EP1493828A4 - Acier a haute resistance presentant une excellente resistance aux temperatures elevees et procede de production de celui-ci - Google Patents

Acier a haute resistance presentant une excellente resistance aux temperatures elevees et procede de production de celui-ci

Info

Publication number
EP1493828A4
EP1493828A4 EP03715623A EP03715623A EP1493828A4 EP 1493828 A4 EP1493828 A4 EP 1493828A4 EP 03715623 A EP03715623 A EP 03715623A EP 03715623 A EP03715623 A EP 03715623A EP 1493828 A4 EP1493828 A4 EP 1493828A4
Authority
EP
European Patent Office
Prior art keywords
production
temperature strength
tensile steel
steel excellent
high temperature
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP03715623A
Other languages
German (de)
English (en)
Other versions
EP1493828A1 (fr
Inventor
Yasushi Mizutani
Ryuji Uemori
Tatsuya Kumagai
Tadayoshi Okada
Yoshiyuki Watanabe
Yoshio Terada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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
Priority claimed from JP2003086308A external-priority patent/JP4348103B2/ja
Priority claimed from JP2003086307A external-priority patent/JP4348102B2/ja
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of EP1493828A1 publication Critical patent/EP1493828A1/fr
Publication of EP1493828A4 publication Critical patent/EP1493828A4/fr
Withdrawn legal-status Critical Current

Links

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
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • 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
    • C22C38/02—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
    • C22C38/12—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
    • C21D2211/002—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

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)
EP03715623A 2002-03-29 2003-03-28 Acier a haute resistance presentant une excellente resistance aux temperatures elevees et procede de production de celui-ci Withdrawn EP1493828A4 (fr)

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
JP2002095162 2002-03-29
JP2002094834 2002-03-29
JP2002095162 2002-03-29
JP2002094834 2002-03-29
JP2002144203 2002-05-20
JP2002144203 2002-05-20
JP2002313067 2002-10-28
JP2002313067 2002-10-28
JP2003086308A JP4348103B2 (ja) 2002-10-28 2003-03-26 高温強度に優れた５９０ＭＰａ級高張力鋼ならびにその製造方法
JP2003086308 2003-03-26
JP2003086307A JP4348102B2 (ja) 2002-05-20 2003-03-26 高温強度に優れた４９０ＭＰａ級高張力鋼ならびにその製造方法
JP2003086307 2003-03-26
PCT/JP2003/004040 WO2003087414A1 (fr) 2002-03-29 2003-03-28 Acier a haute resistance presentant une excellente resistance aux temperatures elevees et procede de production de celui-ci

Publications (2)

Publication Number Publication Date
EP1493828A1 EP1493828A1 (fr) 2005-01-05
EP1493828A4 true EP1493828A4 (fr) 2011-01-05

Family

ID=29255710

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03715623A Withdrawn EP1493828A4 (fr) 2002-03-29 2003-03-28 Acier a haute resistance presentant une excellente resistance aux temperatures elevees et procede de production de celui-ci

Country Status (5)

