Materials High entropy alloys Liquid–liquid extraction Mining Chemical substances High-strength low-alloy steel Niobium Crystals Metal Chemistry Metal Manufacturing Superconductivity Physical sciences Tantalum Thorium Sets of chemical elements Gravimetry Chemical compounds Steel Charles Hatchett High entropy alloys Nature Oxide Corrosion Building material Metal Tantalum(V) chloride Solids Technology Tantalum pentoxide Hydroxides Alloy Iron Physical chemistry Chlorine Stainless steel Anders Gustaf Ekeberg Chloride Titanium Redox Ingot Capacitor Tool steel Columbite Alkaline earth metal Companhia Brasileira de Metalurgia e Mineração Sintering Lithium Electric arc furnace World Customs Organization Rare-earth element Hafnium Potassium Hydrofluoric acid Superalloy Alkali metal Zirconium Tantalum carbide Tin Minerals Uranium Glass Pyrochlore Fluoride Smelting Solutions Neutralization (chemistry) Electronics Scrap Vacuum tube Harmonized System Lithium niobate Quantum computing Thorium dioxide Natural resource Mineralogy Silicon Sodium Niobium–tin Transition metals Screw Metallurgy Distillation Chemical element Slag Building engineering Engine Natural materials Aluminium