WO2010002150A3 - 용접부의 가공성이 우수한 페라이트계 스테인리스강, 이를 이용한 용접강관 및 그 제조방법 - Google Patents

용접부의 가공성이 우수한 페라이트계 스테인리스강, 이를 이용한 용접강관 및 그 제조방법 Download PDF

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Publication number
WO2010002150A3
WO2010002150A3 PCT/KR2009/003474 KR2009003474W WO2010002150A3 WO 2010002150 A3 WO2010002150 A3 WO 2010002150A3 KR 2009003474 W KR2009003474 W KR 2009003474W WO 2010002150 A3 WO2010002150 A3 WO 2010002150A3
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WO
WIPO (PCT)
Prior art keywords
welded
steel pipe
same
excellent workability
stainless steel
Prior art date
Application number
PCT/KR2009/003474
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English (en)
French (fr)
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WO2010002150A2 (ko
Inventor
우인수
김정길
엄상호
이원배
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 JP2011516138A priority Critical patent/JP5362825B2/ja
Priority to CN2009801320841A priority patent/CN102124134A/zh
Publication of WO2010002150A2 publication Critical patent/WO2010002150A2/ko
Publication of WO2010002150A3 publication Critical patent/WO2010002150A3/ko

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Classifications

    • 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
    • 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
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
    • 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

Abstract

본 발명은 용접부의 가공성이 우수한 페라이트계 스테인리스강, 레이저 용접강관 및 그 용접강관의 제조방법에 관한 것이다. 본 발명은 중량%로, C: 0.01%이하, N: 0.01%이하, Si: 0.8~1.0%, Mn: 0.5%이하, Cr: 13.7~14.3%, Cu: 0.1~0.3%, Nb: 0.3~0.4%, Ti: 0.1~0.2%를 포함하고, 나머지는 Fe 및 기타 불가피한 불순물로 이루어지는 것을 특징으로 하는 용접부의 가공성이 우수한 스테인리스강을 제공한다. 또한 본 발명은 상기 스테인리스강으로부터 용접강관 제조시 강관의 경도비(HAZ/모재)가 0.98~1.05인 용접부의 가공성이 우수한 스테인리스 용접강관을 제공하고, 이 용접강관을 제조하는 방법을 제공한다.
PCT/KR2009/003474 2008-07-01 2009-06-26 용접부의 가공성이 우수한 페라이트계 스테인리스강, 이를 이용한 용접강관 및 그 제조방법 WO2010002150A2 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2011516138A JP5362825B2 (ja) 2008-07-01 2009-06-26 溶接部の加工性に優れたフェライト系ステンレス鋼、これを用いた溶接鋼管及びその製造方法
CN2009801320841A CN102124134A (zh) 2008-07-01 2009-06-26 焊接部加工性出色的铁素体不锈钢、使用该不锈钢的焊制钢管和该钢管的制备方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2008-0063466 2008-07-01
KR1020080063466A KR101008180B1 (ko) 2008-07-01 2008-07-01 용접부의 가공성이 우수한 페라이트계 스테인리스강, 이를이용한 용접강관 및 그 제조방법

Publications (2)

Publication Number Publication Date
WO2010002150A2 WO2010002150A2 (ko) 2010-01-07
WO2010002150A3 true WO2010002150A3 (ko) 2010-04-08

Family

ID=41466433

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/003474 WO2010002150A2 (ko) 2008-07-01 2009-06-26 용접부의 가공성이 우수한 페라이트계 스테인리스강, 이를 이용한 용접강관 및 그 제조방법

Country Status (4)

Country Link
JP (1) JP5362825B2 (ko)
KR (1) KR101008180B1 (ko)
CN (1) CN102124134A (ko)
WO (1) WO2010002150A2 (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101359085B1 (ko) 2011-12-27 2014-02-06 동원파이프 주식회사 고강도 고주파용접 강관 및 그 제조방법
WO2017164431A1 (ko) * 2016-03-22 2017-09-28 주식회사 다원시스 필러 와이어 공정을 위한 하이브리드 가열 방법 및 시스템
CN110709203B (zh) * 2017-01-31 2022-04-15 努布鲁有限公司 使用蓝色激光焊接铜的方法和系统
KR102259806B1 (ko) * 2019-08-05 2021-06-03 주식회사 포스코 고온 내크립 특성이 향상된 페라이트계 스테인리스강 및 그 제조 방법

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05277769A (ja) * 1992-03-30 1993-10-26 Sumitomo Metal Ind Ltd 高加工性溶接鋼管の製造方法
JPH09125209A (ja) * 1995-11-02 1997-05-13 Nisshin Steel Co Ltd 耐二次加工割れ性に優れたフェライト系ステンレス鋼パイプおよびその製造方法
KR100805059B1 (ko) * 2006-10-18 2008-02-20 주식회사 포스코 페라이트계 스테인리스강의 레이저 용접 방법
KR20080053718A (ko) * 2006-12-11 2008-06-16 주식회사 포스코 용접부의 저온 가공성이 우수한 페라이트계 스테인리스강

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07265941A (ja) * 1994-03-30 1995-10-17 Nisshin Steel Co Ltd ロールレス造管法による加工性に優れた溶接管の製造方法
FR2870766B1 (fr) * 2004-05-26 2007-07-20 Air Liquide Procede de soudage laser ou hybride laser-arc avec formation d'un plasma cote envers

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05277769A (ja) * 1992-03-30 1993-10-26 Sumitomo Metal Ind Ltd 高加工性溶接鋼管の製造方法
JPH09125209A (ja) * 1995-11-02 1997-05-13 Nisshin Steel Co Ltd 耐二次加工割れ性に優れたフェライト系ステンレス鋼パイプおよびその製造方法
KR100805059B1 (ko) * 2006-10-18 2008-02-20 주식회사 포스코 페라이트계 스테인리스강의 레이저 용접 방법
KR20080053718A (ko) * 2006-12-11 2008-06-16 주식회사 포스코 용접부의 저온 가공성이 우수한 페라이트계 스테인리스강

Also Published As

Publication number Publication date
JP5362825B2 (ja) 2013-12-11
CN102124134A (zh) 2011-07-13
KR101008180B1 (ko) 2011-01-14
KR20100003529A (ko) 2010-01-11
WO2010002150A2 (ko) 2010-01-07
JP2011526654A (ja) 2011-10-13

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