... to 2420", 3.Wall Thickness: from 6mm to 25 ProductsODW.T.StandardLengthSeamless pipes4" to 24"SCH20,30,40 ... 27SiMn,12Cr1MoV,Q235, ST42,ST52,A106-a,A106-b, and so on Length 6-12m. As customers ... foroil casing andtubing in oil wellsAPE SPEC 5LA, B, X42APISeamles Steel Tubesand Pipes forHigh Pressure BoilerGB5310-199520G ... , JIS G3441-1988 1.Specification: API 5L GR.B SSAW steel pipe line pipe ,2.Size: from ...