... 904L. SPEC.: ASTM A312, A790;DIN17456, 17458;JIS G3459, 3463. STAINLESS STEEL SEAMLESS PIPESGRADE: 304/L, 316/L, 321, 316Ti, 310S ... DIN17456, 17458;JIS G3459, 3463.OD: 1/8” (10.29MM) ~ 18”(457.20MM)WT: 1.24MM ~ 35MMPRODUCTION EQUIPMENT18M vacuum annealing furnace,LG ... machinePolishingTEST EQUIPMENT Hydrostatic test Laser diameter testMachanical propertyUT test stainless steel seamless pipeA312