1.Standard: ASTM B338, B337, B861 2.Material: Gr1, Gr2, Gr3, Gr7, Gr9, ... , WT 0.4-10mm, L 15000mm (Max) Features:1.Standard: ASTM B338, B337, B8612.Material: Gr1, Gr2, Gr3, Gr7, Gr9, Gr123 ... )Final product test: Ultrasonic test, Eddy current test, Hydraulic test, Bend test, Flaring test and so on. Third party inspection is ...