A.20Cr B.35CrMo C.50CrVA D.GCr9 E.Q390 F.T9 G.Q460
A.Cr12 B.Cr12MoV C.Cr2 D.9Mn2V
A.W18Cr4V B.W6Mo5Cr4V2 C.Cr2 D.9Mn2V