1008 Carbon Steel Rectangular Perforated Sheet Material Carbon Steel Material Grade 1008 Open Area 46 Percent Thickness 0.048 in Overall Length 40 in Overall Width 36 in Hole Diameter 0.156 in Hole Shape Round Hole Pattern Staggered Center Spacing 0.22 in Gauge 18 ga Mechanical Finish Mill Fabrication Cold Finished Machinability Not Rated Standards ISO 9001 2015 Tensile Strength 49 000 psi Heat Treatable Yes Heat Treatment Tempered Brinell Hardness 95