EP4079919A4 - Steel material having excellent resistance to sulfide stress cracking and method for manufacturing same - Google Patents
Steel material having excellent resistance to sulfide stress cracking and method for manufacturing same Download PDFInfo
- Publication number
- EP4079919A4 EP4079919A4 EP20902517.0A EP20902517A EP4079919A4 EP 4079919 A4 EP4079919 A4 EP 4079919A4 EP 20902517 A EP20902517 A EP 20902517A EP 4079919 A4 EP4079919 A4 EP 4079919A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- steel material
- excellent resistance
- manufacturing same
- stress cracking
- sulfide stress
- 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
- 229910000831 Steel Inorganic materials 0.000 title 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 title 1
- 238000005336 cracking Methods 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000000463 material Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000010959 steel Substances 0.000 title 1
Classifications
-
- 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
-
- 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
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
-
- 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
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
-
- 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
- C21D8/0226—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 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
-
- 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
- C21D8/0273—Final recrystallisation annealing
-
- 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
- C22C38/02—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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- 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
- C21D2211/005—Ferrite
-
- 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
- C21D2211/009—Pearlite
-
- 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
- C21D2221/00—Treating localised areas of an article
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)
- Heat Treatment Of Steel (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020190167745A KR102326109B1 (en) | 2019-12-16 | 2019-12-16 | Steel sheet having excellent resistance of sulfide stress cracking and method of manufacturing the same |
PCT/KR2020/018309 WO2021125734A1 (en) | 2019-12-16 | 2020-12-15 | Steel material having excellent resistance to sulfide stress cracking and method for manufacturing same |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4079919A1 EP4079919A1 (en) | 2022-10-26 |
EP4079919A4 true EP4079919A4 (en) | 2023-05-17 |
Family
ID=76477826
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20902517.0A Pending EP4079919A4 (en) | 2019-12-16 | 2020-12-15 | Steel material having excellent resistance to sulfide stress cracking and method for manufacturing same |
Country Status (6)
Country | Link |
---|---|
US (1) | US20230026210A1 (en) |
EP (1) | EP4079919A4 (en) |
JP (1) | JP2023506833A (en) |
KR (1) | KR102326109B1 (en) |
CN (1) | CN114761599B (en) |
WO (1) | WO2021125734A1 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10298645A (en) * | 1997-04-24 | 1998-11-10 | Sumitomo Metal Ind Ltd | Manufacture of hot rolled high tensile strength steel plate |
WO2019058422A1 (en) * | 2017-09-19 | 2019-03-28 | 新日鐵住金株式会社 | Steel tube and steel sheet |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07179987A (en) * | 1993-12-22 | 1995-07-18 | Nkk Corp | High strength steel excellent in hydrogen induced cracking resistance and sulfide stress corrosion cracking resistance |
JP3474661B2 (en) * | 1995-01-24 | 2003-12-08 | 新日本製鐵株式会社 | Sour-resistant steel plate with excellent crack arrestability |
KR100435445B1 (en) | 1996-10-22 | 2004-08-25 | 주식회사 포스코 | Manufacturing method of high tensile strength plate for line pipes characterizing superior impact toughness and resistance to hydrogen induced cracking in ultra-low temperature environment |
