C-Cr-V-Nb-B- alloyed fl ux cored wire electrode for extreme mineral wear. The weld deposit has a high scratch hardness. Applications are sinter plants, lignite mining machines, gravel industry, chains, etc. It should be pre-heated and held at a temperature of 450 °C. The cooling rate should be slow and preferably in a furnace. Welded with 2-3 layers (max. 10 mm).