World Iron&Steel mainly supply seamless gas cylinders tubing, accumulator shell and gas bottle pipe.
Grade: 37Mn, 137Mn/2 ,34Mn2V, 30CrMo, 35CrMo, 34CrMo4, 42CrMoE,30CrMnSiA,4130X, 4145,4147，
OD: 38 - 1200mm
WT: 3.5 -120mm
Length: 4 - 12
Process: Hot rolled, Hot rolled+Hot expand,Hot rolled+Cold drawn, or Hot rolled+hot expand+cold drawn
Delivery Condition: Without heat treatment, Normalized + Tempered,Quenched + Tempered
