PH12021552396A1 - Duplex stainless steel welded joint and method of production thereof - Google Patents

Duplex stainless steel welded joint and method of production thereof

Info

Publication number
PH12021552396A1
PH12021552396A1 PH1/2021/552396A PH12021552396A PH12021552396A1 PH 12021552396 A1 PH12021552396 A1 PH 12021552396A1 PH 12021552396 A PH12021552396 A PH 12021552396A PH 12021552396 A1 PH12021552396 A1 PH 12021552396A1
Authority
PH
Philippines
Prior art keywords
stainless steel
duplex stainless
welded joint
formula
production
Prior art date
Application number
PH1/2021/552396A
Other languages
English (en)
Inventor
Fuminori Gohnome
Toyohiko Kakihara
Yuusuke Oikawa
Shinji Tsuge
Original Assignee
Nippon Steel Stainless 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 Stainless Steel Corp filed Critical Nippon Steel Stainless Steel Corp
Publication of PH12021552396A1 publication Critical patent/PH12021552396A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/23—Arc welding or cutting taking account of the properties of the materials to be welded
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • 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
    • 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
    • C22C38/18—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
    • C22C38/58—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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite

Landscapes

  • 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)
PH1/2021/552396A 2019-03-29 2020-03-27 Duplex stainless steel welded joint and method of production thereof PH12021552396A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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 (1)

Publication Number Publication Date
PH12021552396A1 true PH12021552396A1 (en) 2022-06-13

Family

ID=72668202

Family Applications (1)

Application Number Title Priority Date Filing Date
PH1/2021/552396A PH12021552396A1 (en) 2019-03-29 2020-03-27 Duplex stainless steel welded joint and method of production thereof

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

Family Cites Families (15)

* 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
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
JP5726537B2 (ja) * 2011-01-06 2015-06-03 山陽特殊製鋼株式会社 靭性に優れた二相系ステンレス鋼
AU2012218659B2 (en) * 2011-02-14 2014-07-10 Nippon Steel Corporation Welded duplex stainless joint
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
CN102605288B (zh) * 2012-03-13 2015-03-25 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
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
JP6726499B2 (ja) * 2016-03-29 2020-07-22 日鉄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
MY205267A (en) 2024-10-10
JP7270724B2 (ja) 2023-05-10
KR102684006B1 (ko) 2024-07-12
CN113631732B (zh) 2023-03-21

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