EP3354762A4 - Duplex stainless steel material and duplex stainless steel tube - Google Patents

Duplex stainless steel material and duplex stainless steel tube Download PDF

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Publication number
EP3354762A4
EP3354762A4 EP16866171.8A EP16866171A EP3354762A4 EP 3354762 A4 EP3354762 A4 EP 3354762A4 EP 16866171 A EP16866171 A EP 16866171A EP 3354762 A4 EP3354762 A4 EP 3354762A4
Authority
EP
European Patent Office
Prior art keywords
stainless steel
duplex stainless
steel material
steel tube
tube
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.)
Withdrawn
Application number
EP16866171.8A
Other languages
German (de)
French (fr)
Other versions
EP3354762A1 (en
Inventor
Yuuko FUKUTA
Masaki Shimamoto
Tomoko Sugimura
Makoto KAWAMORI
Yuutarou KATSUKI
Yosuke YONENAGA
Junichiro Kinugasa
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Priority claimed from PCT/JP2016/082652 external-priority patent/WO2017086169A1/en
Publication of EP3354762A1 publication Critical patent/EP3354762A1/en
Publication of EP3354762A4 publication Critical patent/EP3354762A4/en
Withdrawn legal-status Critical Current

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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
    • 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
    • C21D1/26—Methods of 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
    • 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
    • C21D8/021—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular fabrication or treatment of ingot or slab
    • 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
    • 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
    • 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
    • C22C38/001—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
    • C22C38/42—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
    • 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
    • C21D2211/001—Austenite
    • 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
    • C21D2211/005—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
    • 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

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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)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
EP16866171.8A 2015-11-17 2016-11-02 Duplex stainless steel material and duplex stainless steel tube Withdrawn EP3354762A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2015225214 2015-11-17
JP2016170298A JP2017095794A (en) 2015-11-17 2016-08-31 Duplex stainless steel material and duplex stainless steel tube
PCT/JP2016/082652 WO2017086169A1 (en) 2015-11-17 2016-11-02 Duplex stainless steel material and duplex stainless steel tube

Publications (2)

Publication Number Publication Date
EP3354762A1 EP3354762A1 (en) 2018-08-01
EP3354762A4 true EP3354762A4 (en) 2019-04-24

Family

ID=58817026

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16866171.8A Withdrawn EP3354762A4 (en) 2015-11-17 2016-11-02 Duplex stainless steel material and duplex stainless steel tube

Country Status (5)

Country Link
US (1) US20190292639A1 (en)
EP (1) EP3354762A4 (en)
JP (1) JP2017095794A (en)
KR (1) KR20180081582A (en)
CN (1) CN108350541A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109972060B (en) * 2019-05-07 2020-10-09 四川维珍高新材料有限公司 Low-nickel high-strength duplex stainless steel material and preparation method thereof
SE1950909A1 (en) * 2019-07-31 2021-02-01 Ferritico Ab Duplex steel with improved embrittlement properties and method of producing such
EP4092150A1 (en) * 2020-01-15 2022-11-23 NIPPON STEEL Stainless Steel Corporation Ferritic stainless steel
CN111197144A (en) * 2020-02-21 2020-05-26 青岛三庆金属有限公司 High-temperature-resistant stainless steel composition for food heating container
EP4112753A1 (en) * 2020-02-27 2023-01-04 Nippon Steel Stainless Steel Corporation Stainless steel, stainless steel material, and stainless steel production method
JP7436821B2 (en) 2020-03-25 2024-02-22 日本製鉄株式会社 Duplex stainless steel material
WO2021225103A1 (en) * 2020-05-07 2021-11-11 日本製鉄株式会社 Duplex stainless steel seamless pipe
CN115522209B (en) * 2022-10-09 2024-01-30 浙江丰业集团有限公司 Steel strengthening treatment liquid and steel treatment process

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0818552A2 (en) * 1996-07-13 1998-01-14 Schmidt + Clemens GmbH + Co. Ferritic-austenitic stainless steel casting alloy
JP2008214713A (en) * 2007-03-06 2008-09-18 Sumitomo Metal Ind Ltd Billet for seamless steel tube, and seamless steel tube
JP2013234344A (en) * 2012-05-07 2013-11-21 Kobe Steel Ltd Duplex phase stainless steel material and duplex phase stainless steel pipe
WO2014112445A1 (en) * 2013-01-15 2014-07-24 株式会社神戸製鋼所 Duplex stainless steel material and duplex stainless steel pipe
JP2015078429A (en) * 2013-09-11 2015-04-23 株式会社神戸製鋼所 Duplex stainless steel material and duplex stainless steel tube
JP2015110828A (en) * 2013-11-05 2015-06-18 株式会社神戸製鋼所 Duplex stainless steel material and duplex stainless steel tube

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03291358A (en) 1990-04-09 1991-12-20 Sumitomo Metal Ind Ltd Duplex stainless steel excellent in toughness and hot workability and its production
JP2500162B2 (en) 1991-11-11 1996-05-29 住友金属工業株式会社 High strength duplex stainless steel with excellent corrosion resistance
JPH08170153A (en) 1994-12-19 1996-07-02 Sumitomo Metal Ind Ltd Highly corrosion resistant two phase stainless steel
JP2000212704A (en) 1999-01-20 2000-08-02 Nippon Steel Corp Ferritic stainless steel excellent in workability and corrosion resistance and production of thin steel sheet thereof
JP3831184B2 (en) 2000-09-06 2006-10-11 新日鐵住金ステンレス株式会社 Stainless steel slab having austenite-ferrite two-phase excellent in hot workability
JP3864921B2 (en) 2002-03-29 2007-01-10 住友金属工業株式会社 Low alloy steel
CN101748343A (en) * 2008-12-01 2010-06-23 朱浩锋 High-corrosion resistant high-strength dual-phase hot-rolled stainless steel strip and hot rolling process thereof
CN104032108B (en) * 2014-06-06 2016-03-02 甘肃酒钢集团宏兴钢铁股份有限公司 A kind of production method of duplex stainless steel hot rolling volume
CN104438418B (en) * 2014-09-28 2017-01-25 浙江富钢金属制品有限公司 Rolling method of stainless steel mold cast steel ingot by one-heating forming

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0818552A2 (en) * 1996-07-13 1998-01-14 Schmidt + Clemens GmbH + Co. Ferritic-austenitic stainless steel casting alloy
JP2008214713A (en) * 2007-03-06 2008-09-18 Sumitomo Metal Ind Ltd Billet for seamless steel tube, and seamless steel tube
JP2013234344A (en) * 2012-05-07 2013-11-21 Kobe Steel Ltd Duplex phase stainless steel material and duplex phase stainless steel pipe
WO2014112445A1 (en) * 2013-01-15 2014-07-24 株式会社神戸製鋼所 Duplex stainless steel material and duplex stainless steel pipe
JP2015078429A (en) * 2013-09-11 2015-04-23 株式会社神戸製鋼所 Duplex stainless steel material and duplex stainless steel tube
JP2015110828A (en) * 2013-11-05 2015-06-18 株式会社神戸製鋼所 Duplex stainless steel material and duplex stainless steel tube

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2017086169A1 *

Also Published As

Publication number Publication date
US20190292639A1 (en) 2019-09-26
EP3354762A1 (en) 2018-08-01
CN108350541A (en) 2018-07-31
KR20180081582A (en) 2018-07-16
JP2017095794A (en) 2017-06-01

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