EP4066954A4 - Line pipe-use electric resistance welded steel pipe - Google Patents
Line pipe-use electric resistance welded steel pipe Download PDFInfo
- Publication number
- EP4066954A4 EP4066954A4 EP20919182.4A EP20919182A EP4066954A4 EP 4066954 A4 EP4066954 A4 EP 4066954A4 EP 20919182 A EP20919182 A EP 20919182A EP 4066954 A4 EP4066954 A4 EP 4066954A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- pipe
- electric resistance
- welded steel
- use electric
- resistance welded
- 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
- 239000010959 steel Substances 0.000 title 1
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
- 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
- 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
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
-
- 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
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/60—Aqueous agents
-
- 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
- C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
- C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies 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
- 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
- C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
- C21D9/505—Cooling thereof
-
- 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
- C22C38/26—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
- C22C38/44—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
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
-
- 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
- C21D2211/003—Cementite
-
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2020/005072 WO2021161366A1 (en) | 2020-02-10 | 2020-02-10 | Line pipe-use electric resistance welded steel pipe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4066954A1 EP4066954A1 (en) | 2022-10-05 |
EP4066954A4 true EP4066954A4 (en) | 2023-07-05 |
Family
ID=77293041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20919182.4A Pending EP4066954A4 (en) | 2020-02-10 | 2020-02-10 | Line pipe-use electric resistance welded steel pipe |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP4066954A4 (en) |
JP (1) | JP7226595B2 (en) |
KR (1) | KR20220105166A (en) |
WO (1) | WO2021161366A1 (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2752499A1 (en) * | 2011-08-23 | 2014-07-09 | Nippon Steel & Sumitomo Metal Corporation | Thick-walled electric-resistance-welded steel pipe and process for producing same |
US20150203933A1 (en) * | 2012-06-28 | 2015-07-23 | Jfe Steel Corporation | High-strength electric-resistance-welded steel pipe of excellent long-term softening resistance in intermediate temperature ranges, and method of producing same |
JP2015190026A (en) * | 2014-03-28 | 2015-11-02 | Jfeスチール株式会社 | Thick high strength electroseamed steel pipe for linepipe and manufacturing method therefor |
US20170307111A1 (en) * | 2014-09-25 | 2017-10-26 | Jfe Steel Corporation | Steel strip for electric-resistance-welded steel pipe or tube, electric-resistance-welded steel pipe or tube, and process for producing steel strip for electric-resistance-welded steel pipe or tube |
EP3375900A1 (en) * | 2016-03-22 | 2018-09-19 | Nippon Steel & Sumitomo Metal Corporation | Electric resistance welded steel tube for line pipe |
WO2018235244A1 (en) * | 2017-06-22 | 2018-12-27 | 新日鐵住金株式会社 | As-roll electric resistance-welded steel pipe for line pipe, and hot-rolled steel sheet |
JP6575734B1 (en) * | 2019-03-04 | 2019-09-18 | 日本製鉄株式会社 | ERW steel pipe for line pipe |
EP3546610A1 (en) * | 2017-03-29 | 2019-10-02 | Nippon Steel Corporation | As-rolled type electric-resistance-welded steel pipe for line pipes |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0641684A (en) | 1992-07-27 | 1994-02-15 | Nippon Steel Corp | Electric-resistance-welded tube excellent in sulfide stress corrosion cracking resistance |
