JPWO2023204109A5 - - Google Patents
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- Publication number
- JPWO2023204109A5 JPWO2023204109A5 JP2023547316A JP2023547316A JPWO2023204109A5 JP WO2023204109 A5 JPWO2023204109 A5 JP WO2023204109A5 JP 2023547316 A JP2023547316 A JP 2023547316A JP 2023547316 A JP2023547316 A JP 2023547316A JP WO2023204109 A5 JPWO2023204109 A5 JP WO2023204109A5
- Authority
- JP
- Japan
- Prior art keywords
- less
- hot
- steel plate
- rolled steel
- mass
- 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 18
- 239000010959 steel Substances 0.000 claims 18
- 238000010438 heat treatment Methods 0.000 claims 10
- 238000001816 cooling Methods 0.000 claims 5
- 239000000203 mixture Substances 0.000 claims 5
- 238000000034 method Methods 0.000 claims 3
- 239000013078 crystal Substances 0.000 claims 2
- 238000005098 hot rolling Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- 229910000734 martensite Inorganic materials 0.000 claims 2
- 239000000463 material Substances 0.000 claims 2
- 238000010791 quenching Methods 0.000 claims 2
- 230000000171 quenching effect Effects 0.000 claims 2
- 229910001563 bainite Inorganic materials 0.000 claims 1
- 239000012535 impurity Substances 0.000 claims 1
- 238000002791 soaking Methods 0.000 claims 1
- 229910000859 α-Fe Inorganic materials 0.000 claims 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPPCT/JP2022/018338 | 2022-04-20 | ||
| PCT/JP2022/018338 WO2023203702A1 (ja) | 2022-04-20 | 2022-04-20 | 鋼板およびその製造方法 |
| PCT/JP2023/014767 WO2023204109A1 (ja) | 2022-04-20 | 2023-04-11 | 鋼板およびその製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP7364137B1 JP7364137B1 (ja) | 2023-10-18 |
| JPWO2023204109A1 JPWO2023204109A1 (https=) | 2023-10-26 |
| JPWO2023204109A5 true JPWO2023204109A5 (https=) | 2024-04-01 |
Family
ID=88328382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023547316A Active JP7364137B1 (ja) | 2022-04-20 | 2023-04-11 | 鋼板およびその製造方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20250197980A1 (https=) |
| EP (1) | EP4481063A4 (https=) |
| JP (1) | JP7364137B1 (https=) |
| KR (1) | KR20240134964A (https=) |
| CN (1) | CN118974297A (https=) |
| AU (1) | AU2023255865B2 (https=) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11277105A (ja) * | 1998-03-27 | 1999-10-12 | Nippon Steel Corp | 耐スケール剥離性に優れる厚鋼板の製造方法 |
| TNSN99233A1 (fr) | 1998-12-19 | 2001-12-31 | Exxon Production Research Co | Aciers de haute resistance avec excellente tenacite de temperature cryogenique |
| JP5480215B2 (ja) * | 2011-09-08 | 2014-04-23 | 株式会社神戸製鋼所 | 引張強さ７８０ＭＰａ以上の低降伏比厚肉円形鋼管用鋼板およびその製造方法、並びに引張強さ７８０ＭＰａ以上の低降伏比厚肉円形鋼管 |
| KR101482359B1 (ko) | 2012-12-27 | 2015-01-13 | 주식회사 포스코 | 극저온 인성이 우수하고 저항복비 특성을 갖는 고강도 강판 및 그의 제조방법 |
| EP3128027B1 (en) * | 2014-03-31 | 2018-09-05 | JFE Steel Corporation | High-strength cold rolled steel sheet having high yield ratio, and production method therefor |
| KR101767778B1 (ko) * | 2015-12-23 | 2017-08-14 | 주식회사 포스코 | 응력부식균열 저항성 및 저온인성이 우수한 저항복비 고강도 강재 |
| JP6372632B1 (ja) * | 2016-11-16 | 2018-08-15 | Ｊｆｅスチール株式会社 | 高強度鋼板およびその製造方法 |
| JP6809524B2 (ja) * | 2018-01-10 | 2021-01-06 | Ｊｆｅスチール株式会社 | 超低降伏比高張力厚鋼板およびその製造方法 |
| WO2021106368A1 (ja) * | 2019-11-27 | 2021-06-03 | Ｊｆｅスチール株式会社 | 鋼板およびその製造方法 |
-
2023
- 2023-04-11 KR KR1020247027011A patent/KR20240134964A/ko active Pending
- 2023-04-11 CN CN202380029970.1A patent/CN118974297A/zh active Pending
- 2023-04-11 AU AU2023255865A patent/AU2023255865B2/en active Active
- 2023-04-11 EP EP23791757.0A patent/EP4481063A4/en active Pending
- 2023-04-11 JP JP2023547316A patent/JP7364137B1/ja active Active
- 2023-04-11 US US18/848,910 patent/US20250197980A1/en active Pending
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