Forged steel round bar
Grade: 30CrNiMo8
Similar grade: A320L43, 1.6580
Chemical compostion:
C: 0.26/0.34; Si: 0.15-0.35; Mn: 0.50/0.80; P: Max 0.025; S: Max 0.035
Cr: 1.80/2.20, Ni: 1.80/2.20, Mo: 0.30/0.50;
Standard: EN 10083-3: 2006
Temperature: Hot forging 1050-880
Soft Annealing: HB Max 248
Normalizing: 870-880 Air;
Quenching: 830-860 oil or polymer,
Tempering: 540-660 air;
Delivery state: Hot forged +Normalizing/Annealing+Rough Turned+ Quenching+ Tempering, .
Or Only forged of black surface bars.
Size: 90mm~800mm
Length: 4.0m and up(Or fix length according the customer requirement).
Inspecting: UTS according to SEP 1921 C/c, D/d, E/e, A388 or GB/T 6402
Cut both ends
Min. Qty.: 15MT per size.
Delivery: By both negotiation. (By bulk shippment or By Container)
Other Steel Grade:
Carbon Steel: C45, CK45, C60, CK15
Alloy Steel: ST52-3, ASTM A105, 42CrMo4, S355J2G3, 20NiCrMo2, 16MnCr5, 20MnCr5,
34CrNiMo6, 18CrNiMo7-6, 39CrNiMo3, 17CrNiMo6, 21CrMoV511, 56NiCrMoV7,
S355J2, 41Cr4, 51CrV4, 41CrAlMo7, 40NiCrMo7, 40NiCrMo3; 40CrMoV4-6,
34CrAlNi7-10, 30CrNiMo8
Manufacturer: Jiangsu Zhuhong Forging Co., Ltd