ERW steel pipe(Longitudinally electric resistance welded).
Size: OD:21.3 mm-610 mm.
W.T: 2.11 mm-12.7 mm.
Material: Gr A,Gr.B, Gr.C,Gr.1,Gr.2,Gr.3, X42, X46, X52, X56, X60,X65,X70,etc.
Standard: API 5L, ASTM A53, ASTM A106, ASTM A252.
Type: PSL1, PSL2.
Coating: PP, PE, FBE, etc.