IRON-CHROMIUM BASED ALLOYS FOR LASER CLADDING

For providing laser cladded surfaces with low cracking risk in the laser cladded surface, whether macro or micro cracking, an iron-chromium based alloy is provided, consisting of by weight of total weight of alloy:Chromium (Cr): 20.5 wt% - 28.0 wt%,Nickel (Ni): up to 5.0 wt%,Silicon (Si): 0.5 wt % - 2.5 wt%,Boron (B): 0.50 wt% - 1.5 wt%,Molybdenum (Mo): 0.15 wt% - 2.0 wt%,Manganese (Mn): 0.10 wt% - 0.90 wt%,Carbon (C): up to 0.20 wt%,Niobium (Nb): up to 1.5 wt%,Copper (Cu): up to 0.2 wt%,Cobalt (Co): up to 1.0 wt%,the balance being iron (Fe) and unavoidable impurities not exceeding 0.5 wt%.