Alloy SteelJune 21, 2023Alloy Steel Specifications Sheet and Plates Grades : F 5, F 9, F 11, F 12, F 22, F 91. Sheet and Plates Range : 5 mm To 200 mm thick in 1000 mm TO 2500 mm width & 2500 mm to 12500 mm Standard : ASTM / ASME A/SA 387