... prices 4.fast delive Carbon Steel seamless PipeStandardANSI,ASTM ,API.DIN,GB.JISMaterialA106 Gr A,B, ... A53 Gr B,ASTM A179,A106GrB,ASTM A53GrB,St42,St45,A179,A135,A315B, ... XXSUsageStructure Use,water transport,Building,Machinery,Traffic,Aviation,Oil development ect.OD TolleranceD<50mm,+-0.5mm ,D ... bundles,Caps , plastic wrap,loading belt ASTM Standard seamless carbon steel pipe