Grades available: EN8 SAE52100 18CrNiMo6 SAE4140 SAE4340 EN24 EN8D D2 KNL SAE1042 MS IS1875 C40 H13 D3 EN31 IS2062 E250A 1.2379 EN19 D2 EN1A 20MnCr5 AISI 4140 SAE8620