BRPI0808347B1 - High resistance steel sheet and production method of the same - Google Patents

High resistance steel sheet and production method of the same Download PDF

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Publication number
BRPI0808347B1
BRPI0808347B1 BRPI0808347-9A BRPI0808347A BRPI0808347B1 BR PI0808347 B1 BRPI0808347 B1 BR PI0808347B1 BR PI0808347 A BRPI0808347 A BR PI0808347A BR PI0808347 B1 BRPI0808347 B1 BR PI0808347B1
Authority
BR
Brazil
Prior art keywords
iso
temperature
domains
orientation
steel
Prior art date
Application number
BRPI0808347-9A
Other languages
English (en)
Portuguese (pt)
Inventor
Shirahata Hiroyuki
Fujioka Masaaki
Kojima Akihiko
Tanaka Yoichi
Original Assignee
Nippon Steel & Sumitomo Metal Corporation
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 Nippon Steel & Sumitomo Metal Corporation filed Critical Nippon Steel & Sumitomo Metal Corporation
Publication of BRPI0808347A2 publication Critical patent/BRPI0808347A2/pt
Publication of BRPI0808347B1 publication Critical patent/BRPI0808347B1/pt

Links

Classifications

    • 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
    • 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
    • C21D8/021—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular fabrication or treatment of ingot or slab
    • 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
    • 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
    • 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
    • C21D2201/00—Treatment for obtaining particular effects
    • C21D2201/05—Grain orientation
    • 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
    • C21D2211/009—Pearlite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
BRPI0808347-9A 2007-03-05 2008-03-03 High resistance steel sheet and production method of the same BRPI0808347B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007054279 2007-03-05
JP2007-054279 2007-03-05
PCT/JP2008/053766 WO2008108333A1 (ja) 2007-03-05 2008-03-03 厚手高強度鋼板およびその製造方法

Publications (2)

Publication Number Publication Date
BRPI0808347A2 BRPI0808347A2 (pt) 2014-07-29
BRPI0808347B1 true BRPI0808347B1 (pt) 2017-07-04

Family

ID=39738210

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0808347-9A BRPI0808347B1 (pt) 2007-03-05 2008-03-03 High resistance steel sheet and production method of the same

Country Status (7)

Country Link
EP (1) EP2119803A4 (enrdf_load_stackoverflow)
JP (1) JP4309946B2 (enrdf_load_stackoverflow)
KR (1) KR101024709B1 (enrdf_load_stackoverflow)
CN (1) CN101622370B (enrdf_load_stackoverflow)
BR (1) BRPI0808347B1 (enrdf_load_stackoverflow)
TW (1) TWI335355B (enrdf_load_stackoverflow)
WO (1) WO2008108333A1 (enrdf_load_stackoverflow)

