JP2002060839A5 - - Google Patents
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- JP2002060839A5 JP2002060839A5 JP2000252540A JP2000252540A JP2002060839A5 JP 2002060839 A5 JP2002060839 A5 JP 2002060839A5 JP 2000252540 A JP2000252540 A JP 2000252540A JP 2000252540 A JP2000252540 A JP 2000252540A JP 2002060839 A5 JP2002060839 A5 JP 2002060839A5
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Description
鋼種Ｄは本発明の化学成分範囲内であり、鋼番Ｄ２，Ｄ３は、９５０℃以下で４０％以上の累積圧下を行うもので、強度、降伏比ともに本発明の目的とする効果が得られている。
鋼番Ｇ１，Ｈ１，Ｉ１，Ｊ１，Ｋ１は、化学成分、製造条件ともに本発明範囲内であり、低降伏比７８０Ｎ／ｍｍ2鋼として優れた機械的特性、溶接性が得られている。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000252540A JP4461589B2 (ja) | 2000-08-23 | 2000-08-23 | 溶接割れ感受性に優れた低降伏比７８０Ｎ／ｍｍ２級高張力鋼の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000252540A JP4461589B2 (ja) | 2000-08-23 | 2000-08-23 | 溶接割れ感受性に優れた低降伏比７８０Ｎ／ｍｍ２級高張力鋼の製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2002060839A JP2002060839A (ja) | 2002-02-28 |
| JP2002060839A5 true JP2002060839A5 (ja) | 2007-07-05 |
| JP4461589B2 JP4461589B2 (ja) | 2010-05-12 |
Family
ID=18741762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000252540A Expired - Fee Related JP4461589B2 (ja) | 2000-08-23 | 2000-08-23 | 溶接割れ感受性に優れた低降伏比７８０Ｎ／ｍｍ２級高張力鋼の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4461589B2 (ja) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100957929B1 (ko) | 2002-12-18 | 2010-05-13 | 주식회사 포스코 | 저온인성이 우수한 고장력 강판의 제조방법 |
| JP6020017B2 (ja) * | 2011-12-14 | 2016-11-02 | Ｊｆｅスチール株式会社 | 耐再熱割れ性と強度、靭性に優れたＣｒ−Ｍｏ鋼板およびその製造方法 |
| CN104726773B (zh) * | 2015-04-15 | 2017-05-17 | 武汉钢铁(集团)公司 | 具有良好的‑50℃低温韧性正火型高强度压力容器钢板及其制造方法 |
| CN111485083B (zh) * | 2019-01-25 | 2021-09-10 | 南京理工大学 | 一种超高强度纳米异构低碳钢的制备方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0913123A (ja) * | 1995-06-28 | 1997-01-14 | Nkk Corp | 高張力鋼の製造方法 |
| JPH11172331A (ja) * | 1997-09-30 | 1999-06-29 | Nkk Corp | 溶接割れ感受性に優れた低降伏比高張力鋼の製造方法 |
| JP2000192140A (ja) * | 1998-10-16 | 2000-07-11 | Nkk Corp | 溶接割れ感受性に優れた低降伏比高張力鋼の製造方法 |
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2000
- 2000-08-23 JP JP2000252540A patent/JP4461589B2/ja not_active Expired - Fee Related
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