Type segmentation dissects the Refractory Metals market into five principal alloys—tungsten, molybdenum, niobium, tantalum, and rhenium. Tungsten dominates with roughly 45 % of global revenue, driven by its unmatched melting point and density, which sustain demand in aerospace super‑alloys and radiation shielding. Molybdenum follows at 30 %, benefitting from its high thermal conductivity and lower cost, making it essential for steel‑strengthening and electronic contacts. Niobium, accounting for about 12 %, is prized for superconductivity applications in particle accelerators and MRI systems. Tantalum contributes near 10 % due to its corrosion resistance, underpinning capacitors and chemical‑process equipment. Rhenium, though a niche player with ~3 % share, commands premium pricing for turbine‑blade alloys in high‑temperature jet engines. This taxonomy clarifies how each metal’s intrinsic properties allocate distinct revenue streams, collectively shaping the overall market size and informing investment priorities across the value chain.