Rhodium Pseudo palladium (rhodium–silver alloy) Samarium SmCo (cobalt); used for permanent magnets in guitar pickups, headphones, satellite transponders, etc. Scandium Scandium hydride (hydrogen) Silver Argentium sterling silver (copper, germanium) Billon Britannia silver (copper) Doré bullion (gold) Dymalloy (copper, metal matrix composite with diamond) Electrum (gold) Goloid (copper, gold) Platinum sterling (platinum) Shibuichi (copper) Sterling silver (copper) Tibetan silver (copper) Sodium NaK (potassium) Titanium 6al–4v (aluminium, vanadium) Beta C (vanadium, chromium, others) Gum metal (niobium, tantalum, zirconium, oxygen); used in spectacle frames, precision screws, etc. Titanium hydride (hydrogen) Titanium nitride (nitrogen) Titanium gold (gold) Tin Babbitt (copper, antimony, lead; used for bearing surfaces) Britannium (copper, antimony) Pewter (antimony, copper) Queen's metal (antimony, lead, and bismuth) Solder (lead, antimony) Terne (lead) White metal, (copper or lead); used as base metal for plating, in bearings, etc. Uranium Staballoy (depleted uranium with other metals, usually titanium or molybdenum). See also Iron above for Staballoy (stainless steel). Uranium hydride (hydrogen) Zinc Zamak (aluminium, magnesium, copper) Electroplated zinc alloys See also Complex metallic alloys Heusler alloy, a range of ferromagnetic alloys (66% copper, cobalt, iron, manganese, nickel or palladium) High-entropy alloys Intermetallic compounds List of brazing alloys Pot metal; inexpensive casting metal of non-specific composition Notes References Alloys