... , A269. 3.Length6m--12mm OD:6mm-830mm. hot-rolled carbon seamless steel pipe.Description of product:1. (1) Stainless steel ... 32inchThickness: sch5 to schxxsSurfaceGalvanized or coatedTechniqueCold drawn, hot rolled, hot expansion, cold rolledTypeRound pipe and square pipeMaterial20#, 45#,Q235,20G,A106B,A53B ... /T or L/C or as our discussion International quality hot-rolled carbon seamless steel pipe