KR20200015265A - 용접부 저온인성이 우수한 Ti, Nb 첨가 페라이트계 스테인리스강 - Google Patents

용접부 저온인성이 우수한 Ti, Nb 첨가 페라이트계 스테인리스강 Download PDF

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Publication number
KR20200015265A
KR20200015265A KR1020180090874A KR20180090874A KR20200015265A KR 20200015265 A KR20200015265 A KR 20200015265A KR 1020180090874 A KR1020180090874 A KR 1020180090874A KR 20180090874 A KR20180090874 A KR 20180090874A KR 20200015265 A KR20200015265 A KR 20200015265A
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KR
South Korea
Prior art keywords
stainless steel
ferritic stainless
temperature toughness
weld
cao
Prior art date
Application number
KR1020180090874A
Other languages
English (en)
Korean (ko)
Inventor
김종철
김완이
정일찬
김진석
안덕찬
Original Assignee
주식회사 포스코
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 주식회사 포스코 filed Critical 주식회사 포스코
Priority to KR1020180090874A priority Critical patent/KR20200015265A/ko
Priority to PCT/KR2018/013229 priority patent/WO2020027380A1/ko
Priority to US17/265,374 priority patent/US20210310105A1/en
Priority to EP18928736.0A priority patent/EP3831978A4/en
Priority to CN201880097237.2A priority patent/CN112654727A/zh
Publication of KR20200015265A publication Critical patent/KR20200015265A/ko

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    • 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
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/005—Manufacture of stainless steel
    • 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
    • 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
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • 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
KR1020180090874A 2018-08-03 2018-08-03 용접부 저온인성이 우수한 Ti, Nb 첨가 페라이트계 스테인리스강 KR20200015265A (ko)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020180090874A KR20200015265A (ko) 2018-08-03 2018-08-03 용접부 저온인성이 우수한 Ti, Nb 첨가 페라이트계 스테인리스강
PCT/KR2018/013229 WO2020027380A1 (ko) 2018-08-03 2018-11-02 용접부 저온인성이 우수한 ti, nb 첨가 페라이트계 스테인리스강
US17/265,374 US20210310105A1 (en) 2018-08-03 2018-11-02 Ti- and nb-added ferritic stainless steel excellent in low-temperature toughness of welds
EP18928736.0A EP3831978A4 (en) 2018-08-03 2018-11-02 FERRITIC STAINLESS STEEL WITH THE ADDITION OF TI AND NB WITH EXCELLENT TENACITY OF LOW TEMPERATURE WELDING
CN201880097237.2A CN112654727A (zh) 2018-08-03 2018-11-02 焊接部的低温韧性优异的添加ti和nb的铁素体不锈钢

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020180090874A KR20200015265A (ko) 2018-08-03 2018-08-03 용접부 저온인성이 우수한 Ti, Nb 첨가 페라이트계 스테인리스강

Publications (1)

Publication Number Publication Date
KR20200015265A true KR20200015265A (ko) 2020-02-12

Family

ID=69231991

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020180090874A KR20200015265A (ko) 2018-08-03 2018-08-03 용접부 저온인성이 우수한 Ti, Nb 첨가 페라이트계 스테인리스강

Country Status (5)

Country Link
US (1) US20210310105A1 (zh)
EP (1) EP3831978A4 (zh)
KR (1) KR20200015265A (zh)
CN (1) CN112654727A (zh)
WO (1) WO2020027380A1 (zh)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000001715A (ko) 1998-06-12 2000-01-15 조현정 약품 재고 관리 시스템
JP2001254153A (ja) 2000-03-10 2001-09-18 Nippon Steel Corp 溶接性に優れたフェライト系ステンレス鋼
KR20110074217A (ko) 2009-12-24 2011-06-30 주식회사 포스코 티타늄 첨가 페리이트계 스테인리스강 주편 등축정율 향상방법

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08176750A (ja) * 1994-12-28 1996-07-09 Nippon Steel Corp ベローズ加工用フェライト系ステンレス鋼
JPH08333656A (ja) * 1995-06-05 1996-12-17 Nippon Steel Corp ベローズ用フェライト系ステンレス鋼管
JP4055252B2 (ja) 1998-06-18 2008-03-05 Ｊｆｅスチール株式会社 含クロム鋼の溶製方法
KR100547536B1 (ko) * 2002-03-27 2006-01-31 신닛뽄세이테쯔 카부시키카이샤 페라이트계 스테인레스 강의 주조 부재 및 강판과 그 제조방법
JP3837083B2 (ja) * 2002-04-16 2006-10-25 新日本製鐵株式会社 溶接熱影響部靭性の優れた１パス大入熱溶接方法
JP4309140B2 (ja) * 2003-01-15 2009-08-05 新日鐵住金ステンレス株式会社 自動車排気系機器用フェライト系ステンレス鋼
KR100718410B1 (ko) * 2005-12-09 2007-05-14 가부시키가이샤 고베 세이코쇼 용접이음부의 저온 인성이 우수한 강판
KR20070068211A (ko) * 2005-12-26 2007-06-29 주식회사 포스코 대입열 용접에 적용되는 용접용 강재의 제조 방법 및대입열 용접에 의해 제조된 용접 구조물
KR100856306B1 (ko) * 2006-12-11 2008-09-03 주식회사 포스코 용접부의 저온 가공성이 우수한 페라이트계 스테인리스강
JP2009091654A (ja) * 2007-09-18 2009-04-30 Jfe Steel Kk 溶接性に優れたフェライト系ステンレス鋼
KR20100077244A (ko) * 2008-12-29 2010-07-08 주식회사 포스코 표면품질이 우수한 페라이트계 스테인리스강 및 그의 제조방법
JP5242495B2 (ja) * 2009-05-08 2013-07-24 新日鐵住金ステンレス株式会社 高温耐久性に優れたボス材用フェライト系ステンレス鋼線
JP6207513B2 (ja) * 2013-03-29 2017-10-04 新日鐵住金ステンレス株式会社 冷間鍛造性及び切削性に優れたフェライト系ステンレス鋼線
KR101851245B1 (ko) * 2016-06-23 2018-04-25 주식회사 포스코 용접부 저온인성이 우수한 페라이트계 스테인리스강

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000001715A (ko) 1998-06-12 2000-01-15 조현정 약품 재고 관리 시스템
JP2001254153A (ja) 2000-03-10 2001-09-18 Nippon Steel Corp 溶接性に優れたフェライト系ステンレス鋼
KR20110074217A (ko) 2009-12-24 2011-06-30 주식회사 포스코 티타늄 첨가 페리이트계 스테인리스강 주편 등축정율 향상방법

Also Published As

Publication number Publication date
EP3831978A4 (en) 2021-09-08
WO2020027380A1 (ko) 2020-02-06
CN112654727A (zh) 2021-04-13
EP3831978A1 (en) 2021-06-09
US20210310105A1 (en) 2021-10-07

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