TP304/304L/310S/316/316L/321/321H,etc. ASTM A312/213/269 Standard: ASTM A-312, A-213, A-269, A-249. A270Materail Grade: TP304, TP304L, TP316L, TP321, TP310S, , etc.Out-Diameter: 6mm--355.6mmWall-thickness: 0.8mm--42mmLength: exact or random as per buyers' requirementsFinish: Pickling / Polishing