EP 2754723 A2 20140716 - Method to produce a hot formed part, and part thus formed
Title (en)
Method to produce a hot formed part, and part thus formed
Title (de)
Verfahren zur Herstellung eines warm geformten Teils und so geformtes Teil
Title (fr)
Procédé pour produire une pièce formée à chaud et pièce ainsi formée
Publication
Application
Priority
- EP 11000315 A 20110117
- EP 12700452 A 20120117
- EP 14163594 A 20120117
Abstract (en)
The invention relates to a. method for manufacturing a coated steel part having very high mechanical properties using hot forming techniques. According to the invention, the method comprises the following steps: ¢ providing a coated steel blank comprising a steel substrate with a coating layer ¢ heating the blank to a temperature of 800° C or more in a furnace ¢ transporting the heated blank from the furnace and placing the blank in a hot forming press ¢ hot forming the blank in the press to form the coated steel part ¢ quenching the coated steel part wherein the heated blank has a temperature of at most 780° C when placed in the hot forming press. The invention also relates to a hot formed part manufactured using the method according to the invention.
IPC 8 full level
B21J 1/06 (2006.01); B21J 3/00 (2006.01); C21D 1/02 (2006.01); C21D 1/673 (2006.01); C21D 8/00 (2006.01); C21D 9/46 (2006.01)
CPC (source: EP)
B21J 1/06 (2013.01); B21J 3/00 (2013.01); C21D 1/673 (2013.01); C21D 1/02 (2013.01); C21D 8/005 (2013.01)
Citation (third parties)
Third party :
- DE 102005003551 A1 20060727 - VOLKSWAGEN AG [DE]
- JP 2007182608 A 20070719 - NIPPON STEEL CORP, et al
- US 2007130772 A1 20070614 - SOBE MARION [DE], et al
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)
WO 2012097976 A1 20120726; CN 103403195 A 20131120; CN 103403195 B 20160504; EP 2665837 A1 20131127; EP 2754723 A2 20140716; EP 2754723 A3 20160831
DOCDB simple family (application)
EP 2012000186 W 20120117; CN 201280005548 A 20120117; EP 12700452 A 20120117; EP 14163594 A 20120117