... .Standard: ASTMA511, A312, A269. 3.Length6m--12mm OD:6mm-830mm. hot-rolled carbon seamless steel pipe.Description of product:1. ( ... weldedEndPlain, beveled, with end cap 2. Carbon seamless steel pipeSizeDiameter:1/2inch to 32inchThickness: sch5 to schxxsSurfaceGalvanized or ... drawn, hot rolled, hot expansion, cold rolledTypeRound pipe and square pipeMaterial20#, 45#,Q235,20G,A106B,A53B,AISI 1010, AISI ...