JPH06235045A (en) | 1993-02-10 | 1994-08-23 | Nippon Steel Corp | Electric resistance welded tube excellent in sulphide stress corrosion cracking resistance |
CN107988547A (en) | 2016-10-27 | 2018-05-04 | 鞍钢股份有限公司 | X52MS hot-rolled coil for high-frequency resistance welded pipe and manufacturing method thereof |
JP6665822B2 (en) | 2017-03-30 | 2020-03-13 | Jfeスチール株式会社 | High strength steel sheet for sour resistant line pipe, method for producing the same, and high strength steel pipe using high strength steel sheet for sour resistant line pipe |
EP3604592B1 (en) | 2017-03-30 | 2022-03-23 | JFE Steel Corporation | High strength steel plate for sour-resistant line pipe, method for manufacturing same, and high strength steel pipe using high strength steel plate for sour-resistant line pipe |
KR102010081B1 (en) | 2017-12-26 | 2019-08-12 | 주식회사 포스코 | Hot-rolled steel sheet having high-strength and high-toughness and method for producing the same |
JP6587041B1 (en) | 2019-02-19 | 2019-10-09 | 日本製鉄株式会社 | ERW steel pipe for line pipe |
-
2020
- 2020-02-10 KR KR1020227021826A patent/KR20220105166A/en not_active Application Discontinuation
- 2020-02-10 JP JP2021577721A patent/JP7226595B2/en active Active
- 2020-02-10 WO PCT/JP2020/005072 patent/WO2021161366A1/en unknown
- 2020-02-10 EP EP20919182.4A patent/EP4066954A4/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2752499A1 (en) * | 2011-08-23 | 2014-07-09 | Nippon Steel & Sumitomo Metal Corporation | Thick-walled electric-resistance-welded steel pipe and process for producing same |
US20150203933A1 (en) * | 2012-06-28 | 2015-07-23 | Jfe Steel Corporation | High-strength electric-resistance-welded steel pipe of excellent long-term softening resistance in intermediate temperature ranges, and method of producing same |
JP2015190026A (en) * | 2014-03-28 | 2015-11-02 | Jfeスチール株式会社 | Thick high strength electroseamed steel pipe for linepipe and manufacturing method therefor |
US20170307111A1 (en) * | 2014-09-25 | 2017-10-26 | Jfe Steel Corporation | Steel strip for electric-resistance-welded steel pipe or tube, electric-resistance-welded steel pipe or tube, and process for producing steel strip for electric-resistance-welded steel pipe or tube |
EP3375900A1 (en) * | 2016-03-22 | 2018-09-19 | Nippon Steel & Sumitomo Metal Corporation | Electric resistance welded steel tube for line pipe |
EP3546610A1 (en) * | 2017-03-29 | 2019-10-02 | Nippon Steel Corporation | As-rolled type electric-resistance-welded steel pipe for line pipes |
WO2018235244A1 (en) * | 2017-06-22 | 2018-12-27 | 新日鐵住金株式会社 | As-roll electric resistance-welded steel pipe for line pipe, and hot-rolled steel sheet |
JP6575734B1 (en) * | 2019-03-04 | 2019-09-18 | 日本製鉄株式会社 | ERW steel pipe for line pipe |
Non-Patent Citations (1)
Title |
---|
See also references of WO2021161366A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2021161366A1 (en) | 2021-08-19 |
JPWO2021161366A1 (en) | 2021-08-19 |
EP4066954A1 (en) | 2022-10-05 |
JP7226595B2 (en) | 2023-02-21 |
KR20220105166A (en) | 2022-07-26 |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: C21D 1/60 20060101ALI20230601BHEP Ipc: C21D 6/00 20060101ALI20230601BHEP Ipc: C21D 9/50 20060101ALI20230601BHEP Ipc: C21D 8/10 20060101ALI20230601BHEP Ipc: C21D 9/08 20060101ALI20230601BHEP Ipc: C22C 38/26 20060101ALI20230601BHEP Ipc: C22C 38/28 20060101ALI20230601BHEP Ipc: C22C 38/08 20060101ALI20230601BHEP Ipc: C22C 38/16 20060101ALI20230601BHEP Ipc: C22C 38/06 20060101ALI20230601BHEP Ipc: C22C 38/00 20060101ALI20230601BHEP Ipc: C22C 38/14 20060101ALI20230601BHEP Ipc: C22C 38/12 20060101ALI20230601BHEP Ipc: C22C 38/02 20060101ALI20230601BHEP Ipc: C22C 38/04 20060101AFI20230601BHEP |