... ,gr.b steel pipe for ordinay structure structural/Piling pipe ASTM A252 WT 1.8~30.0mm Standard GB/T 9711 ... , SCH80, SCH100, SCH120, SCH140, SCH160, XXS,etc.Length6m-32mStandardAPI 5L, ASTM A252, EN10219, EN10217, ISO3183, GB/T9711, SY/T5037, SY/T5040 ... , Bitumen Coating, zinc coating, anti-corrosion coating, 3PE, FBE,Epoxy, Cement Mortar, as per customer’s requirementHydrostatic Test RangeMax Length 21 ...