(Super) Duplex Phase Stainless Steel Tubes Specifications-ASTM, ASME, JIS, DIN, GB etc.CCS, ABS, GL, LR, DNC, BVGrades-304, 304L, 304H, 316L, 316Ti, 904L, 314,310S, 2205(UNS31803), 317L, 347H, 2522, 321H etc.*TEST PERFORMEDLeakness tightness Test, Hydrostatic test, Eddy current TestDestructive Tests – Flattening & BendingNon – Destructive Tests – Electromagnetic (MPI) or UltrasonicTest, and / or ...