Perforated steel panels Materials: iron plate or steel plate Uses: perforated steel panels are widely used in the core of filter, medicine, filtering, breeding, battery, mechanical protecting, making the crafts, the meshes for the high-grade sound box, decoration, the seating for children, baskets, etc. Specification of steel panels: (1)cold rolled steel sheet Thickness:0.2mm-1mm Length:1m-20m Hole diameter:0.8mm-10mm (2)plate Thickness:0.3mm-10mm Size:, 1.5, 3m Hole diameter:0.8mm-100mm