EP1983069A4 - FIRE-RESISTANT ROLLED STEEL MATERIAL WITH HIGH STRENGTH AND MANUFACTURING METHOD THEREFOR - Google Patents

FIRE-RESISTANT ROLLED STEEL MATERIAL WITH HIGH STRENGTH AND MANUFACTURING METHOD THEREFOR

Info

Publication number: EP1983069A4
Authority: EP; European Patent Office
Prior art keywords: fire; manufacturing; high strength; steel material; rolled steel
Prior art date: 2006-02-08
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP07708393A

Other languages

German (de)

French (fr)

Other versions

EP1983069A1 (en

Inventor

Teruhisa Okumura

Hiroshi Kita

Kohichi Yamamoto

Suguru Yoshida

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.)

2006-02-08

Filing date

2007-02-08

Publication date

2011-03-02

2007-02-08 Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp

2008-10-22 Publication of EP1983069A1 publication Critical patent/EP1983069A1/en

2011-03-02 Publication of EP1983069A4 publication Critical patent/EP1983069A4/en

Status Withdrawn legal-status Critical Current

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
- 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
- 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
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
- C21D8/0463—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing 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
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
- 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
- C22C38/12—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
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals

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)

EP07708393A 2006-02-08 2007-02-08 FIRE-RESISTANT ROLLED STEEL MATERIAL WITH HIGH STRENGTH AND MANUFACTURING METHOD THEREFOR Withdrawn EP1983069A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2006030962		2006-02-08
PCT/JP2007/052658 WO2007091725A1 (en)	2006-02-08	2007-02-08	Fire-resistant high-strength rolled steel material and method for production thereof

Publications (2)

Publication Number	Publication Date
EP1983069A1 EP1983069A1 (en)	2008-10-22
EP1983069A4 true EP1983069A4 (en)	2011-03-02

Family

ID=38345311

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP07708393A Withdrawn EP1983069A4 (en)	2006-02-08	2007-02-08	FIRE-RESISTANT ROLLED STEEL MATERIAL WITH HIGH STRENGTH AND MANUFACTURING METHOD THEREFOR

Country Status (6)

Country	Link
US (1)	US20090020190A1 (en)
EP (1)	EP1983069A4 (en)
JP (1)	JP5114743B2 (en)
KR (1)	KR101018055B1 (en)
CN (1)	CN101379209A (en)
WO (1)	WO2007091725A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102004062739A1 (en) *	2004-12-27	2006-07-06	Degussa Ag	Self-cleaning surfaces with protrusions formed by hydrophobic particles, with improved mechanical strength
JP4741528B2 (en) *	2007-02-09	2011-08-03	新日本製鐵株式会社	Steel plates and steel pipes for steam transport piping having excellent high temperature characteristics and methods for producing them
CN102400049B (en) *	2010-09-07	2014-03-12	鞍钢股份有限公司	490-grade fire-resistant steel plate for building structure and manufacturing method thereof
CN102851596B (en) *	2011-06-28	2015-10-07	鞍钢股份有限公司	Low-cost 490 MPa-level fire-resistant steel plate for building structure and manufacturing method thereof
US9644372B2 (en)	2011-12-15	2017-05-09	Nippon Steel & Sumitomo Metal Corporation	High-strength H-beam steel exhibiting excellent low-temperature toughness and method of manufacturing same
JPWO2014175122A1 (en)	2013-04-26	2017-02-23	新日鐵住金株式会社	H-section steel and its manufacturing method
CN104561819B (en) *	2014-11-26	2017-05-24	南京钢铁股份有限公司	Q460-grade fire-resistant weathering steel and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4521258A (en) *	1981-10-31	1985-06-04	Nippon Steel Corporation	Method of making wrought high tension steel having superior low temperature toughness
JPH08333651A (en) *	1995-06-06	1996-12-17	Nippon Steel Corp	Steel with excellent HAZ resistance
JP2001262225A (en) *	2000-03-14	2001-09-26	Nkk Corp	Method for manufacturing extra thick H-section steel
JP2002115022A (en) *	2000-10-11	2002-04-19	Nippon Steel Corp	Steel having excellent high temperature strength and its production method

