... and best service 3.Quick delivery time CommodityASTM stainless Steel PipeDescriptionstainless steel pipe, stainless steel seamless pipe, stainless welded pipeStandardAISI, ASTM, BS, DIN, JIS, ENMaterialTP304 ... , TP304L, TP310 / S, TP316L, TP316 / 316L dual grade, TP317L,TP321, TP347 ...