1.Specification:SSAW steel pipe line pipe 2.Size: from 219" to 2420", 3.Wall Thickness: ... ,Q235, ST42,ST52,A106-a,A106-b, and so on Length 6-12m. As customers requestments. Model Number 10.29mm-508mm ... -1988 1.Specification: API 5L GR.B SSAW steel pipe line pipe ,2.Size: from 219" to 2420", 3.Wall Thickness ...