Sizes:  O.D: 219mm-2850mm.

     W.T: 6mm-22mm.

Material: GR.B, X42, X46, X52, X56, X60, X65, X70, X80, Gr.1, Gr.2, Gr.3.

Standard:  API5L, ASTM A53, ASTM A106, ASTM A252.

Coating: PP, PE, FBE, etc.

Type: PSL1, PSL2.