... .4mm to 2.5mm 3.Material: 201,304,316,ect stainless steel industrial welded pipe description: 1) Standard: JIS, AISI, ASTM, DIN2) ... ,316,316L,4305) Surface: mirror polish,satin finish6) Application: kitchen utensils, medical apparatus and instruments, household appliances chemical equipment, architecture ... : We can produce other mold as the customers’ requirement stainless steel industrial welded pipe