... Quality and Price The materials of our stainless steel pipes are SS200series,SS304,SS304L,SS316,SS316L,SS321, ... ,JIS,BS,DIN,Stainless Steel PipeFeatures:1) Outer diameter: from 6mm to 530mm2) Wall thickness: from 1.5mm ... cost8) Certificate: ISO, TSG, OIISAS9) The stianless steel pipe 304 is applicable to structure building, gas pipe ... food industry,light industry,machinery stainless steel welded pipe tube