... )Perforate sheet material :stainless steel plate, ss302, 304, 304L, 316, 316L .(2)hole:0.2-500mm(3)hole shape :round ,square, diamond, other ... instance, filter, filter pipe, water and gas treatment equipment. Stainless Steel Perforated Metal sheets - Type 304Hole DiameterStaggered CentersSheet ThicknessOpen Area0.033 In.0 ...