Moulding assembly for aluminothermic welding of rails and method for aluminothermic welding of rails

Method and mould for welding the ends of two rail portions

Method and device for the aluminothermic welding of rails

Welding structure with double-inclined surface of no bumping and no vibration seamless rail with high load-bearing capability

Crucible cover for aluminothermic reaction

Method and device for welding rails with heat treated head using separate alloy additives