Out Diameter and Inside Diameter Tolerance / WT Tolerance : ±0.08mm/ or as per production standard, or up to your required.Length Tolerance:-0/+6mm;Straightness::Max.0.15mm/m;Concentricity: ±0.015mm;
Length:6m/12m customizedThickness:1.3mm-10mmZinc coating:normal or as per customer’s requirementStandard:ASTM A53,BS1387, GB/T3091, EN10219, EN39, BS1139, ISO65, API 5L etc.Surface treatment:Galvanized/ Varnished painted(or other color)Packing:To be packe