Grades available: SAE4140 SAE1010 EN8 D2 KNL H13 EN19 EN24 D2 SAE1008 MS EN8D SAE8620 Cr12MoV SAE1018 42CrMo4 SAE4340 C45 SAE1042 20MnCr5 AISI 4140 1.2379 SAE52100 EN31