... : 304, 304L, 310S, 316L, 317L, 321, 347, and So on. Seamless and Stainless Steel Tube 1) Material: 304, 304L, 310S, 316L, 317L, 321 ... , 347, and So on.2) Standards: ASTM/DIN/JIS/EN3) Size: OD ... )mm.4) Polishing: 180#, 240#, 320#, 400#, 600# etc.5) OD Tolerance: +/-0.15mm6) Thickness: +/-10% of wall thickness7) End Application ...