KR101686257B1 (en) * | 2009-01-30 | 2016-12-13 | 제이에프이 스틸 가부시키가이샤 | Heavy gauge, high tensile strength, hot rolled steel sheet with excellent hic resistance and manufacturing method therefor |
JP5776377B2 (en) * | 2011-06-30 | 2015-09-09 | Jfeスチール株式会社 | High-strength hot-rolled steel sheet for welded steel pipes for line pipes with excellent sour resistance and method for producing the same |
EP2832879B1 (en) * | 2012-03-30 | 2019-11-20 | Nippon Steel Corporation | High-strength steel pipe for line pipe having excellent hydrogen-induced cracking resistance, high-strength steel plate for line pipe using same, and method for manufacturing same |
CN104619877B (en) * | 2012-09-13 | 2017-06-09 | 杰富意钢铁株式会社 | Hot rolled steel plate and its manufacture method |
WO2015030210A1 (en) * | 2013-08-30 | 2015-03-05 | 新日鐵住金株式会社 | Steel sheet for thick-walled high-strength line pipe having exceptional souring resistance, crush resistance properties, and low-temperature ductility, and line pipe |
JP6241434B2 (en) * | 2014-11-28 | 2017-12-06 | Jfeスチール株式会社 | Steel plate for line pipe, steel pipe for line pipe, and manufacturing method thereof |
KR101639909B1 (en) * | 2014-12-22 | 2016-07-15 | 주식회사 포스코 | Thick hot rolled steel plate having exellent hydrogen induced crack resistance and sulfide stress cracking and method for manufacturing the same |
KR101696051B1 (en) * | 2014-12-24 | 2017-01-13 | 주식회사 포스코 | Steel sheet having excellent resistance and excellent low temperature toughness to hydrogen induced cracking, and method of manufacturing the same |
KR101964247B1 (en) * | 2015-03-12 | 2019-04-01 | 제이에프이 스틸 가부시키가이샤 | High-strength thick steel sheet and method for manufacturing same |
KR101767778B1 (en) * | 2015-12-23 | 2017-08-14 | 주식회사 포스코 | Low yield ratio high strength steel having excellent resistance for stress corrosion cracking and low temperature toughness, and method for manufacturing the same |
KR101999027B1 (en) * | 2017-12-26 | 2019-07-10 | 주식회사 포스코 | Steel for pressure vessel having excellent resistance to hydrogen induced cracking and method of manufacturing the same |
US12037667B2 (en) * | 2018-10-26 | 2024-07-16 | Posco Co., Ltd | High-strength steel having excellent resistance to sulfide stress cracking, and method for manufacturing same |
-
2019
- 2019-12-16 KR KR1020190167745A patent/KR102326109B1/en active IP Right Grant
-
2020
- 2020-12-15 JP JP2022536636A patent/JP2023506833A/en active Pending
- 2020-12-15 WO PCT/KR2020/018309 patent/WO2021125734A1/en unknown
- 2020-12-15 US US17/784,026 patent/US20230026210A1/en active Pending
- 2020-12-15 CN CN202080083544.2A patent/CN114761599B/en active Active
- 2020-12-15 EP EP20902517.0A patent/EP4079919A4/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10298645A (en) * | 1997-04-24 | 1998-11-10 | Sumitomo Metal Ind Ltd | Manufacture of hot rolled high tensile strength steel plate |
WO2019058422A1 (en) * | 2017-09-19 | 2019-03-28 | 新日鐵住金株式会社 | Steel tube and steel sheet |
Also Published As
Publication number | Publication date |
---|---|
KR20210076482A (en) | 2021-06-24 |
EP4079919A1 (en) | 2022-10-26 |
JP2023506833A (en) | 2023-02-20 |
KR102326109B1 (en) | 2021-11-16 |
US20230026210A1 (en) | 2023-01-26 |
CN114761599A (en) | 2022-07-15 |
WO2021125734A1 (en) | 2021-06-24 |
CN114761599B (en) | 2023-10-31 |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: C21D 9/46 20060101ALI20230413BHEP Ipc: C21D 1/19 20060101ALI20230413BHEP Ipc: C21D 1/02 20060101ALI20230413BHEP Ipc: C21D 8/02 20060101ALI20230413BHEP Ipc: C22C 38/46 20060101ALI20230413BHEP Ipc: C22C 38/44 20060101ALI20230413BHEP Ipc: C22C 38/50 20060101ALI20230413BHEP Ipc: C22C 38/48 20060101ALI20230413BHEP Ipc: C22C 38/58 20060101AFI20230413BHEP |
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RAP3 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: POSCO |