HOT ROLLED BARS: Rounds: 0.75" to 2.375" diameter 19 mm to 60 mm diameter Square Edge Flats: 2" to 4" wide by 0.25" to 0.75" thick Round Edge Flats: 2" to 4" wide by 0.25" to 1" thick 51 mm to 102 mm wide by 6 mm to 25 mm thick (For special sizes, please inquire.) BILLETS: 5.125" x 7.375" 130 mm x 187 mm