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EP2009120A3 - Use of an extremely resistant steel alloy for producing steel pipes with high resistance and good plasticity - Google Patents

Use of an extremely resistant steel alloy for producing steel pipes with high resistance and good plasticity Download PDF

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Publication number
EP2009120A3
EP2009120A3 EP08011681A EP08011681A EP2009120A3 EP 2009120 A3 EP2009120 A3 EP 2009120A3 EP 08011681 A EP08011681 A EP 08011681A EP 08011681 A EP08011681 A EP 08011681A EP 2009120 A3 EP2009120 A3 EP 2009120A3
Authority
EP
European Patent Office
Prior art keywords
less
steel alloy
high resistance
good plasticity
extremely resistant
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
EP08011681A
Other languages
German (de)
French (fr)
Other versions
EP2009120A2 (en
EP2009120B1 (en
Inventor
Uwe Dr.-Ing. Diekmann
Andreas Dr.-Ing. Frehn
Alexander Dr.-Ing. Redenius
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.)
Benteler Deutschland GmbH
Benteler Automobiltechnik GmbH
Original Assignee
Benteler Automobiltechnik GmbH
Benteler Stahl Rohr 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 Benteler Automobiltechnik GmbH, Benteler Stahl Rohr GmbH filed Critical Benteler Automobiltechnik GmbH
Publication of EP2009120A2 publication Critical patent/EP2009120A2/en
Publication of EP2009120A3 publication Critical patent/EP2009120A3/en
Application granted granted Critical
Publication of EP2009120B1 publication Critical patent/EP2009120B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

Verwendung einer Stahllegierung, die in Massenanteilen aus Kohlenstoff (C) 0,06 - 0,15 Silizium (Si) 1,0 - 2,0 Mangan 0,7 - 2,2 Chrom (Cr) 0,1 - 0,8 Molybdän (Mo) 0,2 oder weniger Aluminium (Al) 0,1 oder weniger Vanadium (V) 0,2 oder weniger Stickstoff (N) 0,02 oder weniger Niob (Nb) 0,06 oder weniger Kupfer (Cu) 0,2 oder weniger Nickel (Ni) 0,2 oder weniger Bor (B) 0,001 - 0,004 Titan (Ti) 0,001 - 0,05 Wolfram (W) 0,2 oder weniger

und Eisen sowie erschmelzungsbedingter Verunreinigungen als Rest besteht wobei die Summe von Silizium (Si) + Mangan (Mn) + Chrom (Cr) + Kupfer (Cu) in einem Bereich von 3 bis 4 % liegt, und wobei die Stahllegierung ein feines, weitgehend perlitfreies, mehrphasiges Gefüge bestehend aus Ferrit mit eingelagertem Bainit sowie Martensit mit Restaustenit aufweist, wobei das Produkt aus Bruchfestigkeit und Bruchdehnung 20.000 [MPa*%] übersteigt, wobei die Festigkeit Rm im unverformten Zustand mehr als 600 MPa beträgt zur Herstellung von Stahlrohren hoher Festigkeit mit guter Umformbarkeit.Use of a steel alloy, in mass proportions Carbon (C) 0.06 - 0.15 Silicon (Si) 1.0 - 2.0 manganese 0.7 - 2.2 Chrome (Cr) 0.1 - 0.8 Molybdenum (Mo) 0.2 or less Aluminum (Al) 0.1 or less Vanadium (V) 0.2 or less Nitrogen (N) 0.02 or less Niobium (Nb) 0.06 or less Copper (Cu) 0.2 or less Nickel (Ni) 0.2 or less Boron (B) 0,001 - 0,004 Titanium (Ti) 0.001-0.05 Tungsten (W) 0.2 or less
The sum of silicon (Si) + manganese (Mn) + chromium (Cr) + copper (Cu) is in a range of 3 to 4%, and the steel alloy is a fine, largely pearlite-free , multiphase microstructure consisting of embedded bainite ferrite and retained austenite martensite, the product of breaking strength and elongation at break exceeding 20,000 [MPa *%], the strength Rm in the undeformed state exceeding 600 MPa for producing high strength steel tubes with good formability.

