... mirror. 2.exact dimension 3.Fast delivery ASTM 304L Stainless steel tube Standard: ASTM/ASTM A312, ASTM/ASME A213, ASTM/ASME ... /Grade: 304, 304, 304L, 316L, 321H, 317, 347H, 310S, 2205, 2507, 904L etc.Type: seamless austenitic stainless steel pipeASTM 304L Stainless steel tubeProcessing method ... , chemical industry, pharmaceutical, shipbuilding, train, engine, and so on. 304 seamless steel tube/pipe