... /T4001, ANSI/NAAMM-MBG531, BS4592, AS1657, JS3101Grating Steel Material:Low Carbon Steel, Mild Steel, Grating Size:3'x20', 3'x24', 3'x30', 1000x1000, 1000x5800 ... -2, 30/100, 40/50, 60/100 and allGrating Application:steel platform, flooring and walkway, trench cover, stair treadPayment & Shipping Terms ... , Western UnionSupply Ability: 15000Square Meter/Square Meters per month serrated steel grating