Hot Rolled Preharden SAE 4340 JIS Sncm439 1.6511 36CrNiMo4 En24 817m40 Alloy Steel Plate
SAE 1045 1020 Steel Round Bars with Dia 20mm to 800mm, 20mncr5 Round Steel Bar
4340 Forged Steel Bar 817m40 36CrNiMo4 34CrNiMo6 1.6582 1.7225 42CrMo4 4140 4130 8620 080m40 070m20 1045 1.1191 C45 S45c 25crmo4
Customized AISI 4340 High Precision Long Straight Tail Forging Steel Shaft Square Bar Beam Shaft