41Cr4 1.7035 SCr440 AISI 5140 Alloy Steel
34CrMo4 1.7220 SCM435 AISI 4135 Alloy Steel
42CrMoS4 1.7227 Alloy Steel
42CrMo4 1.7225 Alloy Steel
AISI 4140 L80 Alloy Steel