EP08011681.7A 2007-06-27 2008-06-27 Use of an extremely resistant steel alloy for producing steel pipes with high resistance and good plasticity Not-in-force EP2009120B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200710030207 DE102007030207A1 (en) 2007-06-27 2007-06-27 Use of a high-strength steel alloy for producing high-strength and good formability blasting tubes

Publications (3)

Publication Number Publication Date
EP2009120A2 EP2009120A2 (en) 2008-12-31
EP2009120A3 true EP2009120A3 (en) 2009-08-19
EP2009120B1 EP2009120B1 (en) 2013-05-01

Family

ID=39796845

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08011681.7A Not-in-force EP2009120B1 (en) 2007-06-27 2008-06-27 Use of an extremely resistant steel alloy for producing steel pipes with high resistance and good plasticity

Country Status (2)

Country Link
EP (1) EP2009120B1 (en)
DE (1) DE102007030207A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013139514A1 (en) * 2012-03-20 2013-09-26 Aktiebolaget Skf Method for producing a rolling bearing, and rolling bearing
DE102013101276A1 (en) * 2013-02-08 2014-08-14 Benteler Automobiltechnik Gmbh Method for producing a motor vehicle stabilizer
DE102014224469B4 (en) * 2014-11-28 2019-06-27 Bayern-Chemie Gesellschaft Für Flugchemische Antriebe Mbh Method for producing a, at least one metal material having spatial form, as well as spatial form
JP2018538440A (en) 2015-11-16 2018-12-27 ベントラー スティール ／ チューブ ゲーエムベーハー Alloy steel and pipe products with high energy absorption capability
DE102015119839A1 (en) * 2015-11-17 2017-05-18 Benteler Steel/Tube Gmbh High energy absorbing steel alloy and tubular steel product
DE102018133143A1 (en) * 2018-11-06 2020-05-07 Salzgitter Flachstahl Gmbh Internal high-pressure formed component made of steel and use of a steel for preliminary products for the production of an internal high-pressure molded component and preliminary product therefor
DE102020102772A1 (en) 2020-02-04 2021-08-05 Benteler Steel/Tube Gmbh Gas generator tube and gas generator for airbag module
DE102022124366A1 (en) 2022-09-22 2024-03-28 Thyssenkrupp Steel Europe Ag Process for producing a hot-rolled flat steel product for use in pipe production

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0576107A1 (en) * 1992-06-10 1993-12-29 MANNESMANN Aktiengesellschaft Use of a steel for the manufacture of constructiontubes
EP0940476A1 (en) * 1997-04-30 1999-09-08 Kawasaki Steel Corporation Steel material having high ductility and high strength and process for production thereof
JPH11279693A (en) * 1998-03-27 1999-10-12 Nippon Steel Corp Good workability high-strength hot-rolled steel sheet with excellent bake hardenability and method for producing the same
US20030047258A1 (en) * 2000-04-27 2003-03-13 Kei Sakata High tensile cold-rolled steel sheet excellent in ductility and in strain aging hardening properties, and method for producing the same
US20030196735A1 (en) * 2000-09-21 2003-10-23 Natsuko Sugiura Steel plate excellent in shape freezing property and method for production thereof
JP2003342687A (en) * 2002-05-28 2003-12-03 Nippon Steel Corp Steel pipe excellent in strength-ductility balance and method for producing the same
US20040050445A1 (en) * 2002-07-10 2004-03-18 Masahiro Ohgami Steel pipe having low yield ratio

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3533844B2 (en) * 1996-09-19 2004-05-31 Ｊｆｅスチール株式会社 ERW steel pipe excellent in hydraulic bulge formability and manufacturing method thereof
JP4466619B2 (en) * 2006-07-05 2010-05-26 Ｊｆｅスチール株式会社 High tensile welded steel pipe for automobile structural members and method for manufacturing the same

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0576107A1 (en) * 1992-06-10 1993-12-29 MANNESMANN Aktiengesellschaft Use of a steel for the manufacture of constructiontubes
EP0940476A1 (en) * 1997-04-30 1999-09-08 Kawasaki Steel Corporation Steel material having high ductility and high strength and process for production thereof
JPH11279693A (en) * 1998-03-27 1999-10-12 Nippon Steel Corp Good workability high-strength hot-rolled steel sheet with excellent bake hardenability and method for producing the same
US20030047258A1 (en) * 2000-04-27 2003-03-13 Kei Sakata High tensile cold-rolled steel sheet excellent in ductility and in strain aging hardening properties, and method for producing the same
US20030196735A1 (en) * 2000-09-21 2003-10-23 Natsuko Sugiura Steel plate excellent in shape freezing property and method for production thereof
JP2003342687A (en) * 2002-05-28 2003-12-03 Nippon Steel Corp Steel pipe excellent in strength-ductility balance and method for producing the same
US20040050445A1 (en) * 2002-07-10 2004-03-18 Masahiro Ohgami Steel pipe having low yield ratio

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
KATSUMATA M ET AL: "DEVELOPMENT OF HIGH STRENGTH AND HIGH TOUGHNESS LOW CARBON - LOW ALLOY STEEL FOR HOT FORGED PARTS", KOBELCO TECHNOLOGY REVIEW, KOBE STEEL, KOBE, JP, no. 11, 1 June 1991 (1991-06-01), pages 29 - 32, XP001038795, ISSN: 0913-4794 *

Also Published As

Publication number Publication date
EP2009120A2 (en) 2008-12-31
EP2009120B1 (en) 2013-05-01
DE102007030207A1 (en) 2009-01-02

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