EP 0225425 A2 19870616 - Low alloy steel having good stress corrosion cracking resistance.
Title (en)
Low alloy steel having good stress corrosion cracking resistance.
Title (de)
Niedriglegierter Stahl mit guter Beständigkeit gegen Spannungsrisskorrosion.
Title (fr)
Acier faiblement allié présentant une bonne résistance à la corrosion fissurante sous tension.
Publication
Application
Priority
JP 24970785 A 19851106
Abstract (en)
The present invention relates to low alloy steel and specifically to nickel-chrome-molybdenum steel. A low alloy steel having excellent stress corrosion cracking resistance containing C : @</=@ 0.40 %, Si : @</= @ 0.15 %, Mn : @</=@ 0.20 %, P : @</=@ 0.010 %, S : @</=@ 0.030% Ni : 0.50 to 4.00 %, Cr : 0.50 to 2.50 %, Mo : 0.25 to 4.00 % and V : @</=@ 0.30 %, said Si, Mn and P being fulfilled with relationship of Si + Mn + 20P @</=@ 0.30 %, the remainder comprising Fe and unavoidable impurities, the prior austenite crystal grain size being in excess of 4 of ASTM crystal grain size number.
IPC 1-7
IPC 8 full level
C22C 38/00 (2006.01); C22C 38/44 (2006.01); C22C 38/46 (2006.01)
CPC (source: EP)
C22C 38/44 (2013.01); C22C 38/46 (2013.01)
Designated contracting state (EPC)
CH DE LI
DOCDB simple family (publication)
EP 0225425 A2 19870616; EP 0225425 A3 19881005; EP 0225425 B1 19910821; DE 3680995 D1 19910926; JP S62109949 A 19870521
DOCDB simple family (application)
EP 86108534 A 19860623; DE 3680995 T 19860623; JP 24970785 A 19851106