KR20190129957A - 내사우어 라인 파이프용 고강도 강판 및 그의 제조 방법 그리고 내사우어 라인 파이프용 고강도 강판을 이용한 고강도 강관 - Google Patents
내사우어 라인 파이프용 고강도 강판 및 그의 제조 방법 그리고 내사우어 라인 파이프용 고강도 강판을 이용한 고강도 강관 Download PDFInfo
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- KR20190129957A KR20190129957A KR1020197030659A KR20197030659A KR20190129957A KR 20190129957 A KR20190129957 A KR 20190129957A KR 1020197030659 A KR1020197030659 A KR 1020197030659A KR 20197030659 A KR20197030659 A KR 20197030659A KR 20190129957 A KR20190129957 A KR 20190129957A
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- steel plate
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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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
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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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
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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
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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
- C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
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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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
- C21D9/085—Cooling or quenching
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
-
- 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
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0231—Warm rolling
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020217029889A KR102478368B1 (ko) | 2017-03-30 | 2017-09-26 | 내사우어 라인 파이프용 고강도 강판 및 그의 제조 방법 그리고 내사우어 라인 파이프용 고강도 강판을 이용한 고강도 강관 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017013405 | 2017-03-30 | ||
JPPCT/JP2017/013405 | 2017-03-30 | ||
PCT/JP2017/034800 WO2018179512A1 (ja) | 2017-03-30 | 2017-09-26 | 耐サワーラインパイプ用高強度鋼板およびその製造方法並びに耐サワーラインパイプ用高強度鋼板を用いた高強度鋼管 |
Related Child Applications (1)
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KR1020217029889A Division KR102478368B1 (ko) | 2017-03-30 | 2017-09-26 | 내사우어 라인 파이프용 고강도 강판 및 그의 제조 방법 그리고 내사우어 라인 파이프용 고강도 강판을 이용한 고강도 강관 |
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KR20190129957A true KR20190129957A (ko) | 2019-11-20 |
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Family Applications (2)
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KR1020197030659A KR20190129957A (ko) | 2017-03-30 | 2017-09-26 | 내사우어 라인 파이프용 고강도 강판 및 그의 제조 방법 그리고 내사우어 라인 파이프용 고강도 강판을 이용한 고강도 강관 |
KR1020217029889A KR102478368B1 (ko) | 2017-03-30 | 2017-09-26 | 내사우어 라인 파이프용 고강도 강판 및 그의 제조 방법 그리고 내사우어 라인 파이프용 고강도 강판을 이용한 고강도 강관 |
Family Applications After (1)
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KR1020217029889A KR102478368B1 (ko) | 2017-03-30 | 2017-09-26 | 내사우어 라인 파이프용 고강도 강판 및 그의 제조 방법 그리고 내사우어 라인 파이프용 고강도 강판을 이용한 고강도 강관 |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP3604584B1 (pt) |
JP (1) | JP6521197B2 (pt) |
KR (2) | KR20190129957A (pt) |
CN (1) | CN110462080B (pt) |
BR (1) | BR112019019696B1 (pt) |
WO (1) | WO2018179512A1 (pt) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6665822B2 (ja) * | 2017-03-30 | 2020-03-13 | Jfeスチール株式会社 | 耐サワーラインパイプ用高強度鋼板およびその製造方法並びに耐サワーラインパイプ用高強度鋼板を用いた高強度鋼管 |
KR102497360B1 (ko) * | 2018-09-28 | 2023-02-08 | 제이에프이 스틸 가부시키가이샤 | 내사워 라인 파이프용 고강도 강판 및 그 제조 방법 그리고 내사워 라인 파이프용 고강도 강판을 사용한 고강도 강관 |
JP6825749B2 (ja) * | 2018-09-28 | 2021-02-03 | Jfeスチール株式会社 | 耐サワーラインパイプ用高強度鋼板およびその製造方法並びに耐サワーラインパイプ用高強度鋼板を用いた高強度鋼管 |
CN112912532B (zh) * | 2018-10-26 | 2022-08-12 | 株式会社Posco | 抗硫化物应力腐蚀开裂性优异的高强度钢材及其制造方法 |
CN109517959A (zh) * | 2018-12-17 | 2019-03-26 | 包头钢铁(集团)有限责任公司 | 一种低成本输送管用热轧钢带及其制备方法 |
