Specification

Carbon steel:

S20C, S45C, S55C, S60C, C45, CK45, C60, CK60, 1020, 1045, 1060, 070M20, 070M55,

080M40, A105, ST52-3, S355J2G3, S355J2, A350 LF2

Alloy steel:

4130, 4137, 4140, 4142, 4145, 4145H, 4150, 4150M, 4330, 4340, 6150, 8620, 9840,

F11, F22, F91, F92, 20Mn6, 42CrMo4, 42CrMoS4, 709M40, 655M13, 817M40, 51CrV4,

16MnCr5, 16MnCrS5, 34CrNiMo6, 18CrNiMo7-6, 30CrNiMo8, 33NiCrMoV14-5, 39NiCrMo3

Standard

GB/T, ASME, ASTM, DIN EN, BS EN, ISO, JIS, API, AS, AFNOR, UNI

Size range

Diameter: 100 - 1200mm

Length: 1000 - 18000mm

Weigth/Pc: ≤100MT

Delivery condition

Forged (+ Annealed + Normalized + Quenched and Tempered)

Surface condition

As forged, rough turned, rough machined, rough tooled, finish machined

As per drawing

Straightness

As forged: max. 4mm/m

As RT / RM / FM: max. 1mm/m

As per drawing

Size tolerance

As forged: -0/+5mm

As RT / RM / FM: -0/+1mm

As per drawing

Certificate

CCS, BV, ABS, DNV, GL, LR, KR, NK, RINA

Application

Petrochemical, oil-gas, shipbuilding, metallurgy, thermal power, wind power, hydro power,  nuclear power, auto part, mining, engineering, heavy machinery etc