42CrMo
42CrMo Alloy Structural Steel
Cr-Mo steel with high strength, toughness, hardenability and fatigue resistance
Composition
C 0.42%
Cr 1.0%
Mo 0.22%
Mn 0.7%
Si 0.27%
Fe 97.4%
GB: 42CrMo
ASTM: 4140
JIS: SCM440
EN: 42CrMo4
ApplicationsHeavy-duty shafts, gears, wind-turbine spindles, dies, oil-drilling tools
Key producersBaosteel, Ansteel, HBIS Group, CITIC Metal