Niobium (Nb)
CRITICAL RISKOverview
A ductile transition metal that dramatically strengthens steel at extremely low concentrations while also enabling high-field superconducting applications. Niobium is essential to advanced aerospace alloys, armored vehicle steel, naval systems, pipelines, and superconducting magnet technologies.
Risk score
95/100 — supply chain threat level: Critical
Primary use cases
High-Strength Steel, Aerospace Alloys, Superconductors, Naval Vessels