Hard magnetic alloy and cast body

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Hard Magnetic Alloy, characterized in that these in their composition of the formula (c-x B x + Gb) a Fe b SE (1-y Niy Co)d Ale c corresponds to, wherein at least one element with rare earths Nd SE, Pr, Sm and Y group formed from GB is at least element and wherein with Si, P, carbon, group formed is [...] of B and N, with a = 100 - (b + c + d + e) (b + c + d + e) ≤ 60 b = 15 to 55 c = 3 to 10 d = 3 to 10 e = 5 to 15 -each in atomic %-and with X = 1 to 3 y = 0 to 0, 5 and with optionally contained small, manufacturing admixtures and Impurities.