A36 Carbon Steel Perforated Sheet, Unpolished (Mill) Finish, Hot Rolled, Staggered 0.25" Holes, ASTM A36, 0.1875" Thickness, 7 Gauge, 24" Width, 24" Length, 0.375" Center to Center, OnlineMetals

A36 steel offers good strength, high durability, easy weldability, and is the most common low-carbon structural steel. 0.25" Holes, ASTM A36, 0.1875" Thickness, 7 Gauge, 24" Width, 24" Length, 0.375" Center to Center Hot Roll A36 is often used for architectural details, ventilating, and furniture 1You may also like 1/4" .25" Hot Rolled Steel Sheet Plate 12"X 36" Flat Bar A36$$Building Supply.