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B30
Standard JIS G 7401-2000 Steels for cold heading and cold extruding
Standard ISO 4954-1993 Steels for cold heading and cold extruding second edition
Standard ASTM A534-2014 Carburizing Steels for Anti-Friction Bearings


Chemical Composition(%)


Standard Material Designation Chemical Composition (%)
ISO 4954-1993
Steels for cold heading and cold extruding second edition
18CrMo4E
(B30)
 
Min
Max
ASTM A534-2014
Carburizing Steels for Anti-Friction Bearings
18CrNiMo7-6
(B30)
 
Min
Max
JIS G 7401-2000
Steels for cold heading and cold extruding
18CrMo4E
(B30)
 
Min
Max
For Reference Only