US20090087335A1 - Fire resistant steel and method of production of same - Google Patents

Fire resistant steel and method of production of same Download PDF

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Publication number
US20090087335A1
US20090087335A1 US11/919,781 US91978106A US2009087335A1 US 20090087335 A1 US20090087335 A1 US 20090087335A1 US 91978106 A US91978106 A US 91978106A US 2009087335 A1 US2009087335 A1 US 2009087335A1
Authority
US
United States
Prior art keywords
less
steel
fire resistant
yield strength
strength
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.)
Abandoned
Application number
US11/919,781
Other languages
English (en)
Inventor
Teruhisa Okumura
Kohichi Yamamoto
Suguru Yoshida
Hiroshi Kita
Hirokazu Sugiyama
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
Individual
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 Individual filed Critical Individual
Assigned to NIPPON STEEL CORPORATION reassignment NIPPON STEEL CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: OKUMURA, TERUHISA, YOSHIDA, SUGURU, YAMAMOTO, KOHICHI, KITA, HIROSHI, SUGIYAMA, HIROKAZU
Publication of US20090087335A1 publication Critical patent/US20090087335A1/en
Abandoned legal-status Critical Current

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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
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
    • 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
    • C22C38/08—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
    • 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

Definitions

  • N forms B nitrides and assists the formation of ferrite, so the content of N was limited to 0.006% or less.

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)
  • Metal Rolling (AREA)
US11/919,781 2005-05-02 2006-04-28 Fire resistant steel and method of production of same Abandoned US20090087335A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2005134297 2005-05-02
JP2006118826A JP5098210B2 (ja) 2005-05-02 2006-04-24 耐火用鋼材およびその製造方法
PCT/JP2006/309347 WO2006118339A1 (ja) 2005-05-02 2006-04-28 耐火用鋼材およびその製造方法

Publications (1)

Publication Number Publication Date
US20090087335A1 true US20090087335A1 (en) 2009-04-02

Family

ID=37308117

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/919,781 Abandoned US20090087335A1 (en) 2005-05-02 2006-04-28 Fire resistant steel and method of production of same

Country Status (6)

Country Link
US (1) US20090087335A1 (de)
EP (1) EP1878810B1 (de)
JP (1) JP5098210B2 (de)
KR (2) KR20070116686A (de)
CN (1) CN101171354B (de)
WO (1) WO2006118339A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100065168A1 (en) * 2006-09-04 2010-03-18 Suguru Yoshida Fire resistant steel excellent in high temperature strength, toughness, and reheating embrittlement resistance and process for production of the same
EP2143813A4 (de) * 2007-04-06 2015-09-30 Nippon Steel & Sumitomo Metal Corp Stahlmaterial mit hervorragenden hochtemperatureigenschaften und hervorragender zähigkeit sowie herstellungsverfahren dafür

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102251178B (zh) * 2011-06-21 2012-12-05 北京科技大学 一种在热扰动下保持恒定硬度的低合金钢的制备方法
JP6295632B2 (ja) * 2013-12-16 2018-03-20 新日鐵住金株式会社 靭性に優れた高強度ｈ形鋼
CN104046902B (zh) * 2014-06-30 2016-09-28 莱芜钢铁集团有限公司 一种低钼高钛590MPa级建筑用耐火钢板及其制造方法
CN105112783A (zh) * 2015-09-15 2015-12-02 攀钢集团攀枝花钢铁研究院有限公司 一种焊接结构用钢及其制备方法
KR102602081B1 (ko) * 2019-01-31 2023-11-13 제이에프이 스틸 가부시키가이샤 돌기가 있는 h형강 및 그의 제조 방법

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6290784B1 (en) * 1998-11-10 2001-09-18 Kawasaki Steel Corporation Hot rolled steel sheet having an ultrafine grain structure and process for producing steel sheet
US20020192012A1 (en) * 2000-04-24 2002-12-19 Tatsumi Kimura Linear shape steel excellent in joint fatigue characteristics and production method therefor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06104854B2 (ja) * 1989-02-04 1994-12-21 新日本製鐵株式会社 耐火性に優れた建築用低降伏比熱延鋼板の製造方法
JPH07100816B2 (ja) * 1989-05-08 1995-11-01 新日本製鐵株式会社 耐火性に優れた建築用低降伏比冷延鋼板の製造方法
JP4819233B2 (ja) * 2000-08-30 2011-11-24 新日本製鐵株式会社 成形性に優れたアルミニウム合金板
JP4362219B2 (ja) * 2000-10-11 2009-11-11 新日本製鐵株式会社 高温強度に優れた鋼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
US6290784B1 (en) * 1998-11-10 2001-09-18 Kawasaki Steel Corporation Hot rolled steel sheet having an ultrafine grain structure and process for producing steel sheet
US20020192012A1 (en) * 2000-04-24 2002-12-19 Tatsumi Kimura Linear shape steel excellent in joint fatigue characteristics and production method therefor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100065168A1 (en) * 2006-09-04 2010-03-18 Suguru Yoshida Fire resistant steel excellent in high temperature strength, toughness, and reheating embrittlement resistance and process for production of the same
US8097096B2 (en) 2006-09-04 2012-01-17 Nippon Steel Corporation Fire resistant steel excellent in high temperature strength, toughness, and reheating embrittlement resistance and process for production of the same
EP2143813A4 (de) * 2007-04-06 2015-09-30 Nippon Steel & Sumitomo Metal Corp Stahlmaterial mit hervorragenden hochtemperatureigenschaften und hervorragender zähigkeit sowie herstellungsverfahren dafür

Also Published As

Publication number Publication date
KR20070116686A (ko) 2007-12-10
CN101171354A (zh) 2008-04-30
WO2006118339A1 (ja) 2006-11-09
JP5098210B2 (ja) 2012-12-12
KR20100046068A (ko) 2010-05-04
EP1878810A4 (de) 2010-02-17
CN101171354B (zh) 2011-04-20
JP2006336105A (ja) 2006-12-14
EP1878810B1 (de) 2014-01-15
EP1878810A1 (de) 2008-01-16

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Legal Events

Date Code Title Description
AS Assignment

Owner name: NIPPON STEEL CORPORATION, JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:OKUMURA, TERUHISA;YAMAMOTO, KOHICHI;YOSHIDA, SUGURU;AND OTHERS;REEL/FRAME:020145/0733;SIGNING DATES FROM 20070913 TO 20070927

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION