1.shipping and offshore platform steel plate 2.The max weight of steel ingot ... 60 ton 3.The max thickness is 350mm shipping and offshore platform steel plate is our best Superior products.Our steel ... structural steelH:5-150W:900-4800I:3000-25000A,B,D,E,A32,D32,E32,A36,D36,E36,F32,F36,A40,D40 ... -150W:900-4800I:3000-2500020MnTiB,N,360,NM400 shipping and offshore platform steel plate