EP4129510A4 - Hochfestes stahlblech für säureresistentes leitungsrohr, verfahren zur herstellung davon und mit hochfestem stahlblech hergestelltes leitungsrohr für säureresistentes stahlrohr - Google Patents
Hochfestes stahlblech für säureresistentes leitungsrohr, verfahren zur herstellung davon und mit hochfestem stahlblech hergestelltes leitungsrohr für säureresistentes stahlrohrInfo
- Publication number
- EP4129510A4 EP4129510A4 EP21774925.8A EP21774925A EP4129510A4 EP 4129510 A4 EP4129510 A4 EP 4129510A4 EP 21774925 A EP21774925 A EP 21774925A EP 4129510 A4 EP4129510 A4 EP 4129510A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- strength steel
- acid
- steel sheet
- pipe
- resistant pipe
- 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
Classifications
-
- 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
-
- 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
-
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
-
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
-
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
-
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
-
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0278—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment
-
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/06—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
-
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/10—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
-
- 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
- C21D9/46—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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- 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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- 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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- 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
-
- 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
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- 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
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/002—Bainite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Steel (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020056573 | 2020-03-26 | ||
| PCT/JP2021/011238 WO2021193383A1 (ja) | 2020-03-26 | 2021-03-18 | 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4129510A1 EP4129510A1 (de) | 2023-02-08 |
| EP4129510A4 true EP4129510A4 (de) | 2025-01-29 |
Family
ID=77891750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21774925.8A Pending EP4129510A4 (de) | 2020-03-26 | 2021-03-18 | Hochfestes stahlblech für säureresistentes leitungsrohr, verfahren zur herstellung davon und mit hochfestem stahlblech hergestelltes leitungsrohr für säureresistentes stahlrohr |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP4129510A4 (de) |
| JP (1) | JP7264269B2 (de) |
| KR (1) | KR102834030B1 (de) |
| CN (1) | CN115298340B (de) |
| WO (1) | WO2021193383A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023233734A1 (ja) * | 2022-06-03 | 2023-12-07 | Jfeスチール株式会社 | サワーガス設備用高強度鋼板及びそれを用いた高強度鋼管 |
| EP4488400A4 (de) * | 2022-06-03 | 2026-03-18 | Jfe Steel Corp | Hochfestes stahlblech für sauergasausrüstung und hochfestes stahlrohr damit |
| JP7722599B2 (ja) * | 2023-05-17 | 2025-08-13 | Jfeスチール株式会社 | 鋼管およびその製造方法 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013237101A (ja) * | 2012-04-20 | 2013-11-28 | Kobe Steel Ltd | 耐水素誘起割れ性に優れた鋼材およびその製造方法 |
| EP2871252A1 (de) * | 2012-07-09 | 2015-05-13 | JFE Steel Corporation | Dickwandiges und hochfestes säurebeständiges leitungsrohr und verfahren zu seiner herstellung |
