KR102684006B1 - 2상 스테인리스강 용접 조인트 및 그 제조 방법 - Google Patents

2상 스테인리스강 용접 조인트 및 그 제조 방법 Download PDF

Info

Publication number
KR102684006B1
KR102684006B1 KR1020217030232A KR20217030232A KR102684006B1 KR 102684006 B1 KR102684006 B1 KR 102684006B1 KR 1020217030232 A KR1020217030232 A KR 1020217030232A KR 20217030232 A KR20217030232 A KR 20217030232A KR 102684006 B1 KR102684006 B1 KR 102684006B1
Authority
KR
South Korea
Prior art keywords
less
stainless steel
base material
phase stainless
weld metal
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.)
Active
Application number
KR1020217030232A
Other languages
English (en)
Korean (ko)
Other versions
KR20210129161A (ko
Inventor
유우스케 오이카와
신지 즈게
후미노리 고노메
도요히코 가키하라
Original Assignee
닛테츠 스테인레스 가부시키가이샤
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 닛테츠 스테인레스 가부시키가이샤 filed Critical 닛테츠 스테인레스 가부시키가이샤
Publication of KR20210129161A publication Critical patent/KR20210129161A/ko
Application granted granted Critical
Publication of KR102684006B1 publication Critical patent/KR102684006B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C21D8/0205—
    • 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)
KR1020217030232A 2019-03-29 2020-03-27 2상 스테인리스강 용접 조인트 및 그 제조 방법 Active KR102684006B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019069005 2019-03-29
JPJP-P-2019-069005 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 (2)

Publication Number Publication Date
KR20210129161A KR20210129161A (ko) 2021-10-27
KR102684006B1 true KR102684006B1 (ko) 2024-07-12

Family

ID=72668202

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020217030232A Active KR102684006B1 (ko) 2019-03-29 2020-03-27 2상 스테인리스강 용접 조인트 및 그 제조 방법

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 (3)

* 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
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 (12)

* 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
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

Patent Citations (3)

* 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
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
JP7270724B2 (ja) 2023-05-10
CN113631732B (zh) 2023-03-21

Similar Documents

Publication Publication Date Title
KR102520119B1 (ko) 용접 구조물 및 그 제조 방법
KR102684006B1 (ko) 2상 스테인리스강 용접 조인트 및 그 제조 방법
JP6437062B2 (ja) クラッド鋼用二相ステンレス鋼及びクラッド鋼
CN104611624B (zh) 奥氏体系不锈钢
JP7469707B2 (ja) 二相ステンレス鋼溶接継手
JP5013030B1 (ja) 二相ステンレス溶接継手
JP5170351B1 (ja) 二相ステンレス鋼
WO2014112445A1 (ja) 二相ステンレス鋼材および二相ステンレス鋼管
KR20130036778A (ko) 용접 열 영향부의 내식성과 인성이 양호한 저합금 2상 스테인리스강
JP2008038214A (ja) 二相ステンレス鋼
WO2013058274A1 (ja) 二相ステンレス鋼、二相ステンレス鋼鋳片、および、二相ステンレス鋼鋼材
CA3078398A1 (en) Austenitic stainless steel
JP6247196B2 (ja) 二相ステンレス鋼材および二相ステンレス鋼管
JP6302793B2 (ja) 二相ステンレス鋼材および二相ステンレス鋼管
JP6200851B2 (ja) 二相ステンレス鋼材および二相ステンレス鋼管
JP2016084522A (ja) 二相ステンレス鋼材および二相ステンレス鋼管
JP3531351B2 (ja) 溶接構造物およびその製造方法
US12054818B2 (en) Duplex stainless steel tube and welded joint
JP2005133145A (ja) 熱間加工性および耐食性に優れたオーステナイト系ステンレス鋼
JP2025027343A (ja) フェライト・オーステナイト系二相ステンレス鋼材及びフェライト・オーステナイト系二相ステンレス鋼溶接構造体
JP2022152427A (ja) 二相ステンレス鋼鍛造材およびその製造方法
JP2005133144A (ja) 熱間加工性および耐食性に優れたオーステナイト系ステンレス鋼
JP2016084523A (ja) 二相ステンレス鋼材および二相ステンレス鋼管

Legal Events

Date Code Title Description
A201 Request for examination
E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

AMND Amendment
P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

AMND Amendment
P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E601 Decision to refuse application
PE0601 Decision on rejection of patent

St.27 status event code: N-2-6-B10-B15-exm-PE0601

AMND Amendment
E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PX0901 Re-examination

St.27 status event code: A-2-3-E10-E12-rex-PX0901

PX0701 Decision of registration after re-examination

St.27 status event code: A-3-4-F10-F13-rex-PX0701

X701 Decision to grant (after re-examination)
GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

P22-X000 Classification modified

St.27 status event code: A-4-4-P10-P22-nap-X000