EP 1666624 A4 20090722 - HOT DIP ZINC PLATED STEEL SHEET AND METHOD FOR PRODUCTION THEREOF
Title (en)
HOT DIP ZINC PLATED STEEL SHEET AND METHOD FOR PRODUCTION THEREOF
Title (de)
FEUERVERZINKTE STAHLPLATTE UND HERSTELLUNGSVERFAHREN DAFÜR
Title (fr)
TOLE D'ACIER PLAQUEE DE ZINC PAR IMMERSION A CHAUD ET PROCEDE DE PRODUCTION DE CETTE TOLE
Publication
Application
Priority
- JP 2004012704 W 20040826
- JP 2003307072 A 20030829
- JP 2003307073 A 20030829
- JP 2003324770 A 20030917
- JP 2003324771 A 20030917
- JP 2004008967 A 20040116
Abstract (en)
[origin: EP1666624A1] The invention provides a hot dip galvanized steel sheet which has: a hot dip galvanizing layer having a flat part on a surface thereof; and a film formed on the flat part. The film is composed of a compound containing Zn, Fe, and O, having an average film thickness A in a range from 10 to 100 nm determined by an element analysis of the film, and has { [Fe] / ([Zn] + [Fe]) } in the film in a range from 0.002 to 0.25, where [Zn] and [Fe] designate the content (% by atom) of Zn and Fe in the film, respectively. Since the hot dip galvanized steel sheet of the invention has excellent press-formability, bondability, and phosphatability, it is suitable for automobiles and electrical appliances.
IPC 8 full level
C23C 2/06 (2006.01); C23C 2/26 (2006.01); C23C 22/06 (2006.01); C23C 22/53 (2006.01)
CPC (source: EP KR US)
C21D 9/46 (2013.01 - KR); C22C 18/00 (2013.01 - KR); C23C 2/06 (2013.01 - EP KR); C23C 2/26 (2013.01 - EP US); C23C 2/28 (2013.01 - KR); C23C 2/40 (2013.01 - KR); C23C 22/08 (2013.01 - EP KR); C23C 22/53 (2013.01 - EP KR); C23C 22/78 (2013.01 - EP KR); C23C 22/83 (2013.01 - EP KR)
Citation (search report)
- [X] JP 2002256448 A 20020911 - NIPPON KOKAN KK
- [EX] EP 1616973 A1 20060118 - JFE STEEL CORP [JP]
- [A] EP 1288325 A1 20030305 - NIPPON KOKAN KK [JP]
- See also references of WO 2005021823A1
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 1666624 A1 20060607; EP 1666624 A4 20090722; EP 1666624 B1 20170607; CA 2535894 A1 20050310; CA 2535894 C 20091006; CN 1846011 A 20061011; CN 1846011 B 20110608; KR 20060033811 A 20060419; TW 200516172 A 20050516; TW I288188 B 20071011; WO 2005021823 A1 20050310
DOCDB simple family (application)
EP 04772660 A 20040826; CA 2535894 A 20040826; CN 200480024919 A 20040826; JP 2004012704 W 20040826; KR 20067002694 A 20060208; TW 93125778 A 20040827