EP 2767602 B1 20190417 - Cold rolled steel flat product for deep drawing applications and method for its production
Title (en)
Cold rolled steel flat product for deep drawing applications and method for its production
Title (de)
Kaltgewalztes Stahlflachprodukt für Tiefziehanwendungen und Verfahren zu seiner Herstellung
Title (fr)
Produit plat en acier laminé à froid pour applications d'emboutissage profond et son procédé de fabrication
Publication
Application
Priority
EP 13155226 A 20130214
Abstract (en)
[origin: EP2767602A1] A cold-rolled flat steel product is made from a steel comprising less than 0.1 carbon, 6.5-11 wt.% aluminum, 0.02-0.2 wt.% rare-earth metal, less than 0.1 wt.% phosphorus, less than 0.03 wt.% sulfur, less than 0.1 wt.% nitrogen, and optionally one or more elements chosen from manganese, silicon, niobium, titanium, molybdenum, chromium, zirconium, vanadium, tungsten, less cobalt, nickel, boron, copper and calcium, and remainder of iron and unavoidable impurities. A cold-rolled flat steel product is made from a steel comprising less than 0.1 carbon, 6.5-11 wt.% aluminum, 0.02-0.2 wt.% rare-earth metal, less than 0.1 wt.% phosphorus, less than 0.03 wt.% sulfur, less than 0.1 wt.% nitrogen, and optionally one or more elements chosen from less than 6 wt.% manganese, less than 1 wt.% silicon, less than 0.3 wt.% niobium, less than 0.3 wt.% titanium, less than 1 wt.% molybdenum, less than 3 wt.% chromium, less than 1 wt.% zirconium, less than 1 wt.% vanadium, less than 1 wt.% tungsten, less than 1 wt.% cobalt, less than 2 wt.% nickel, less than 0.1 wt.% boron, less than 3 wt.% copper and less than 0.015 wt.% calcium, and remainder of iron and unavoidable impurities. An independent claim is included for production of cold-rolled flat steel product.
IPC 8 full level
C21D 8/04 (2006.01); C21D 9/48 (2006.01); C22C 38/00 (2006.01); C22C 38/06 (2006.01)
CPC (source: EP US)
C21D 8/0405 (2013.01 - EP US); C21D 8/0426 (2013.01 - EP US); C21D 8/0436 (2013.01 - EP US); C21D 8/0463 (2013.01 - EP US); C21D 9/48 (2013.01 - EP US); C22C 38/001 (2013.01 - EP US); C22C 38/004 (2013.01 - EP US); C22C 38/005 (2013.01 - EP US); C22C 38/02 (2013.01 - EP US); C22C 38/04 (2013.01 - EP US); C22C 38/06 (2013.01 - EP US); C22C 38/44 (2013.01 - EP US); C22C 38/46 (2013.01 - EP US); C22C 38/48 (2013.01 - EP US); C22C 38/50 (2013.01 - EP US)
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
DOCDB simple family (publication)
EP 2767602 A1 20140820; EP 2767602 B1 20190417; BR 112015019535 A2 20170718; BR 112015019535 B1 20200915; CN 105121674 A 20151202; CN 105121674 B 20180828; ES 2736303 T3 20191227; JP 2016513178 A 20160512; JP 6388881 B2 20180912; KR 20150119231 A 20151023; PL 2767602 T3 20191031; US 10131976 B2 20181120; US 2015376751 A1 20151231; WO 2014125017 A1 20140821
DOCDB simple family (application)
EP 13155226 A 20130214; BR 112015019535 A 20140213; CN 201480022034 A 20140213; EP 2014052811 W 20140213; ES 13155226 T 20130214; JP 2015557423 A 20140213; KR 20157024980 A 20140213; PL 13155226 T 20130214; US 201414767770 A 20140213