railway rails by train Size. 5kg/m,8kg/m,11kg/m,15kg/m,18kg/m,24kg/m Material, Q235 ,55Q Standard, GB ... over the world, railway rails by train Size. 5kg/m,8kg/m,11kg/m,15kg/m,18kg/m,24kg/mMaterial, Q235 ,55QStandard ... to conduct good business under this guideline and by sincerely work.For more information about our company ... details as followed; RAIL SIZE(KG/M)Specification (mm)Section area F(mm2)Theoretical ...