Grades available: D2 KNL EN8D SS304 SAE4340 EN19 EN24 SAE4140 EN31 D3 EN8 SAE8620 AISI 4140 SAE1042 MS SAE1010 H13 C45 EN36 EN18 IS2062 E250A 20MnCr5 SAE1018 1.2379 42CrMo4