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH07286233A (en) *	1994-04-19	1995-10-31	Nippon Steel Corp	Low yield ratio steel with excellent fire resistance for construction and method for producing the same
JP3817064B2 (en) *	1998-04-22	2006-08-30	新日本製鐵株式会社	Low yield ratio type fire-resistant hot-rolled steel sheet and steel pipe and method for producing them
JP3559455B2 (en) *	1998-08-10	2004-09-02	新日本製鐵株式会社	Low-yield-ratio type refractory steel, steel pipe, and method for producing the same
JP4276324B2 (en) *	1999-02-26	2009-06-10	新日本製鐵株式会社	Low yield ratio fire-resistant hot-rolled steel sheet and steel pipe excellent in toughness, and methods for producing them
JP3635208B2 (en) *	1999-03-29	2005-04-06	新日本製鐵株式会社	Low yield ratio fireproof steel plate and steel pipe excellent in toughness and method for producing the same
JP2002146484A (en)	2000-11-10	2002-05-22	Sanyo Special Steel Co Ltd	High strength ferritic heat resistant steel
JP2002294391A (en) *	2001-03-29	2002-10-09	Kawasaki Steel Corp	Steel for building structure and production method therefor
JP2004360361A (en) *	2003-06-06	2004-12-24	Nippon Steel Corp	Fire-resistant coated steel structure
JP2005194869A (en) *	2003-12-10	2005-07-21	Nippon Steel Corp	Steel structure that can omit or reduce fireproof coating
JP4631299B2 (en) *	2004-03-25	2011-02-16	Ｊｆｅスチール株式会社	Low yield ratio rolled H-section steel excellent in fire resistance and manufacturing method thereof

2007
- 2007-02-08 US US12/223,690 patent/US20090020190A1/en not_active Abandoned
- 2007-02-08 EP EP07708393A patent/EP1983069A4/en not_active Withdrawn
- 2007-02-08 CN CNA2007800048687A patent/CN101379209A/en active Pending
- 2007-02-08 JP JP2007557917A patent/JP5114743B2/en not_active Expired - Fee Related
- 2007-02-08 KR KR1020087016006A patent/KR101018055B1/en not_active Expired - Fee Related
- 2007-02-08 WO PCT/JP2007/052658 patent/WO2007091725A1/en active Application Filing

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4521258A (en) *	1981-10-31	1985-06-04	Nippon Steel Corporation	Method of making wrought high tension steel having superior low temperature toughness
JPH08333651A (en) *	1995-06-06	1996-12-17	Nippon Steel Corp	Steel with excellent HAZ resistance
JP2001262225A (en) *	2000-03-14	2001-09-26	Nkk Corp	Method for manufacturing extra thick H-section steel
JP2002115022A (en) *	2000-10-11	2002-04-19	Nippon Steel Corp	Steel having excellent high temperature strength and its production method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2007091725A1 *

Also Published As

Publication number	Publication date
JPWO2007091725A1 (en)	2009-07-02
US20090020190A1 (en)	2009-01-22
WO2007091725A1 (en)	2007-08-16
CN101379209A (en)	2009-03-04
EP1983069A1 (en)	2008-10-22
JP5114743B2 (en)	2013-01-09
KR101018055B1 (en)	2011-03-02
KR20080077240A (en)	2008-08-21

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Legal Events

Date	Code	Title	Description
2008-09-19	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2008-10-22	17P	Request for examination filed	Effective date: 20080819
2008-10-22	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
2011-03-02	A4	Supplementary search report drawn up and despatched	Effective date: 20110202
2012-08-08	DAX	Request for extension of the european patent (deleted)
2013-01-23	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: NIPPON STEEL & SUMITOMO METAL CORPORATION
2016-07-26	GRAP	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOSNIGR1
2016-08-24	INTG	Intention to grant announced	Effective date: 20160727
2017-04-28	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2017-05-31	18D	Application deemed to be withdrawn	Effective date: 20161207