EP3354762A4 - Matériau en acier inoxydable duplex et tube en acier inoxydable duplex - Google Patents

Matériau en acier inoxydable duplex et tube en acier inoxydable duplex 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Withdrawn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)
English (en)
Other versions
EP3354762A1 (fr
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/fr
Publication of EP3354762A1 publication Critical patent/EP3354762A1/fr
Publication of EP3354762A4 publication Critical patent/EP3354762A4/fr
Withdrawn legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18Hardening; Quenching with or without subsequent tempering
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26Methods of annealing
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/004Heat treatment of ferrous alloys containing Cr and Ni
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/005Heat treatment of ferrous alloys containing Mn
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/008Heat treatment of ferrous alloys containing Si
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/021Modifying 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 particular fabrication steps or treatments of ingots or slabs
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247Modifying 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
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/10Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/52Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/001Austenite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/004Dispersions; Precipitations
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/005Ferrite

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  • 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)
  • Heat Treatment Of Sheet Steel (AREA)
EP16866171.8A 2015-11-17 2016-11-02 Matériau en acier inoxydable duplex et tube en acier inoxydable duplex Withdrawn EP3354762A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2015225214 2015-11-17
JP2016170298A JP2017095794A (ja) 2015-11-17 2016-08-31 二相ステンレス鋼材および二相ステンレス鋼管
PCT/JP2016/082652 WO2017086169A1 (fr) 2015-11-17 2016-11-02 Matériau en acier inoxydable duplex et tube en acier inoxydable duplex

Publications (2)

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

Family

ID=58817026

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16866171.8A Withdrawn EP3354762A4 (fr) 2015-11-17 2016-11-02 Matériau en acier inoxydable duplex et tube en acier inoxydable duplex

Country Status (5)

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

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109972060B (zh) * 2019-05-07 2020-10-09 四川维珍高新材料有限公司 一种低镍高强度双相不锈钢材料及其制备方法
SE1950909A1 (en) * 2019-07-31 2021-02-01 Ferritico Ab Duplex steel with improved embrittlement properties and method of producing such
KR102733836B1 (ko) * 2020-01-15 2024-11-26 닛테츠 스테인레스 가부시키가이샤 페라이트계 스테인리스강
CN111197144A (zh) * 2020-02-21 2020-05-26 青岛三庆金属有限公司 一种用于食品加热容器的耐高温不锈钢组合物
CN115244199B (zh) * 2020-02-27 2023-10-20 日铁不锈钢株式会社 不锈钢、不锈钢钢材及不锈钢的制造方法
JP7436821B2 (ja) * 2020-03-25 2024-02-22 日本製鉄株式会社 二相ステンレス鋼材
JP7477790B2 (ja) * 2020-05-07 2024-05-02 日本製鉄株式会社 二相ステンレス継目無鋼管
JP7623601B2 (ja) * 2020-06-30 2025-01-29 日本製鉄株式会社 二相ステンレス鋼管および溶接継手
EP4317467A4 (fr) * 2021-03-31 2024-09-11 NIPPON STEEL Stainless Steel Corporation Fil machine d'acier inoxydable duplex et fil d'acier inoxydable duplex
CN115522209B (zh) * 2022-10-09 2024-01-30 浙江丰业集团有限公司 一种钢材强化处理液及钢材处理工艺
CN120835938A (zh) 2023-03-10 2025-10-24 日本制铁株式会社 双相不锈钢钢材和双相不锈钢焊接接头
CN116426738B (zh) * 2023-04-10 2026-03-27 江阴市东泰管件有限公司 一种多排孔不锈钢集合管的加工工艺

