EP 2341156 A1 20110706 - Use of a steel alloy in a hot-forming and press-hardening
Title (en)
Use of a steel alloy in a hot-forming and press-hardening
Title (de)
Verwendung einer Stahllegierung in einem Warmform- und Presshärteprozess
Title (fr)
Utilisation d'un alliage d'acier pour emboutissage à chaud et trempe dans la presse
Publication
Application
Priority
DE 102010003997 A 20100104
Abstract (en)
Use of a steel alloy comprising a composition of carbon (0.15-0.35 wt.%), manganese (0.8-2.5 wt.%), silicon (1.5-2.5 wt.%), chromium (maximum 0.4 wt.%), aluminum (maximum 0.1 wt.%), nickel (maximum 0.3 wt.%), boron (0.0008-0.005 wt.%), titanium (0.005-0.1 wt.%), niobium (maximum 0.1 wt.%) and balance of iron and unavoidable impurities in a hot forming process and press hardening process, is claimed. An independent claim is included for a hot molding component and press-hardening component comprising the steel alloy.
Abstract (de)
Es wird eine Stahlsorte für die Verwendung in einem Warmform- und Presshärteprozess vorgeschlagen, die sich in Gewichtsprozent zusammensetzt aus: C 0,15 % ¤ C < 0,35 % Mn 0,8 - 2,5 % Si 1,5 - 2,5 % Cr max. 0,4 % Al max. 0,1 % Ni max. 0,3 % B 0,0008 - 0,005 % Ti 0,005-0,1 % Nb max. 0,1 % Rest Eisen und unvermeidbare Verunreinigungen sowie ein warmgeformtes und pressgehärtetes Bauteil aus dieser Stahlsorte.
IPC 8 full level
C21D 8/04 (2006.01); C21D 1/673 (2006.01); C21D 8/02 (2006.01); C21D 9/00 (2006.01); C21D 9/46 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/14 (2006.01)
CPC (source: EP US)
C21D 1/673 (2013.01 - EP US); C21D 8/0205 (2013.01 - EP US); C21D 9/0068 (2013.01 - EP US); C21D 9/46 (2013.01 - EP US); C22C 38/02 (2013.01 - EP US); C22C 38/04 (2013.01 - EP US); C22C 38/14 (2013.01 - EP US); C21D 2211/001 (2013.01 - EP US); C21D 2211/008 (2013.01 - EP US)
Citation (applicant)
- DE 2452486 C2 19851017
- DE 19743802 C2 20000914 - BENTELER WERKE AG [DE]
- DE 102005054847 B3 20071004 - BENTELER AUTOMOBILTECHNIK GMBH [DE], et al
- US 6544354 B1 20030408 - KAWANO OSAMU [JP], et al
- EP 2003221 A1 20081217 - NIPPON STEEL CORP [JP]
- EP 2039791 A1 20090325 - HONDA MOTOR CO LTD [JP]
- WO 2004102279 A2 20041125 - KONINKL PHILIPS ELECTRONICS NV [NL], et al
- DE 102008010168 A1 20090827 - BENTELER AUTOMOBILTECHNIK GMBH [DE]
Citation (search report)
- [XPAI] WO 2010137343 A1 20101202 - KOBE STEEL LTD [JP], et al
- [AP] WO 2010032776 A1 20100325 - UNIV OKAYAMA NAT UNIV CORP [JP], et al
- [AD] EP 2093304 A1 20090826 - BENTELER AUTOMOBILTECHNIK GMBH [DE]
- [AP] EP 2246456 A1 20101103 - JFE STEEL CORP [JP]
- [A] DATABASE WPI Week 200621, Derwent World Patents Index; AN 2006-200847, XP002629965
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 2341156 A1 20110706; EP 2341156 B1 20170329; DE 102010003997 A1 20110707; US 2011182765 A1 20110728
DOCDB simple family (application)
EP 10016155 A 20101229; DE 102010003997 A 20100104; US 98080510 A 20101229