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CN102271861B (zh) * 2009-01-14 2013-03-20 新日铁住金株式会社 耐脆性裂纹传播性优良的焊接结构体
CN102209607B (zh) * 2009-01-14 2014-04-30 新日铁住金株式会社 耐脆性裂纹传播性优良的焊接结构体
JP5470904B2 (ja) * 2009-02-25 2014-04-16 Ｊｆｅスチール株式会社 ＴＳが５７０ＭＰａ以上、全伸びが２５％以上、ΔＫ＝１５ＭＰａ√ｍでの疲労き裂伝播速度８．７５ｘ１０−９ｍ／ｃｙｃｌｅ以下の、全伸びと疲労き裂伝播抵抗性に優れた板厚２０ｍｍ以下の厚鋼板の製造方法
WO2010143726A1 (ja) * 2009-06-11 2010-12-16 新日本製鐵株式会社 大入熱溶接熱影響部靭性に優れた厚手高強度鋼板の製造方法、及び、大入熱溶接熱影響部靭性に優れた厚手高強度鋼板
JP4824143B2 (ja) * 2009-10-08 2011-11-30 新日本製鐵株式会社 高強度鋼管、高強度鋼管用鋼板、及び、それらの製造方法
JP5423309B2 (ja) * 2009-10-21 2014-02-19 新日鐵住金株式会社 海洋構造物用厚鋼板およびその製造方法
CN101701326B (zh) * 2009-10-28 2011-07-20 南京钢铁股份有限公司 一种厚规格高强高韧船板钢及其生产方法
WO2012008056A1 (ja) * 2010-07-14 2012-01-19 新日本製鐵株式会社 耐脆性き裂伝播性を有する溶接構造体
JP5029749B2 (ja) * 2010-09-17 2012-09-19 Ｊｆｅスチール株式会社 曲げ加工性に優れた高強度熱延鋼板およびその製造方法
JP2012188747A (ja) * 2011-02-24 2012-10-04 Kobe Steel Ltd 原子力発電機器用鍛鋼材および原子力発電機器用溶接構造物
CN102691006B (zh) * 2011-03-23 2013-12-25 宝山钢铁股份有限公司 抗高回火参数sr脆化的低温镍钢及其制造方法
BR112013026079B1 (pt) * 2011-04-13 2019-01-29 Nippon Steel & Sumitomo Metal Corporation chapa de aço laminada a frio de alta resistência tendo excelente deformabilidade local, e método de produção da mesma
KR101278004B1 (ko) * 2011-06-28 2013-06-27 현대제철 주식회사 고강도 강판 및 그 제조방법
KR101273936B1 (ko) * 2011-08-12 2013-06-11 한국과학기술연구원 내산화성 페라이트계 스테인리스강, 그 제조 방법 및 이를 사용한 연료 전지 접속자
CN102560250A (zh) * 2011-11-25 2012-07-11 宝山钢铁股份有限公司 一种超低碳贝氏体钢板及其制造方法
JP5838801B2 (ja) * 2011-12-27 2016-01-06 Ｊｆｅスチール株式会社 厚鋼板及び厚鋼板の製造方法
KR101357543B1 (ko) * 2012-01-31 2014-02-05 현대제철 주식회사 고성형 열연강판의 제조 방법
MX355894B (es) * 2012-02-17 2018-05-04 Nippon Steel & Sumitomo Metal Corp Lamina de acero, lamina de acero chapada, y metodo para producir la misma.
KR101728362B1 (ko) * 2012-08-06 2017-04-19 제이에프이 스틸 가부시키가이샤 장대 취성 균열 전파 정지 성능이 우수한 후강판의 제조 방법 및 후강판
JP5598618B1 (ja) * 2013-03-26 2014-10-01 Ｊｆｅスチール株式会社 脆性亀裂伝播停止特性に優れた大入熱溶接用高強度厚鋼板およびその製造方法
KR101320222B1 (ko) * 2013-04-30 2013-10-21 현대제철 주식회사 고강도 강판 및 그 제조방법
TWI498174B (zh) * 2013-05-01 2015-09-01 China Steel Corp Method for Reducing Surface Defects of High Hardness Steel
KR101542709B1 (ko) * 2013-08-13 2015-08-12 신닛테츠스미킨 카부시키카이샤 강판
EP3239332B1 (en) * 2014-12-24 2019-11-20 Posco High-strength steel having superior brittle crack arrestability, and production method therefor
KR101657827B1 (ko) * 2014-12-24 2016-09-20 주식회사 포스코 취성균열전파 저항성이 우수한 구조용 극후물 강재 및 그 제조방법
WO2016105059A1 (ko) * 2014-12-24 2016-06-30 주식회사 포스코 취성균열전파 저항성이 우수한 고강도 강재 및 그 제조방법
WO2016105062A1 (ko) * 2014-12-24 2016-06-30 주식회사 포스코 취성균열전파 저항성이 우수한 고강도 강재 및 그 제조방법
CA2976750C (en) 2015-03-31 2020-08-18 Jfe Steel Corporation High-strength, high-toughness steel plate, and method for producing the same
US10640841B2 (en) 2015-03-31 2020-05-05 Jfe Steel Corporation High-strength, high-toughness steel plate and method for producing the same
JP6766642B2 (ja) * 2016-02-25 2020-10-14 日本製鉄株式会社 脆性き裂伝播停止特性に優れた鋼板およびその製造方法
JP6682967B2 (ja) * 2016-04-06 2020-04-15 日本製鉄株式会社 厚鋼板およびその製造方法
JP6911575B2 (ja) * 2016-06-30 2021-07-28 日本製鉄株式会社 脆性き裂伝播停止特性に優れた鋼板およびその製造方法
JP6776826B2 (ja) * 2016-11-11 2020-10-28 日本製鉄株式会社 脆性き裂伝播停止特性に優れた鋼板およびその製造方法
JP6988836B2 (ja) * 2019-01-28 2022-01-05 Ｊｆｅスチール株式会社 超低降伏比高張力厚鋼板およびその製造方法
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
CN116288004B (zh) * 2023-03-21 2025-03-25 山东钢铁集团日照有限公司 一种高疲劳极限强度钢及其均质化制造方法
CN116732451A (zh) * 2023-05-30 2023-09-12 鞍钢股份有限公司 一种各向同性的低屈强比高韧性桥梁钢及其制造方法

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Also Published As

Publication number Publication date
EP2119803A4 (en) 2016-07-20
CN101622370A (zh) 2010-01-06
CN101622370B (zh) 2011-07-13
BRPI0808347A2 (pt) 2014-07-29
JP2008248382A (ja) 2008-10-16
KR20090110384A (ko) 2009-10-21
KR101024709B1 (ko) 2011-03-24
TWI335355B (en) 2011-01-01
WO2008108333A1 (ja) 2008-09-12
TW200844240A (en) 2008-11-16
JP4309946B2 (ja) 2009-08-05
EP2119803A1 (en) 2009-11-18

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B25G Requested change of headquarter approved

Owner name: NIPPON STEEL CORPORATION (JP)

B25D Requested change of name of applicant approved

Owner name: NIPPON STEEL AND SUMITOMO METAL CORPORATION (JP)

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]
B25D Requested change of name of applicant approved
B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 14A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2660 DE 28-12-2021 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.