... sheet/plate/Hole patternsround,rectangle,square,oval, hex,slot ,etcStandardJIS, AISI, ASTM, GB, DIN, ENThickness0.2-15mmHole Dia0.8mm-100mm TechCold ... .Grade201,202,304,304L,309S,310S,316,316L,316Ti,317L,321,347H,409,409L,410,420,430 etcBrandTISCO ,BISCO, etcSurcaceNO.1 ... BEST PRICE AND QUALITY WELCOME TO STEEL SHUN .CO.LTD aisi 321 stainless steel perforated sheet/plate