| JP2018168441A (ja) * | 2017-03-30 | 2018-11-01 | 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 |
| JP2019131840A (ja) * | 2018-01-29 | 2019-08-08 | 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の製造方法、及び耐サワーラインパイプ用高強度鋼板、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 |
| WO2020003499A1 (ja) * | 2018-06-29 | 2020-01-02 | 日本製鉄株式会社 | 鋼管及び鋼板 |
| EP3604584A1 (de) * | 2017-03-30 | 2020-02-05 | JFE Steel Corporation | Hochfeste stahlplatte für sauergasbeständiges leitungsrohr, verfahren zur herstellung davon und hochfestes stahlrohr mit hochfestem stahlblech für sauergasbeständiges leitungsrohr |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62238378A (ja) * | 1986-04-08 | 1987-10-19 | Kobe Steel Ltd | 耐水素誘起割れ性の優れた表面処理鋼材 |
| 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 |
| JP4710423B2 (ja) * | 2005-06-08 | 2011-06-29 | Jfeスチール株式会社 | 耐ssc特性に優れた高張力鋼板の製造方法 |
| AU2009234667B2 (en) * | 2008-04-10 | 2012-03-08 | Nippon Steel Corporation | High-strength steel sheets which are extremely excellent in the balance between burring workability and ductility and excellent in fatigue endurance, zinc-coated steel sheets, and processes for production of both |
| KR101304859B1 (ko) * | 2009-12-04 | 2013-09-05 | 주식회사 포스코 | 표면균열 저항성이 우수한 초고강도 라인파이프용 강판 및 그 제조방법 |
| JP5652110B2 (ja) * | 2010-10-18 | 2015-01-14 | Jfeスチール株式会社 | レーザー切断性に優れた鋼板およびその製造方法 |
| JP5803270B2 (ja) * | 2011-05-24 | 2015-11-04 | Jfeスチール株式会社 | 耐圧潰性に優れた高強度耐サワーラインパイプ及びその製造方法 |
| CN104024461B (zh) * | 2012-03-30 | 2016-04-06 | 新日铁住金株式会社 | 抗氢诱发裂纹性优良的高强度管道用钢管和其所使用的高强度管道用钢板、以及它们的制造方法 |
| CN106544587A (zh) * | 2016-10-26 | 2017-03-29 | 首钢总公司 | 连铸坯大壁厚深海管线用热轧钢板及其生产方法 |
| CN107326261A (zh) * | 2017-06-16 | 2017-11-07 | 武汉钢铁有限公司 | 低屈强比薄规格高强抗酸管线钢热轧卷板及其制造方法 |
| JP7155702B2 (ja) * | 2018-07-19 | 2022-10-19 | 日本製鉄株式会社 | 耐サワーラインパイプ用厚鋼板およびその製造方法 |
-
2021
- 2021-03-18 CN CN202180020748.6A patent/CN115298340B/zh active Active
- 2021-03-18 KR KR1020227031130A patent/KR102834030B1/ko active Active
- 2021-03-18 JP JP2021551989A patent/JP7264269B2/ja active Active
- 2021-03-18 WO PCT/JP2021/011238 patent/WO2021193383A1/ja not_active Ceased
- 2021-03-18 EP EP21774925.8A patent/EP4129510A4/de active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013237101A (ja) * | 2012-04-20 | 2013-11-28 | Kobe Steel Ltd | 耐水素誘起割れ性に優れた鋼材およびその製造方法 |
| EP2871252A1 (de) * | 2012-07-09 | 2015-05-13 | JFE Steel Corporation | Dickwandiges und hochfestes säurebeständiges leitungsrohr und verfahren zu seiner herstellung |
| JP2018168441A (ja) * | 2017-03-30 | 2018-11-01 | 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 |
| EP3604584A1 (de) * | 2017-03-30 | 2020-02-05 | JFE Steel Corporation | Hochfeste stahlplatte für sauergasbeständiges leitungsrohr, verfahren zur herstellung davon und hochfestes stahlrohr mit hochfestem stahlblech für sauergasbeständiges leitungsrohr |
| JP2019131840A (ja) * | 2018-01-29 | 2019-08-08 | 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の製造方法、及び耐サワーラインパイプ用高強度鋼板、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 |
| WO2020003499A1 (ja) * | 2018-06-29 | 2020-01-02 | 日本製鉄株式会社 | 鋼管及び鋼板 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2021193383A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115298340B (zh) | 2023-10-31 |
| CN115298340A (zh) | 2022-11-04 |
| KR20220137970A (ko) | 2022-10-12 |
| BR112022019204A2 (pt) | 2022-11-08 |
| EP4129510A1 (de) | 2023-02-08 |
| JP7264269B2 (ja) | 2023-04-25 |
| KR102834030B1 (ko) | 2025-07-14 |
| JPWO2021193383A1 (de) | 2021-09-30 |
| WO2021193383A1 (ja) | 2021-09-30 |
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