... stainless welded steel pipe 1)Diameter:12-830mm 2)Wall Thickness:2.5-50mm 3)Length:2-12m 4)Certificate:ISO round stainless ... welded steel pipe 1.Material: 201,202,321,301,302,304 ... ,301,304,304L,316,316L,409L,etc.2) Applied field:Stainless steel welded pipes for food industry,supply and drainage water pipe ...