... 55Q,50Q,Q235 Length:as your requirements Steel RailSpecification(KGS/M):9kg,12Kg,15Kg,18kg,22Kg,24Kg,30Kg etcMaterials:55Q, ... 89Sizes Dimension(mm) Weight(kg/m) Materail Length(m) Headwidth Height Base width Web thickness 8kg/m 25 65547 8.42Q23555Q 6- ... 79.3779.378.33 15.2 18kg/m 40 9080 10 18.06 22kg/m 50.8 93.6693.66 10.72 22 ... .3 24kg/m 51 1079210.9 24.46 ...