Low-Alloy Steel 90/60 105/85 120/95 150/125 165/150 4130/4140 4340 8620 WC1 WC6 WC9 C5 C12 8640 6150 4620 4150 STG50 STG32T 1065 LC2 LC3 ASTM A 487 0 SHARES Share on Facebook Tweet Follow us