CN109328240B - 低屈强比特性和低温韧性优异的高强度钢板及其制造方法 - Google Patents

低屈强比特性和低温韧性优异的高强度钢板及其制造方法 Download PDF

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CN109328240B
CN109328240B CN201780039727.2A CN201780039727A CN109328240B CN 109328240 B CN109328240 B CN 109328240B CN 201780039727 A CN201780039727 A CN 201780039727A CN 109328240 B CN109328240 B CN 109328240B
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steel sheet
low
yield ratio
less
strength
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CN109328240A (zh
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金佑谦
房基铉
严庆根
刘承皓
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Posco Holdings Inc
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Posco Co Ltd
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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
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing 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
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • C21D1/28—Normalising
    • 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
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • C22C38/02—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
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite
    • 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

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  • 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)
CN201780039727.2A 2016-07-01 2017-06-30 低屈强比特性和低温韧性优异的高强度钢板及其制造方法 Active CN109328240B (zh)

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KR10-2016-0083588 2016-07-01
KR1020160083588A KR101799202B1 (ko) 2016-07-01 2016-07-01 저항복비 특성 및 저온인성이 우수한 고강도 강판 및 그 제조방법
PCT/KR2017/006956 WO2018004297A1 (ko) 2016-07-01 2017-06-30 저항복비 특성 및 저온인성이 우수한 고강도 강판 및 그 제조방법

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CN109328240B true CN109328240B (zh) 2022-05-17

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EP (1) EP3480332B1 (ko)
JP (1) JP6771047B2 (ko)
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WO (1) WO2018004297A1 (ko)

Families Citing this family (6)

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Publication number Priority date Publication date Assignee Title
KR101917451B1 (ko) * 2016-12-21 2018-11-09 주식회사 포스코 저온인성이 우수한 저항복비 강판 및 그 제조방법
KR102236852B1 (ko) 2018-11-30 2021-04-06 주식회사 포스코 우수한 저항복비 및 저온인성 특성을 가지는 구조용강 및 그 제조방법
CN110373524B (zh) * 2019-07-16 2021-05-04 河钢股份有限公司承德分公司 一种90公斤级焊丝用钢热处理软化工艺
JP7330862B2 (ja) * 2019-11-01 2023-08-22 株式会社神戸製鋼所 母材と継手の低温靭性に優れた高張力鋼板およびその製造方法
JP7338811B1 (ja) 2022-04-20 2023-09-05 Ｊｆｅスチール株式会社 鋼板およびその製造方法
WO2023203815A1 (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

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07278656A (ja) * 1994-04-04 1995-10-24 Nippon Steel Corp 低降伏比高張力鋼の製造方法
JPH09256037A (ja) * 1996-03-22 1997-09-30 Nippon Steel Corp 応力除去焼鈍処理用の厚肉高張力鋼板の製造方法
JP2003003229A (ja) * 2001-06-19 2003-01-08 Nippon Steel Corp 疲労強度に優れた厚鋼板とその製造方法
KR20140118313A (ko) * 2013-03-28 2014-10-08 현대제철 주식회사 열연강판 및 그 제조 방법
JP5761080B2 (ja) * 2012-03-01 2015-08-12 新日鐵住金株式会社 伸びと穴拡げ性と疲労特性に優れた高強度熱延鋼板及びその製造方法
JP2016507649A (ja) * 2012-12-27 2016-03-10 ポスコ 極低温靱性に優れ低降伏比特性を有する高強度鋼板及びその製造方法
CN105420605A (zh) * 2015-11-30 2016-03-23 钢铁研究总院 一种超低屈强比冷轧双相钢及其制造方法
CN105579606A (zh) * 2013-09-27 2016-05-11 株式会社神户制钢所 延性和低温韧性优异的高强度钢板及其制造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6057490B2 (ja) * 1979-02-28 1985-12-16 新日本製鐵株式会社 低降伏比の高張力鋼板の製造方法
JP4485427B2 (ja) 2005-07-28 2010-06-23 株式会社神戸製鋼所 低降伏比高張力鋼板
JP5768603B2 (ja) * 2011-08-31 2015-08-26 Ｊｆｅスチール株式会社 高一様伸び特性を備え、かつ溶接部低温靱性に優れた高強度溶接鋼管、およびその製造方法
KR101403224B1 (ko) 2011-12-28 2014-06-02 주식회사 포스코 저항복비 특성 및 저온인성이 우수한 후 강판 및 그 제조방법
CN103320692B (zh) * 2013-06-19 2016-07-06 宝山钢铁股份有限公司 超高韧性、优良焊接性ht550钢板及其制造方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07278656A (ja) * 1994-04-04 1995-10-24 Nippon Steel Corp 低降伏比高張力鋼の製造方法
JPH09256037A (ja) * 1996-03-22 1997-09-30 Nippon Steel Corp 応力除去焼鈍処理用の厚肉高張力鋼板の製造方法
JP2003003229A (ja) * 2001-06-19 2003-01-08 Nippon Steel Corp 疲労強度に優れた厚鋼板とその製造方法
JP5761080B2 (ja) * 2012-03-01 2015-08-12 新日鐵住金株式会社 伸びと穴拡げ性と疲労特性に優れた高強度熱延鋼板及びその製造方法
JP2016507649A (ja) * 2012-12-27 2016-03-10 ポスコ 極低温靱性に優れ低降伏比特性を有する高強度鋼板及びその製造方法
KR20140118313A (ko) * 2013-03-28 2014-10-08 현대제철 주식회사 열연강판 및 그 제조 방법
CN105579606A (zh) * 2013-09-27 2016-05-11 株式会社神户制钢所 延性和低温韧性优异的高强度钢板及其制造方法
CN105420605A (zh) * 2015-11-30 2016-03-23 钢铁研究总院 一种超低屈强比冷轧双相钢及其制造方法

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WO2018004297A1 (ko) 2018-01-04
EP3480332B1 (en) 2021-10-13
EP3480332A4 (en) 2019-06-26
CN109328240A (zh) 2019-02-12
KR101799202B1 (ko) 2017-11-20
EP3480332A1 (en) 2019-05-08
JP2019524987A (ja) 2019-09-05
JP6771047B2 (ja) 2020-10-21

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