Sizes:  O.D:  406mm-1422mm.

            W.T:  7.9mm-50.8mm.

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.