... .Thickness:1.5mm-500mm Hot Rolled Steel Plate descriptionGradeSpecification MMStandardUse scopeCommon carbon steel plateQ235A,B,C,D Q255A,B, ... -4100Length:6000-28000GB/T3274-2007Steel structure,city buiding,mechanical productionLow alloy steel plateQ345A,B,C,D,E Q390A ... :6000-28000GB/T3274-2007Steel structure,city buiding,mechanical productionFine carbon structure steel plate10-55#,20Mn,50MnThickness:6- ...