KR101767778B1 - 응력부식균열 저항성 및 저온인성이 우수한 저항복비 고강도 강재 - Google Patents

응력부식균열 저항성 및 저온인성이 우수한 저항복비 고강도 강재 Download PDF

Info

Publication number
KR101767778B1
KR101767778B1 KR1020150185496A KR20150185496A KR101767778B1 KR 101767778 B1 KR101767778 B1 KR 101767778B1 KR 1020150185496 A KR1020150185496 A KR 1020150185496A KR 20150185496 A KR20150185496 A KR 20150185496A KR 101767778 B1 KR101767778 B1 KR 101767778B1
Authority
KR
South Korea
Prior art keywords
less
steel
temperature
stress corrosion
low
Prior art date
Application number
KR1020150185496A
Other languages
English (en)
Korean (ko)
Other versions
KR20170075933A (ko
Inventor
장성호
이학철
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 KR1020150185496A priority Critical patent/KR101767778B1/ko
Priority to PCT/KR2016/015156 priority patent/WO2017111526A1/ko
Priority to CA3009137A priority patent/CA3009137C/en
Priority to JP2018532057A priority patent/JP6691217B2/ja
Priority to US16/063,886 priority patent/US20180371588A1/en
Priority to CN201680075892.9A priority patent/CN108431274B/zh
Priority to EP16879393.3A priority patent/EP3395987B1/en
Publication of KR20170075933A publication Critical patent/KR20170075933A/ko
Application granted granted Critical
Publication of KR101767778B1 publication Critical patent/KR101767778B1/ko

Links

Images

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
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/001—Heat treatment of ferrous alloys containing Ni
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • 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
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
    • 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
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • 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
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
    • 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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • C21D2211/002—Bainite
    • 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
    • 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
    • C21D2211/008—Martensite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
KR1020150185496A 2015-12-23 2015-12-23 응력부식균열 저항성 및 저온인성이 우수한 저항복비 고강도 강재 KR101767778B1 (ko)

Priority Applications (7)

Application Number Priority Date Filing Date Title
KR1020150185496A KR101767778B1 (ko) 2015-12-23 2015-12-23 응력부식균열 저항성 및 저온인성이 우수한 저항복비 고강도 강재
PCT/KR2016/015156 WO2017111526A1 (ko) 2015-12-23 2016-12-23 응력부식균열 저항성 및 저온인성이 우수한 저항복비 고강도 강재
CA3009137A CA3009137C (en) 2015-12-23 2016-12-23 Low-yield ratio and high-strength steel having excellent stress corrosion cracking resistance and low temperature toughness
JP2018532057A JP6691217B2 (ja) 2015-12-23 2016-12-23 応力腐食割れ抵抗性及び低温靭性に優れた低降伏比高強度鋼材及びその製造方法
US16/063,886 US20180371588A1 (en) 2015-12-23 2016-12-23 Low yield ratio and high-strength steel having excellent stress corrosion cracking resistance and low temperature toughness
CN201680075892.9A CN108431274B (zh) 2015-12-23 2016-12-23 抗应力腐蚀开裂性及低温韧性优异的低屈强比高强度钢材
EP16879393.3A EP3395987B1 (en) 2015-12-23 2016-12-23 Low-yield ratio and high-strength steel having excellent stress corrosion cracking resistance and low temperature toughness

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150185496A KR101767778B1 (ko) 2015-12-23 2015-12-23 응력부식균열 저항성 및 저온인성이 우수한 저항복비 고강도 강재

Publications (2)

Publication Number Publication Date
KR20170075933A KR20170075933A (ko) 2017-07-04
KR101767778B1 true KR101767778B1 (ko) 2017-08-14

Family

ID=59089647

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150185496A KR101767778B1 (ko) 2015-12-23 2015-12-23 응력부식균열 저항성 및 저온인성이 우수한 저항복비 고강도 강재

Country Status (7)

