JP7270724B2 - 二相ステンレス鋼溶接継手及びその製造方法 - Google Patents

二相ステンレス鋼溶接継手及びその製造方法 Download PDF

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Publication number
JP7270724B2
JP7270724B2 JP2021512091A JP2021512091A JP7270724B2 JP 7270724 B2 JP7270724 B2 JP 7270724B2 JP 2021512091 A JP2021512091 A JP 2021512091A JP 2021512091 A JP2021512091 A JP 2021512091A JP 7270724 B2 JP7270724 B2 JP 7270724B2
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Japan
Prior art keywords
less
stainless steel
duplex stainless
content
weld
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Japanese (ja)
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JPWO2020203931A1 (https=
JPWO2020203931A5 (https=
Inventor
雄介 及川
信二 柘植
文則 江目
豊彦 柿原
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Nippon Steel Stainless Steel Corp
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Nippon Steel Stainless Steel Corp
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/23Arc welding or cutting taking account of the properties of the materials to be welded
    • 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
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • 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
    • C22C38/18Ferrous 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
    • C22C38/58Ferrous 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/001Austenite

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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)
  • Plasma & Fusion (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Arc Welding In General (AREA)
  • Heat Treatment Of Steel (AREA)
JP2021512091A 2019-03-29 2020-03-27 二相ステンレス鋼溶接継手及びその製造方法 Active JP7270724B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019069005 2019-03-29
JP2019069005 2019-03-29
PCT/JP2020/014390 WO2020203931A1 (ja) 2019-03-29 2020-03-27 二相ステンレス鋼溶接継手及びその製造方法

Publications (3)

Publication Number Publication Date
JPWO2020203931A1 JPWO2020203931A1 (https=) 2020-10-08
JPWO2020203931A5 JPWO2020203931A5 (https=) 2022-01-19
JP7270724B2 true JP7270724B2 (ja) 2023-05-10

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ID=72668202

Family Applications (1)

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JP2021512091A Active JP7270724B2 (ja) 2019-03-29 2020-03-27 二相ステンレス鋼溶接継手及びその製造方法

Country Status (6)

Country Link
JP (1) JP7270724B2 (https=)
KR (1) KR102684006B1 (https=)
CN (1) CN113631732B (https=)
MY (1) MY205267A (https=)
PH (1) PH12021552396A1 (https=)
WO (1) WO2020203931A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7832433B2 (ja) * 2021-06-04 2026-03-18 日本製鉄株式会社 水門用溶接構造物およびその製造方法
JP2023118656A (ja) * 2022-02-15 2023-08-25 日鉄ステンレス株式会社 二相ステンレス鋼および二相ステンレス鋼の製造方法
JP7673820B2 (ja) * 2022-07-29 2025-05-09 Jfeスチール株式会社 耐微生物応力腐食割れ低合金鋼材
JP7804046B1 (ja) * 2024-12-12 2026-01-21 株式会社Uex 溶接継手の製造方法、溶接継手の製造条件の算出方法および溶接継手
CN120079973B (zh) * 2025-04-30 2025-07-08 佛山市双怡电器科技实业有限公司 一种用于空调管路自动焊方法及焊接系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004360035A (ja) 2003-06-06 2004-12-24 Sanyo Special Steel Co Ltd 耐応力腐食割れ性に優れた二相系ステンレス鋼
CN102605288A (zh) 2012-03-13 2012-07-25 宝山钢铁股份有限公司 一种具有良好焊接性的经济型双相不锈钢及其制造方法
JP2012140689A (ja) 2011-01-06 2012-07-26 Sanyo Special Steel Co Ltd 靭性に優れた二相系ステンレス鋼
WO2012111535A1 (ja) 2011-02-14 2012-08-23 住友金属工業株式会社 二相ステンレス溶接継手
JP2017179427A (ja) 2016-03-29 2017-10-05 新日鐵住金ステンレス株式会社 二相ステンレス鋼の溶接継手、二相ステンレス鋼の溶接方法および二相ステンレス鋼の溶接継手の製造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5180611A (en) * 1975-01-10 1976-07-14 Toyo Soda Mfg Co Ltd Anmoniasoodaho mataha enansoodahosochotaishokukinzokuzairyo
JPS5345070U (https=) 1976-09-22 1978-04-17
US4832765A (en) * 1983-01-05 1989-05-23 Carpenter Technology Corporation Duplex alloy
JPS62267452A (ja) * 1986-05-15 1987-11-20 Nisshin Steel Co Ltd 溶接部の耐食性に優れた二相ステンレス鋼
JP3201178B2 (ja) * 1994-11-01 2001-08-20 住友金属工業株式会社 2相ステンレス鋼溶接管の製造方法
JPH1060597A (ja) * 1996-08-14 1998-03-03 Sumitomo Metal Ind Ltd 靱性に優れた高強度二相ステンレス鋼
JP5868206B2 (ja) * 2011-03-09 2016-02-24 新日鐵住金ステンレス株式会社 溶接部耐食性に優れた二相ステンレス鋼
JP5857914B2 (ja) * 2012-08-23 2016-02-10 新日鐵住金株式会社 二相ステンレス鋼用溶接材料
CN102941402B (zh) * 2012-11-09 2016-04-20 太原科技大学 一种超级双相不锈钢的焊接方法
JP6614785B2 (ja) * 2015-03-30 2019-12-04 日鉄ステンレス株式会社 レーザ溶接部の特性が良好な省合金二相ステンレス鋼レーザ溶接部材および省合金二相ステンレス鋼レーザ溶接部材の製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004360035A (ja) 2003-06-06 2004-12-24 Sanyo Special Steel Co Ltd 耐応力腐食割れ性に優れた二相系ステンレス鋼
JP2012140689A (ja) 2011-01-06 2012-07-26 Sanyo Special Steel Co Ltd 靭性に優れた二相系ステンレス鋼
WO2012111535A1 (ja) 2011-02-14 2012-08-23 住友金属工業株式会社 二相ステンレス溶接継手
CN102605288A (zh) 2012-03-13 2012-07-25 宝山钢铁股份有限公司 一种具有良好焊接性的经济型双相不锈钢及其制造方法
JP2017179427A (ja) 2016-03-29 2017-10-05 新日鐵住金ステンレス株式会社 二相ステンレス鋼の溶接継手、二相ステンレス鋼の溶接方法および二相ステンレス鋼の溶接継手の製造方法

Also Published As

Publication number Publication date
WO2020203931A1 (ja) 2020-10-08
KR20210129161A (ko) 2021-10-27
CN113631732A (zh) 2021-11-09
JPWO2020203931A1 (https=) 2020-10-08
PH12021552396A1 (en) 2022-06-13
MY205267A (en) 2024-10-10
KR102684006B1 (ko) 2024-07-12
CN113631732B (zh) 2023-03-21

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