Country Link
EP (1) EP1493828A4 (fr)
KR (1) KR100630402B1 (fr)
CN (1) CN1643167A (fr)
TW (1) TWI235769B (fr)
WO (1) WO2003087414A1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4954507B2 (ja) * 2004-07-28 2012-06-20 新日本製鐵株式会社 耐火性に優れたｈ形鋼およびその製造方法
ATE467691T1 (de) * 2004-11-24 2010-05-15 Giovanni Arvedi Streifen des warm gewalzten mikro-legierten stahls für das erhalten der fertigen stücke durch die betätigende und scherende kälte
JP4226626B2 (ja) * 2005-11-09 2009-02-18 新日本製鐵株式会社 音響異方性が小さく溶接性に優れる、板厚中心部も含めて降伏応力４５０ＭＰａ以上かつ引張強さ５７０ＭＰａ以上の高張力鋼板およびその製造方法
CN100584983C (zh) * 2006-09-27 2010-01-27 宝山钢铁股份有限公司 冷轧高强度双相带钢及其制造工艺
CN101652495B (zh) * 2007-04-06 2011-06-08 新日本制铁株式会社 高温特性和韧性优良的钢材及其制造方法
JP5396758B2 (ja) * 2007-07-27 2014-01-22 Ｊｆｅスチール株式会社 船舶のバラストタンク用熱間圧延形鋼およびその製造方法
JP5320919B2 (ja) * 2007-09-25 2013-10-23 Ｊｆｅスチール株式会社 原油タンク用熱間圧延形鋼およびその製造方法
KR101018131B1 (ko) * 2007-11-22 2011-02-25 주식회사 포스코 저온인성이 우수한 고강도 저항복비 건설용 강재 및 그제조방법
CN101285153B (zh) * 2008-05-09 2010-06-09 攀钢集团成都钢铁有限责任公司 一种耐火钢、耐火无缝钢管及其生产方法
CN102400049B (zh) * 2010-09-07 2014-03-12 鞍钢股份有限公司 一种490级别建筑结构用耐火钢板及其制造方法
JP5594438B2 (ja) * 2011-11-08 2014-09-24 Ｊｆｅスチール株式会社 高張力熱延めっき鋼板およびその製造方法
JP5821929B2 (ja) * 2013-10-29 2015-11-24 Ｊｆｅスチール株式会社 材質安定性および溶接性に優れた高強度熱延鋼板およびその製造方法
CN103741079A (zh) * 2014-01-09 2014-04-23 鞍钢股份有限公司 一种超高强度海洋工程用钢板及其生产方法
CN110846594B (zh) * 2019-11-28 2021-02-09 钢铁研究总院 一种含铜超低碳贝氏体钢及其制备方法
CN112553526B (zh) * 2020-11-20 2022-04-22 林州凤宝管业有限公司 一种960MPa级超高强度结构钢、钢管及其制造方法和应用
CN112941405B (zh) * 2021-01-26 2022-04-19 南京钢铁股份有限公司 一种高韧性耐热船用球扁钢及其制备方法
JP7535490B2 (ja) 2021-11-09 2024-08-16 株式会社神戸製鋼所 鋼板およびその製造方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1068044A (ja) * 1996-06-18 1998-03-10 Nippon Steel Corp 耐火性の優れた建築用鋼ならびにその製造方法
JPH10259448A (ja) * 1997-03-21 1998-09-29 Kobe Steel Ltd 静的吸収エネルギー及び耐衝撃性に優れた高強度鋼板並びにその製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05339674A (ja) * 1992-06-08 1993-12-21 Kobe Steel Ltd 耐溶接割れ性に優れた低炭素０．５％Ｍｏ鋼板
JP3397271B2 (ja) * 1995-04-14 2003-04-14 新日本製鐵株式会社 耐火用圧延形鋼およびその製造方法
JPH09209077A (ja) * 1996-01-30 1997-08-12 Nippon Steel Corp 高温耐火鋼材及びその製造方法
JP2002012939A (ja) * 2000-04-27 2002-01-15 Nippon Steel Corp 高温強度に優れた高張力鋼およびその製造方法
JP4309561B2 (ja) * 2000-06-20 2009-08-05 新日本製鐵株式会社 高温強度に優れた高張力鋼板およびその製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1068044A (ja) * 1996-06-18 1998-03-10 Nippon Steel Corp 耐火性の優れた建築用鋼ならびにその製造方法
JPH10259448A (ja) * 1997-03-21 1998-09-29 Kobe Steel Ltd 静的吸収エネルギー及び耐衝撃性に優れた高強度鋼板並びにその製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO03087414A1 *

Also Published As

Publication number Publication date
TWI235769B (en) 2005-07-11
KR20040089746A (ko) 2004-10-21
EP1493828A1 (fr) 2005-01-05
WO2003087414A1 (fr) 2003-10-23
TW200305650A (en) 2003-11-01
KR100630402B1 (ko) 2006-10-02
CN1643167A (zh) 2005-07-20

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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RIC1 Information provided on ipc code assigned before grant

Ipc: C21C 3/00 20060101AFI20031029BHEP

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