Specification and Code ASTM A312/312M:TP304/L, TP316/L, 347H, 904L ASTM A790/790M:S31803, S32205, S32750 … Types: Welded – SeamlessSizes: 1/8″ – 36″ +Schedules: S/5s – XXH Origin Chinese Approved Mills Chinese Non-Approved Mills European Mills Japan Mills Value-Added Services Cutting to length NDT Shotblasting Grinding …