Carbon Steel Perforated Sheet, Material Carbon Steel, Material Grade A36, Open Area 63 Percent, Thickness 0.036 in, Overall Length 36 in, Overall Width 12 in, Hole Diameter 0.156 in, Hole Shape Round, Hole Pattern Staggered, Center Spacing 0.19 in, Gauge 20 ga, Mechanical Finish Mill, Fabrication Hot Rolled, Machinability 72 Percent, Standards ASTM A36, Tensile Strength 58,000 psi, Heat Treatable Heat Treatable, Heat Treatment No Heat Treatment, Appearance Metallic, Brinell Hardness 140