EP 1163063 A1 20011219 - HARDENED STEEL SECURITY MATERIALS
Title (en)
HARDENED STEEL SECURITY MATERIALS
Title (de)
SICHERHEITSMATERIAL AUS GEHÄRTETEM STAHL
Title (fr)
MATERIAUX DE SECURITE EN ACIER TREMPE
Publication
Application
Priority
- AU 0000048 W 20000128
- AU PP836199 A 19990128
- AU PQ130199 A 19990630
- AU PQ193099 A 19990802
Abstract (en)
[origin: WO0044511A1] A hardened steel bar, sheet, plate or other shaped material suitable for security purposes is formed from a nitridable steel which has been subjected to austenitization, oil quenching, tempering and then nitriding to provide a hardened steel material having a surface hardness of at least about 50 HRC (Hardness Rockwell "C").
IPC 1-7
B21C 37/00; C21D 1/18; C21D 9/00; C21D 9/08; C22C 38/18; E06B 9/01
IPC 8 full level
C22C 38/06 (2006.01); C22C 38/22 (2006.01); C23C 8/02 (2006.01); C23C 8/26 (2006.01); E06B 9/01 (2006.01); C21D 1/18 (2006.01)
CPC (source: EP)
C22C 38/06 (2013.01); C22C 38/22 (2013.01); C23C 8/02 (2013.01); C23C 8/26 (2013.01); E06B 9/01 (2013.01); C21D 1/18 (2013.01)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 0044511 A1 20000803; EP 1163063 A1 20011219; EP 1163063 A4 20020904
DOCDB simple family (application)
AU 0000048 W 20000128; EP 00904691 A 20000128