Country Link
US (1) US20180371588A1 (zh)
EP (1) EP3395987B1 (zh)
JP (1) JP6691217B2 (zh)
KR (1) KR101767778B1 (zh)
CN (1) CN108431274B (zh)
CA (1) CA3009137C (zh)
WO (1) WO2017111526A1 (zh)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101999018B1 (ko) * 2017-12-24 2019-07-10 주식회사 포스코 저온인성이 우수한 후강판 및 그 제조방법
KR102164097B1 (ko) * 2018-10-26 2020-10-12 주식회사 포스코 황화물 응력부식 균열 저항성이 우수한 고강도 강재의 제조방법
KR102307946B1 (ko) * 2019-12-09 2021-09-30 주식회사 포스코 내해수성이 우수한 구조용 강판 및 이의 제조방법
KR102326109B1 (ko) * 2019-12-16 2021-11-16 주식회사 포스코 황화물 응력부식 균열 저항성이 우수한 강재 및 이의 제조방법
KR102400036B1 (ko) * 2020-04-13 2022-05-19 주식회사 포스코 저온인성이 우수한 저항복비 강판 및 그 제조방법
CN112342458B (zh) * 2020-09-01 2022-01-11 南京钢铁股份有限公司 一种低屈强比抗应力腐蚀开裂高强钢及制备方法
CN113832399B (zh) * 2021-09-23 2022-10-11 马鞍山钢铁股份有限公司 一种经济型抗硫化氢腐蚀管线钢及其生产方法
CN113913695B (zh) * 2021-10-13 2022-10-18 鞍钢股份有限公司 耐腐蚀抗疲劳水下油气采输用管线钢及其生产方法
CN114005602A (zh) * 2021-11-02 2022-02-01 兰州理工大学 一种低碳高强度低电阻率电缆线芯材、制备方法及应用
JP7364137B1 (ja) 2022-04-20 2023-10-18 Ｊｆｅスチール株式会社 鋼板およびその製造方法
WO2023203702A1 (ja) * 2022-04-20 2023-10-26 Ｊｆｅスチール株式会社 鋼板およびその製造方法
JP7401838B1 (ja) 2023-05-18 2023-12-20 日本製鉄株式会社 液体アンモニア中応力腐食割れ特性の評価方法
JP7401839B1 (ja) 2023-05-18 2023-12-20 日本製鉄株式会社 液体アンモニア中応力腐食割れ特性の評価方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003321727A (ja) 2002-05-01 2003-11-14 Kobe Steel Ltd 曲げ加工性に優れた低降伏比型高張力鋼板およびその製造方法
JP2012107310A (ja) * 2010-10-28 2012-06-07 Jfe Steel Corp 非調質低降伏比高張力鋼板およびその製造方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58153730A (ja) 1982-03-05 1983-09-12 Sumitomo Metal Ind Ltd 低温用高張力鋼板の製造方法
JPS63290246A (ja) 1987-05-22 1988-11-28 Kawasaki Steel Corp 溶接部靭性の優れた低温用鋼
JPH0417613A (ja) 1990-05-12 1992-01-22 Nippon Steel Corp 耐応力腐食割れ特性に優れた高張力鋼の製造方法
JPH07188742A (ja) * 1993-12-28 1995-07-25 Kawasaki Steel Corp 低温用鋼の製造方法
JPH08209239A (ja) * 1995-02-01 1996-08-13 Kobe Steel Ltd −５０℃以下の脆性亀裂伝播停止特性を有する低温用厚鋼材の製造方法
JPH0987802A (ja) * 1995-09-21 1997-03-31 Kobe Steel Ltd 耐めっき割れ性に優れた高張力鋼板およびその製造方法
JP2003003228A (ja) * 2001-06-19 2003-01-08 Nippon Steel Corp 溶接継手低温靭性と応力腐食割れ特性とに優れた鋼材及びその製造方法
CN1809648B (zh) * 2003-06-19 2010-07-21 住友金属工业株式会社 耐疲劳龟裂进展特性优异的钢材与制造方法
CN101289728B (zh) * 2007-04-20 2010-05-19 宝山钢铁股份有限公司 低屈强比可大线能量焊接高强高韧性钢板及其制造方法
JP5031531B2 (ja) * 2007-11-20 2012-09-19 新日本製鐵株式会社 母材低温靭性およびｈａｚ低温靭性に優れた低降伏比高張力鋼板とその製造方法
CN101883875B (zh) * 2007-12-04 2012-10-10 Posco公司 具有出色低温韧性的高强度钢板及其制造方法
KR101304824B1 (ko) * 2009-12-28 2013-09-05 주식회사 포스코 라인 파이프용 ａｐｉ 강판 및 그 제조방법
KR101181247B1 (ko) * 2010-04-20 2012-09-10 한국기계연구원 변형능과 저온인성이 우수한 기가급 초고강도 강판 및 이의 제조방법
CN101906568B (zh) * 2010-08-12 2011-12-07 中国石油天然气集团公司 一种高钢级大应变管线钢和钢管的制造方法
KR20130110643A (ko) * 2012-03-29 2013-10-10 현대제철 주식회사 강판 및 그 제조 방법
KR101465088B1 (ko) * 2012-08-17 2014-11-26 포항공과대학교 산학협력단 저온 인성이 우수한 저탄소 고강도 강판 및 그 제조방법
KR101482359B1 (ko) * 2012-12-27 2015-01-13 주식회사 포스코 극저온 인성이 우수하고 저항복비 특성을 갖는 고강도 강판 및 그의 제조방법

