... Tube/Pipe 1.ASTM A106/A53 GR.B 2.Outer diameter:1/2"-48" 3.Wall thickness:SCH10-XXS 4 ... ST52 Grade: 10#, 20#, 45#, St52, ST35 Thickness: 2.11 - 59.54 mm Section Shape: Round Outer Diameter: 13. ... 7 - 1219.2 mm Place of Origin: Hebei China (Mainland) Secondary Or ... days Specifications Carbon steel pipe 1.Size: 1/2"-48" 2.Thickness: Sch10-Sch160,XXS,XS,STD 3.Standard: ...