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0818552A2 (fr) * 1996-07-13 1998-01-14 Schmidt + Clemens GmbH + Co. Alliage de coulée en acier inoxydable du type ferritique-austénitique
JP2008214713A (ja) * 2007-03-06 2008-09-18 Sumitomo Metal Ind Ltd 継目無鋼管用ビレットおよび継目無鋼管
JP2013234344A (ja) * 2012-05-07 2013-11-21 Kobe Steel Ltd 二相ステンレス鋼材および二相ステンレス鋼管
WO2014112445A1 (fr) * 2013-01-15 2014-07-24 株式会社神戸製鋼所 Matière d'acier inoxydable duplex et tuyau d'acier inoxydable duplex
JP2015078429A (ja) * 2013-09-11 2015-04-23 株式会社神戸製鋼所 二相ステンレス鋼材および二相ステンレス鋼管
JP2015110828A (ja) * 2013-11-05 2015-06-18 株式会社神戸製鋼所 二相ステンレス鋼材および二相ステンレス鋼管

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Publication number Priority date Publication date Assignee Title
JPH03291358A (ja) 1990-04-09 1991-12-20 Sumitomo Metal Ind Ltd 靭性と熱間加工性に優れた二相ステンレス鋼およびその製造方法
JP2500162B2 (ja) 1991-11-11 1996-05-29 住友金属工業株式会社 耐食性に優れた高強度二相ステンレス鋼
JPH08170153A (ja) 1994-12-19 1996-07-02 Sumitomo Metal Ind Ltd 高耐食性2相ステンレス鋼
JP2000212704A (ja) 1999-01-20 2000-08-02 Nippon Steel Corp 加工性および耐食性に優れたフェライト系ステンレス鋼およびその薄鋼板の製造方法
JP3831184B2 (ja) 2000-09-06 2006-10-11 新日鐵住金ステンレス株式会社 熱間加工性に優れたオーステナイト−フェライト二相を有するステンレス鋼鋳片
JP3864921B2 (ja) 2002-03-29 2007-01-10 住友金属工業株式会社 低合金鋼
CN101748343A (zh) * 2008-12-01 2010-06-23 朱浩锋 一种高耐蚀性高强度双相热轧不锈带钢及其热轧工艺
CN104032108B (zh) * 2014-06-06 2016-03-02 甘肃酒钢集团宏兴钢铁股份有限公司 一种双相不锈钢热轧卷的生产方法
CN104438418B (zh) * 2014-09-28 2017-01-25 浙江富钢金属制品有限公司 一种不锈钢模铸钢锭一火成材的轧制方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0818552A2 (fr) * 1996-07-13 1998-01-14 Schmidt + Clemens GmbH + Co. Alliage de coulée en acier inoxydable du type ferritique-austénitique
JP2008214713A (ja) * 2007-03-06 2008-09-18 Sumitomo Metal Ind Ltd 継目無鋼管用ビレットおよび継目無鋼管
JP2013234344A (ja) * 2012-05-07 2013-11-21 Kobe Steel Ltd 二相ステンレス鋼材および二相ステンレス鋼管
WO2014112445A1 (fr) * 2013-01-15 2014-07-24 株式会社神戸製鋼所 Matière d'acier inoxydable duplex et tuyau d'acier inoxydable duplex
JP2015078429A (ja) * 2013-09-11 2015-04-23 株式会社神戸製鋼所 二相ステンレス鋼材および二相ステンレス鋼管
JP2015110828A (ja) * 2013-11-05 2015-06-18 株式会社神戸製鋼所 二相ステンレス鋼材および二相ステンレス鋼管

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
JP2017095794A (ja) 2017-06-01
KR20180081582A (ko) 2018-07-16
EP3354762A1 (fr) 2018-08-01
CN108350541A (zh) 2018-07-31

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Ipc: C22C 38/44 20060101ALI20190318BHEP

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Ipc: C21D 8/02 20060101ALI20190318BHEP

Ipc: C22C 38/52 20060101ALI20190318BHEP

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Ipc: C22C 38/02 20060101ALI20190318BHEP

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Ipc: C22C 38/00 20060101AFI20190318BHEP

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