FeMo - Feromolybden, FeNb - Feroniob, FeV - Ferovanad, FeW - Ferowolfram FeTi - Ferotitan...
Ni, Co, Sn, Mo, W, Ta, Nb, Ti, Pd, Au, Ag. (pruvlaky, monolity, frézy, vrtáky
Železo, litina, med, mosaz, olovo, cín