stainless steel pipes and tubes ASTM A213 ,ASTM A 312,ASTM A 269,ASTM ... material:TP321,304,304L,316,316L,310S,316TI.904L stainless steel pipes and tubesspecification :ASTM A213 ,ASTM A 312,ASTM A 269 ... :0.5-16mmannual out:10000tonsWe are the manufacturer of titanium and stainless steel products in China set up in 1958, have the ...