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