EP 0713926 B1 19981223 - Process for the nitrocarburation of steel parts in a salt bath
Title (en)
Process for the nitrocarburation of steel parts in a salt bath
Title (de)
Verfahren zur Nitrocarburierung von Stahlteilen im Salzbad
Title (fr)
Procédé de nitrocarburation des pièces d'acier dans un bain de sels fondres
Publication
Application
Priority
DE 4442328 A 19941129
Abstract (en)
[origin: DE4442328C1] Process for pretreating structural parts made form steels that form a passive layer, esp. alloy steels with more than 10 wt.% Cr and/or more than 4 wt.% Ni, before nitro:carburisation, comprises treating the parts in an oxidising salt melt at 300-500 deg. C.
IPC 1-7
IPC 8 full level
C23C 8/56 (2006.01); C23C 8/02 (2006.01); C23C 8/58 (2006.01)
CPC (source: EP US)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
DE 4442328 C1 19950921; CA 2163917 A1 19960530; DE 59504625 D1 19990204; EP 0713926 A1 19960529; EP 0713926 B1 19981223; JP 3636394 B2 20050406; JP H08209324 A 19960813; US 5735971 A 19980407
DOCDB simple family (application)
DE 4442328 A 19941129; CA 2163917 A 19951128; DE 59504625 T 19951023; EP 95116735 A 19951023; JP 30911895 A 19951128; US 56354795 A 19951128