... ):,30Kg,43kg, 56kg, 74kg, 100kg etcMaterials:55Q,50Q,Q235Length:6,8,9,10product: heavy railplace of origin: ChinaDesignationMain Size(H B ... P A)Moment of inertia(J*cm4)Section module(W*cm3)Tensile ... 3117845.67031.8A6575 65 175 3831971.47043.1A7586 75 200 45531105.47056.2A10095 100 200 60858162.27074.3A120105 120 220 721361235.170100 ...