Stainless Steel tube 1) Grade : 321, 304, 304L, 316, 316L, 317, ... ) Standards: GB/ASTM/ASME/DIN/JIS 3)TPI:SGS,BV Stainless Steel tube Features:1) pipe diameter : 6mm-630mm pipe thickness : ... :standard export packing.6.Payment:by L/C sight or T.T + copy of B/L.7.shipment:15-20 days ... of our best attention all the time. GB/T 14976-2002,GB/T 14975-2002,GB/T 13296-91,GB/T 13296-2007 Stainless Steel tube