HYPEREUTECTIC WHITE IRON ALLOYS COMPRISING CHROMIUM, BORON AND NITROGEN AND ARTICLES MADE THEREFROM

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Disclosed are a hypereutectic white iron alloy and articles such as pump components made therefrom. Besides iron and unavoidable impurities the alloy comprises, in weight percent based on the total weight of the alloy, from 3 to 6 C, from 0.01 to 1.2 N, from 0.1 to 4 B, from 3 to 48 Cr, from 0.1 to 7.5 Ni and from 0.1 to 4 Si and, optionally, one or more of Mn, Co, Cu, Mo, W, V, Mg, Ca, rare earth elements, Nb, Ta, Ti, Zr, Hf, Al.