... BARS GRADE: 304/L, 316/LSPEC.: ASTM A511 PRODUCTION EQUIPMENT 18M vacuum annealing furnace,LG-150,LG-60 Primary pilger machine,LD ... Heavy pilger machineVacuum annealing furnace(18M)Inner bornTube aligning machinePolishingTEST EQUIPMENT Hydrostatic test Laser diameter testMachanical propertyUT test stainless steel seamless ...