... weight of steel ingot is 60 ton 3.The max thickness is 350mm bailey bridge is our ... best Superior products.Our steel plate up to the ... -2008A36,A283,A529ASTMSM400,SM490,SM520,SM570JIS G31064Structural steel for bridgesH:6-120W:900-4800I:3000- ... ,Q960GB/T16270-200912Wear-resistant steel H:5-150W:900-4800I:3000-2500020MnTiB,N,360,NM400 Bailey Bridge Steel Bridge