Copper, chromite, nickel, lead, platinum.
Incoloy 800, Inconel 600, Monel 400, Incoloy 800ht, Inconel 601, Monel K 500, Incoloy 825, Inconel 625, Nimonic 75, Incoloy 925, Inconel 718, Nimonic 80a, Inconel X 750, Incoloy A286, Nimonic 90, Hastelloy C276, Hastelloy X, Inco 713c