JP7272442B2 (ja) * | 2019-07-31 | 2023-05-12 | Jfeスチール株式会社 | 耐サワーラインパイプ用高強度鋼板およびその製造方法並びに耐サワーラインパイプ用高強度鋼板を用いた高強度鋼管 |
EP4116453A4 (en) * | 2020-03-04 | 2023-03-22 | Nippon Steel Corporation | STEEL PIPE AND SHEET STEEL |
AU2023223720A1 (en) * | 2022-02-24 | 2024-06-20 | Jfe Steel Corporation | Steel plate and method of producing same |
CN117187679A (zh) * | 2022-05-30 | 2023-12-08 | 宝山钢铁股份有限公司 | 一种高强度石油套管及其制造方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0957327A (ja) | 1995-08-22 | 1997-03-04 | Sumitomo Metal Ind Ltd | 厚鋼板のスケール除去方法 |
JP2002327212A (ja) | 2001-02-28 | 2002-11-15 | Nkk Corp | 耐サワーラインパイプ用鋼板の製造方法 |
JP3711896B2 (ja) | 2001-06-26 | 2005-11-02 | Jfeスチール株式会社 | 高強度ラインパイプ用鋼板の製造方法 |
JP3796133B2 (ja) | 2000-04-18 | 2006-07-12 | 新日本製鐵株式会社 | 厚鋼板冷却方法およびその装置 |
JP3951429B2 (ja) | 1998-03-30 | 2007-08-01 | Jfeスチール株式会社 | 板厚方向材質差の小さい高張力鋼板の製造方法 |
JP3951428B2 (ja) | 1998-03-30 | 2007-08-01 | Jfeスチール株式会社 | 板厚方向材質差の小さい高張力鋼板の製造方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4140556B2 (ja) * | 2004-06-14 | 2008-08-27 | 住友金属工業株式会社 | 耐硫化物応力割れ性に優れた低合金油井管用鋼 |
CN1330786C (zh) * | 2005-12-27 | 2007-08-08 | 东北大学 | 一种抗拉强度780MPa级复相钢板及制造方法 |
US20120018056A1 (en) * | 2009-01-30 | 2012-01-26 | Jfe Steel Corporation | Thick-walled high-strength hot rolled steel sheet having excellent hydrogen induced cracking resistance and manufacturing method thereof |
CN102301026B (zh) * | 2009-01-30 | 2014-11-05 | 杰富意钢铁株式会社 | 低温韧性优良的厚壁高强度热轧钢板及其制造方法 |
JP5724267B2 (ja) * | 2010-09-17 | 2015-05-27 | Jfeスチール株式会社 | 打抜き加工性に優れた高強度熱延鋼板およびその製造方法 |
JP5126326B2 (ja) * | 2010-09-17 | 2013-01-23 | Jfeスチール株式会社 | 耐疲労特性に優れた高強度熱延鋼板およびその製造方法 |
JP5672916B2 (ja) * | 2010-09-30 | 2015-02-18 | Jfeスチール株式会社 | 耐サワーラインパイプ用高強度鋼板およびその製造方法並びに耐サワーラインパイプ用高強度鋼板を用いた高強度鋼管 |
JP5776377B2 (ja) * | 2011-06-30 | 2015-09-09 | Jfeスチール株式会社 | 耐サワー性に優れたラインパイプ用溶接鋼管向け高強度熱延鋼板およびその製造方法 |
JP5900303B2 (ja) * | 2011-12-09 | 2016-04-06 | Jfeスチール株式会社 | 鋼板内の材質均一性に優れた耐サワーラインパイプ用高強度鋼板とその製造方法 |
JP5991174B2 (ja) * | 2011-12-09 | 2016-09-14 | Jfeスチール株式会社 | 鋼板内の材質均一性に優れた耐サワーラインパイプ用高強度鋼板とその製造方法 |
WO2016056216A1 (ja) * | 2014-10-07 | 2016-04-14 | Jfeスチール株式会社 | ラインパイプ用鋼板及びその製造方法とラインパイプ用鋼管 |
CN105821301A (zh) * | 2016-04-21 | 2016-08-03 | 河北钢铁股份有限公司邯郸分公司 | 一种800MPa级热轧高强度扩孔钢及其生产方法 |
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2017
- 2017-09-26 WO PCT/JP2017/034800 patent/WO2018179512A1/ja unknown
- 2017-09-26 EP EP17903712.2A patent/EP3604584B1/en active Active
- 2017-09-26 BR BR112019019696-0A patent/BR112019019696B1/pt active IP Right Grant
- 2017-09-26 CN CN201780089150.6A patent/CN110462080B/zh active Active
- 2017-09-26 KR KR1020197030659A patent/KR20190129957A/ko active Application Filing
- 2017-09-26 JP JP2018564992A patent/JP6521197B2/ja active Active
- 2017-09-26 KR KR1020217029889A patent/KR102478368B1/ko active IP Right Grant
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0957327A (ja) | 1995-08-22 | 1997-03-04 | Sumitomo Metal Ind Ltd | 厚鋼板のスケール除去方法 |
JP3951429B2 (ja) | 1998-03-30 | 2007-08-01 | Jfeスチール株式会社 | 板厚方向材質差の小さい高張力鋼板の製造方法 |
JP3951428B2 (ja) | 1998-03-30 | 2007-08-01 | Jfeスチール株式会社 | 板厚方向材質差の小さい高張力鋼板の製造方法 |
JP3796133B2 (ja) | 2000-04-18 | 2006-07-12 | 新日本製鐵株式会社 | 厚鋼板冷却方法およびその装置 |
JP2002327212A (ja) | 2001-02-28 | 2002-11-15 | Nkk Corp | 耐サワーラインパイプ用鋼板の製造方法 |
JP3711896B2 (ja) | 2001-06-26 | 2005-11-02 | Jfeスチール株式会社 | 高強度ラインパイプ用鋼板の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP3604584B1 (en) | 2022-05-18 |
BR112019019696A2 (pt) | 2020-04-14 |
KR20210118961A (ko) | 2021-10-01 |
KR102478368B1 (ko) | 2022-12-15 |
WO2018179512A1 (ja) | 2018-10-04 |
CN110462080B (zh) | 2022-01-04 |
EP3604584A1 (en) | 2020-02-05 |
BR112019019696B1 (pt) | 2022-07-19 |
CN110462080A (zh) | 2019-11-15 |
JPWO2018179512A1 (ja) | 2019-04-18 |
JP6521197B2 (ja) | 2019-05-29 |
EP3604584A4 (en) | 2020-03-04 |
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