 2019-10-10 | 2025-01-29 | Nippon Steel Corporation | Cold-rolled steel sheet and method for producing same |
-
2023
- 2023-09-21 KR KR1020257009392A patent/KR20250050974A/ko active Pending
- 2023-09-21 CN CN202380068521.8A patent/CN119948191A/zh active Pending
- 2023-09-21 JP JP2024536977A patent/JP7655449B2/ja active Active
- 2023-09-21 WO PCT/JP2023/034299 patent/WO2024070889A1/ja not_active Ceased
- 2023-09-21 EP EP23872115.3A patent/EP4575012A4/en active Pending
-
2025
- 2025-03-28 MX MX2025003791A patent/MX2025003791A/es unknown
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