Grades available: SAE52100 MS 42CrMo4 EN24 D2 KNL C45 H13 EN31 SAE4340 SAE1010 D2 AISI 4140 SAE1042 SAE8620 EN19 SAE1018 1.2379 SAE4140 20MnCr5 EN8 EN8D Cr12MoV