Alloy Steel

GB/T standard: 16Mn, 20Mn, 40Cr, Q345D, Q345E,42CrMo, 20CrMo, 38CrMoAl, 40CrNiMo; 48CrMo, 5CrNiMo;

JIS standard: SCM415, SCM420, SCM440, SNCM439, SNCM220; SACM645
ASTM standard: SAE4140, SAE4130, SAE9840, SAE4340, AISI4145H,SAE4150,SAE8620
DIN standard: 42CrMo4, 25CrMo4, 34CrNiMo6, 39CrNiMo3, 17NiCrMo6, 18CrNiMo7-6, S355J2G3, ASTM A105, 18NiCrMo5

Delivery condition: Hot forged +Rough machined or black surface (optional)
Process: EAF(ESR) + LF + VD + Forged + Heat Treatment (optional)
Size Range:90mm-1000mm
Length: 4.0m and up(Or fix length according the customer requirement).
Inspecting: UTS according to SEP1921 C/c, D/d, E/e, A388 or GB/T 6402 Cut both ends
As forged condition straightness: ≤ 4mm/m, Rough turned bar straightness: ≤ 1mm/m
As forged diameter tolerance: -0/+5mm; Rough turned diameter tolerance: -0/+3mm
Delivery: By both negotiation. (By bulk shippment or By Container)