Grades available: 1055 4140 C45 1040 070M55 8620 12L14 X38CrMoV5-1 EN8D 40HFA E250A 1020 15CrMo5 40XH 50W EN5 SUS310S 8615 8617 Grade 4 Class 4 42CD4 4135 S40C S80C 3316 SKD11 SS304 SM45C BH13 EN8 20CrMo4 1018