Apak Metal A.Ş. este un producător de aliaje de cupru dur (CuCrZr, CuNiSi, CuCoNiBe, CuCo2Be, CuBe2, CuTeP), aliaje de cupru-nichel (CuNi10Fe1Mn, CuNi14Al3, CuNi30Mn1Fe), bronzuri de aluminiu (CuAl9Mn2, CuAl10Ni5Fe4, CuAl10Ni6Fe6), bronzuri de staniu (CuSn10, CuSn12, CuSn14, Rg5, Rg7, Rg10, CuPb10Sn, CuSn6, CuSn8), alamuri (CuZn37, CuZn40, CuZn35Ni2, CuZn40Al2), metale refractare (W, WCu, MoTiZr),...