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003321727A (ja) 2002-05-01 2003-11-14 Kobe Steel Ltd 曲げ加工性に優れた低降伏比型高張力鋼板およびその製造方法
JP2012107310A (ja) * 2010-10-28 2012-06-07 Jfe Steel Corp 非調質低降伏比高張力鋼板およびその製造方法

Also Published As

Publication number Publication date
CN108431274B (zh) 2021-12-07
EP3395987A4 (en) 2018-11-07
EP3395987B1 (en) 2020-04-29
JP2019504200A (ja) 2019-02-14
CA3009137C (en) 2021-04-13
WO2017111526A1 (ko) 2017-06-29
EP3395987A1 (en) 2018-10-31
US20180371588A1 (en) 2018-12-27
CN108431274A (zh) 2018-08-21
JP6691217B2 (ja) 2020-04-28
KR20170075933A (ko) 2017-07-04
CA3009137A1 (en) 2017-06-29

Similar Documents

Publication Publication Date Title
KR101767778B1 (ko) 응력부식균열 저항성 및 저온인성이 우수한 저항복비 고강도 강재
KR101657828B1 (ko) Ｐｗｈｔ 후 인성이 우수한 고강도 압력용기용 강재 및 그 제조방법
JP7161536B2 (ja) 引張強度及び低温衝撃靭性に優れた圧力容器用鋼板及びその製造方法
JP6616006B2 (ja) 低温歪み時効衝撃特性及び溶接熱影響部衝撃特性に優れた高強度鋼材及びその製造方法
KR101482359B1 (ko) 극저온 인성이 우수하고 저항복비 특성을 갖는 고강도 강판 및 그의 제조방법
KR102209581B1 (ko) 용접열영향부 인성이 우수한 강재 및 이의 제조방법
KR101467049B1 (ko) 라인파이프용 강판 및 그 제조 방법
JP2024500851A (ja) 低温衝撃靭性に優れた極厚物鋼材及びその製造方法
EP3730655B1 (en) High strength steel plate and manufacturing method therefor
KR101304822B1 (ko) 피로균열 진전 억제 특성이 우수한 초고강도 강판 및 그 제조방법
KR101412432B1 (ko) 압력용기 강재 제조 방법
KR20180073207A (ko) 저온인성과 암모니아 응력부식균열(scc) 저항성이 우수한 고강도 저항복비 강재 및 그 제조방법
KR20160078849A (ko) 충격인성이 우수한 저항복비형 고강도 강재 및 그 제조방법
KR102131537B1 (ko) 수소유기균열 저항성이 우수한 압력용기용 강재 및 그 제조방법
KR102131536B1 (ko) 수소유기균열 저항성이 우수한 압력용기용 강재 및 그 제조방법
KR20130002175A (ko) 강재 및 그 제조 방법과, 이를 이용한 강관 제조 방법
KR20160078772A (ko) 용접열영향부 인성이 우수한 강재 및 그 제조방법
KR101647226B1 (ko) 파괴전파 저항성 및 항복비 특성이 우수한 강재 및 그 제조방법
KR101615029B1 (ko) 강판 및 그 제조 방법
KR102413841B1 (ko) 우수한 용접후 열처리 강도 및 저온 인성을 가지는 강재 및 그 제조방법
KR101507943B1 (ko) 라인파이프 강재 및 그 제조방법
KR101999016B1 (ko) 용접열영향부 인성이 우수한 고강도 강재 및 그 제조방법
KR101746973B1 (ko) 저온 변형시효 충격특성이 우수한 고강도 강재 및 이의 제조방법
KR101467030B1 (ko) 고강도 강판 제조 방법
KR101412372B1 (ko) 열연강판 및 그 제조 방법

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant