EP4130317A4 - Steel material - Google Patents

Steel material Download PDF

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Publication number
EP4130317A4
EP4130317A4 EP20928920.6A EP20928920A EP4130317A4 EP 4130317 A4 EP4130317 A4 EP 4130317A4 EP 20928920 A EP20928920 A EP 20928920A EP 4130317 A4 EP4130317 A4 EP 4130317A4
Authority
EP
European Patent Office
Prior art keywords
steel material
steel
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
Application number
EP20928920.6A
Other languages
German (de)
French (fr)
Other versions
EP4130317A1 (en
Inventor
Daisuke Matsuo
Yusaku TOMIO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of EP4130317A1 publication Critical patent/EP4130317A1/en
Publication of EP4130317A4 publication Critical patent/EP4130317A4/en
Pending legal-status Critical Current

Links

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
    • C22C38/54—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
    • 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
    • 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
    • C21D1/22—Martempering
    • 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
    • C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
    • 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
    • C21D6/004—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
    • 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
    • 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
    • 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
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • 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
    • C22C38/18—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
    • 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
    • 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
    • C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
    • 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
    • C21D2211/004—Dispersions; Precipitations
    • 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
    • C21D2211/008—Martensite
EP20928920.6A 2020-04-01 2020-04-01 Steel material Pending EP4130317A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/014975 WO2021199368A1 (en) 2020-04-01 2020-04-01 Steel material

Publications (2)

Publication Number Publication Date
EP4130317A1 EP4130317A1 (en) 2023-02-08
EP4130317A4 true EP4130317A4 (en) 2023-05-17

Family

ID=77929911

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20928920.6A Pending EP4130317A4 (en) 2020-04-01 2020-04-01 Steel material

Country Status (7)

Country Link
US (1) US20230175107A1 (en)
EP (1) EP4130317A4 (en)
JP (1) JP7364962B2 (en)
CN (1) CN115698358B (en)
BR (1) BR112022019162A2 (en)
MX (1) MX2022012281A (en)
WO (1) WO2021199368A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4286543A4 (en) * 2021-01-28 2024-03-06 Nippon Steel Corp Steel material
JP7239086B1 (en) * 2021-10-01 2023-03-14 日本製鉄株式会社 Martensitic stainless steel pipe
WO2023054586A1 (en) * 2021-10-01 2023-04-06 日本製鉄株式会社 Martensitic stainless steel pipe
WO2023074657A1 (en) * 2021-10-26 2023-05-04 日本製鉄株式会社 Martensitic stainless steel round bar
WO2024063108A1 (en) * 2022-09-21 2024-03-28 日本製鉄株式会社 Martensitic stainless steel material

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5496421A (en) * 1993-10-22 1996-03-05 Nkk Corporation High-strength martensitic stainless steel and method for making the same
JPH10237604A (en) * 1996-12-19 1998-09-08 Nippon Steel Corp Martensitic stainless steel excellent in hot workability and sulfide stress cracking resistance, method of blooming therefor, seamless steel tube using same, and its production
JP2000313941A (en) * 1999-04-27 2000-11-14 Nippon Steel Corp Seamless tube of martensitic stainless steel excellent in surface quality
US20050224143A1 (en) * 2002-12-20 2005-10-13 Hideki Takabe High strength martensitic stainless steel excellent in carbon dioxide gas corrosion resistance and sulfide stress-corrosion cracking resistance
US20170096722A1 (en) * 2014-05-21 2017-04-06 Jfe Steel Corporation High-strength seamless stainless steel pipe for oil country tubular goods and method for manufacturing the same
EP3460087A1 (en) * 2016-05-20 2019-03-27 Nippon Steel & Sumitomo Metal Corporation Steel bar for downhole member and downhole member
EP3604591A1 (en) * 2017-03-28 2020-02-05 Nippon Steel Corporation Martensitic stainless steel material

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3444008B2 (en) 1995-03-10 2003-09-08 住友金属工業株式会社 Martensitic stainless steel with excellent carbon dioxide corrosion resistance and sulfide stress corrosion cracking resistance
JP2000192196A (en) 1998-12-22 2000-07-11 Sumitomo Metal Ind Ltd Martensitic stainless steel for oil well
JP2002161312A (en) * 2000-11-21 2002-06-04 Nkk Corp Production method for highly tough, high chromium content steel
JP2003003243A (en) * 2001-06-22 2003-01-08 Sumitomo Metal Ind Ltd High-strength martensitic stainless steel with excellent resistance to carbon dioxide gas corrosion and sulfide stress corrosion cracking
JP5582307B2 (en) 2010-12-27 2014-09-03 Ｊｆｅスチール株式会社 High strength martensitic stainless steel seamless pipe for oil wells
MX363648B (en) * 2012-06-20 2019-03-28 Nippon Steel & Sumitomo Metal Corp Steel for oil well pipe, and method for producing same.
WO2014112353A1 (en) * 2013-01-16 2014-07-24 Ｊｆｅスチール株式会社 Stainless steel seamless tube for use in oil well and manufacturing process therefor
JP6193206B2 (en) * 2013-12-11 2017-09-06 株式会社神戸製鋼所 Steel plate and line pipe steel pipe with excellent sour resistance, HAZ toughness and HAZ hardness
JP6229640B2 (en) 2014-11-14 2017-11-15 Ｊｆｅスチール株式会社 Seamless steel pipe and manufacturing method thereof
JP6596954B2 (en) * 2015-06-12 2019-10-30 日本製鉄株式会社 Seamless steel pipe and manufacturing method thereof
JP7264596B2 (en) * 2018-03-19 2023-04-25 日本製鉄株式会社 steel material
MX2020012633A (en) 2018-05-25 2021-01-29 Jfe Steel Corp Martensitic stainless steel seamless steel tube for oil well pipes, and method for producing same.

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5496421A (en) * 1993-10-22 1996-03-05 Nkk Corporation High-strength martensitic stainless steel and method for making the same
JPH10237604A (en) * 1996-12-19 1998-09-08 Nippon Steel Corp Martensitic stainless steel excellent in hot workability and sulfide stress cracking resistance, method of blooming therefor, seamless steel tube using same, and its production
JP2000313941A (en) * 1999-04-27 2000-11-14 Nippon Steel Corp Seamless tube of martensitic stainless steel excellent in surface quality
US20050224143A1 (en) * 2002-12-20 2005-10-13 Hideki Takabe High strength martensitic stainless steel excellent in carbon dioxide gas corrosion resistance and sulfide stress-corrosion cracking resistance
US20170096722A1 (en) * 2014-05-21 2017-04-06 Jfe Steel Corporation High-strength seamless stainless steel pipe for oil country tubular goods and method for manufacturing the same
EP3460087A1 (en) * 2016-05-20 2019-03-27 Nippon Steel & Sumitomo Metal Corporation Steel bar for downhole member and downhole member
EP3604591A1 (en) * 2017-03-28 2020-02-05 Nippon Steel Corporation Martensitic stainless steel material

Also Published As

Publication number Publication date
MX2022012281A (en) 2022-10-27
WO2021199368A1 (en) 2021-10-07
CN115698358A (en) 2023-02-03
EP4130317A1 (en) 2023-02-08
JP7364962B2 (en) 2023-10-19
US20230175107A1 (en) 2023-06-08
CN115698358B (en) 2023-08-29
BR112022019162A2 (en) 2022-11-22
JPWO2021199368A1 (en) 2021-10-07

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