V práci je prezentován vývoj technologie navařování vysokopevnostními ocelemi. Jsou zde ukázány změny struktury a mechanických vlastností v důsledku tepla vneseného při svařování. (cs)
In article were presented development of hard surfacing for railway frogs. There were presented structure changes and changes of mechanical properties in consequence of heat transfer during welding.
In article were presented development of hard surfacing for railway frogs. There were presented structure changes and changes of mechanical properties in consequence of heat transfer during welding. (en)