Stainless Steel tube 1) Grade : 321, 304, 304L, 316, 316L, 317, 317L,310s ... : GB/ASTM/ASME/DIN/JIS 3)TPI:SGS,BV Stainless Steel tube Features:1) pipe diameter : 6mm-630mm pipe thickness : 0.8mm ... Part Inspection is acceptable.9.trade terms:FOB SHANGHAI or Ningbo,or CIF import port.11.certificate:ISO,SGS,and third ... -2002,GB/T 13296-91,GB/T 13296-2007 Stainless Steel tube