EP1905857A3 - High-strength steel and applications for such steel - Google Patents

High-strength steel and applications for such steel Download PDF

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Publication number
EP1905857A3
EP1905857A3 EP07116927A EP07116927A EP1905857A3 EP 1905857 A3 EP1905857 A3 EP 1905857A3 EP 07116927 A EP07116927 A EP 07116927A EP 07116927 A EP07116927 A EP 07116927A EP 1905857 A3 EP1905857 A3 EP 1905857A3
Authority
EP
European Patent Office
Prior art keywords
steel
applications
tensile strength
strength
strength steel
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.)
Granted
Application number
EP07116927A
Other languages
German (de)
French (fr)
Other versions
EP1905857A2 (en
EP1905857B1 (en
Inventor
Serosh Dr. Engineer
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.)
EZM Edelstahlzieherei Mark GmbH
Original Assignee
EZM Edelstahlzieherei Mark GmbH
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 EZM Edelstahlzieherei Mark GmbH filed Critical EZM Edelstahlzieherei Mark GmbH
Publication of EP1905857A2 publication Critical patent/EP1905857A2/en
Publication of EP1905857A3 publication Critical patent/EP1905857A3/en
Application granted granted Critical
Publication of EP1905857B1 publication Critical patent/EP1905857B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/001—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
    • C22C38/06—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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

Die vorliegende Erfindung betrifft einen Stahl mit einer hohen Zugfestigkeit, enthaltend (in Gew.-%) C: 0,15 - 0,3 %, Si: 0,1 - 0,5 %, Mn: 0, 6 - 1,8 %, Cr: 1, 0 - 1,8 %, Mo: 0,10 - 0,50 %, Ni: bis zu 0,50 %, Nb: 0,030 - 0,150 %, Ti: 0,020 - 0,060 %, Al: 0,010 - 0,060 %, N: 0,008 - 0,030 %, P: < 0,030 %, S: < 0,030 %, Rest Eisen und unvermeidbare Verunreinigungen, sowie Verwendungen eines solchen Stahls. Der erfindungsgemäße Stahl erreicht unter Verwendung von kostengünstig erhältlichen Legierungszusätzen und ohne nachträgliche Vergütungsbehandlung über 1100 N/mm2 liegende Zugfestigkeitswerte.The present invention relates to a steel having a high tensile strength, containing (in% by weight) C: 0.15-0.3%, Si: 0.1-0.5%, Mn: 0.5-6.8 %, Cr: 1, 0-1.8%, Mo: 0.10-0.50%, Ni: up to 0.50%, Nb: 0.030-0.150%, Ti: 0.020-0.060%, Al: 0.010 - 0.060%, N: 0.008 - 0.030%, P: <0.030%, S: <0.030%, balance iron and unavoidable impurities, as well as uses of such a steel. The steel according to the invention achieves tensile strength values above 1100 N / mm 2 using inexpensively available alloying additions and without subsequent tempering treatment.

EP20070116927 2006-09-29 2007-09-21 High-strength steel and applications for such steel Active EP1905857B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006046481 2006-09-29

Publications (3)

Publication Number Publication Date
EP1905857A2 EP1905857A2 (en) 2008-04-02
EP1905857A3 true EP1905857A3 (en) 2010-03-03
EP1905857B1 EP1905857B1 (en) 2013-08-14

Family

ID=38982511

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20070116927 Active EP1905857B1 (en) 2006-09-29 2007-09-21 High-strength steel and applications for such steel

Country Status (2)

Country Link
EP (1) EP1905857B1 (en)
ES (1) ES2430839T3 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008052885A1 (en) * 2008-10-23 2010-04-29 Deutsche Edelstahlwerke Gmbh hardened steel
JP6110840B2 (en) 2014-12-08 2017-04-05 日本発條株式会社 Stabilizer manufacturing method
JP6053746B2 (en) 2014-12-08 2016-12-27 日本発條株式会社 Stabilizer
CN105063514B (en) * 2015-09-07 2017-05-10 宁波瑞国精机工业有限公司 Iron chain pin for vehicles and processing method thereof
CN105543678B (en) * 2015-12-21 2017-04-05 武钢集团昆明钢铁股份有限公司 High intensity non-annealed steel for fastener wire rod of a kind of boracic and preparation method thereof
DE102016108633A1 (en) * 2016-05-10 2017-11-30 Benteler Steel/Tube Gmbh Fuel injection line and tubular duct
WO2020058269A1 (en) 2018-09-18 2020-03-26 Ezm Edelstahlzieherei Mark Gmbh Steel for surface hardening with high edge hardness and with a fine ductile core structure
CN110359007B (en) * 2019-07-16 2021-05-28 苏州新凌高强度紧固件有限公司 Heat treatment method of 20MnTiB fastener
CN112795854A (en) * 2020-12-23 2021-05-14 石家庄钢铁有限责任公司 High-strength fastener bolt steel and production method thereof
CN112626308A (en) * 2020-12-25 2021-04-09 常州东方特钢有限公司 Production process of high-quality asymmetric flat-bulb steel produced by adding NbN
CN113699437A (en) * 2021-06-25 2021-11-26 武汉钢铁有限公司 Hot continuous rolling dual-phase wear-resistant steel for carriage plate and production method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000054069A (en) * 1998-07-30 2000-02-22 Nippon Steel Corp Carburized material excellent in rolling fatigue characteristic
US6312529B1 (en) * 1997-05-08 2001-11-06 The Timken Company Steel compositions and methods of processing for producing cold-formed and carburized components with fine-grained microstructures
US20040048217A1 (en) * 2002-04-30 2004-03-11 Sanyo Special Steel Co.,Ltd. Process for producing steel products having improved grain size properties and machinability
FR2847273A1 (en) * 2002-11-19 2004-05-21 Usinor Weldable steel components for construction applications requiring an elevated hardness and a martensite or martensite-bainite structure

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2729974B1 (en) 1995-01-31 1997-02-28 Creusot Loire HIGH DUCTILITY STEEL, MANUFACTURING PROCESS AND USE
DE19511656C2 (en) 1995-03-30 1997-11-27 Wieland Werke Ag Partially hot-dip tinned tape
FR2781506B1 (en) 1998-07-21 2000-08-25 Creusot Loire PROCESS AND STEEL FOR THE MANUFACTURE OF A TANK ENCLOSURE WORKING IN THE PRESENCE OF SULFURATED HYDROGEN
US6866725B2 (en) 2000-02-28 2005-03-15 Nippon Steel Corporation Steel pipe excellent in formability and method of producing the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6312529B1 (en) * 1997-05-08 2001-11-06 The Timken Company Steel compositions and methods of processing for producing cold-formed and carburized components with fine-grained microstructures
JP2000054069A (en) * 1998-07-30 2000-02-22 Nippon Steel Corp Carburized material excellent in rolling fatigue characteristic
US20040048217A1 (en) * 2002-04-30 2004-03-11 Sanyo Special Steel Co.,Ltd. Process for producing steel products having improved grain size properties and machinability
FR2847273A1 (en) * 2002-11-19 2004-05-21 Usinor Weldable steel components for construction applications requiring an elevated hardness and a martensite or martensite-bainite structure

Also Published As

Publication number Publication date
EP1905857A2 (en) 2008-04-02
ES2430839T3 (en) 2013-11-22
EP1905857B1 (en) 2013-08-14

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