The products conform to API Spec 5L, API Spec.5CT, ,ASTM, ASME, GB/T9711.1, GB/T9711.2 and other Standards. We can supply steel pipe with external coating as 2PE, 3PE and fusion bonded epoxy, as well as steel pipe internal liquid solvent free epoxy lings. Our welded pipes are widely suited to long distance steel pipe line such as petroleum, natural gas, water, coal gas and mineral slurry, as well as oil well casing.
Standard: API Spec 5L, API Spec.5CT, GB/T9711.1/2
Grade: GB/T9711: L210-L485, API 5L : A-X70
External Coating: 2PE, 3PE, FBE
Internal Coating: Cement or bitumen