stainless steel perforated pipe 1.ASTM A213/312/269 2.304,304L ... 201 3.polish,anneal Stainless steel perforated pipe1.ASTM,DIN,JIS,EN,KS,ASMEASTM (ASME) SA/A213/M ... 269 ASTM(ASME)312 JIS G3459 JIS G3463 DIN 17456 DIN 174582.304,304L,309S,317L,316,316L,316Ti ... 1.Sizes:Diameter:6-610mm Wall Thickness:0.5-60mmO.D:3/8",1/2",3/4",1",1 1/4",1 1/ ... 2",2",2 1/2",3",3 1/2",4",5", ...