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In 2026, molybdenum—long viewed as a by-product of copper mining—has captured global investor attention like never before. As of May, the IMF molybdenum spot price had climbed to $65,503 per tonne, up 48.9% year-over-year, representing a sharp move from roughly $20/lb to nearly $30/lb. This rally is not simply a by-product rebound tied to the steel cycle; rather, it reflects how critical minerals competition is spreading to adjacent materials with overlapping industrial functions.
Export Controls and the Scarcity of Functionality
In February 2025, China’s Ministry of Commerce and the General Administration of Customs jointly issued Announcement No. 10, imposing export controls on items related to tungsten, tellurium, bismuth, molybdenum and indium. For downstream manufacturers, this translates into licensing risks, extended lead times, and heightened procurement uncertainty across defense, electronics, aerospace and other supply chains. Tungsten’s hardness, density and heat resistance make it difficult to replace in cemented carbides, cutting tools, defense penetrators and high-temperature applications—yet China accounts for approximately 82% of global tungsten production. For Western users, the risk is no longer merely about price volatility, but about “permissioned access.”
The Technical Substitution of “Molybdenum for Tungsten”
Molybdenum is not a universal substitute for tungsten—the hardness and thermal stability of tungsten carbide are difficult to replicate in most hard-metal applications. However, the substitution mechanism operates at the metallurgical re-optimization level: in selected applications, molybdenum carbide can replace part of the functionality of tungsten carbide, while molybdenum-bearing steels and superalloys improve hardenability, creep resistance and high-temperature strength. This substitution is not a zero-sum game, but rather a spectrum of functional complementarity and partial replacement.
The semiconductor sector offers a particularly telling example. As 3D NAND flash memory stacking surpasses 300 layers, traditional tungsten word lines are encountering physical bottlenecks—resistivity surges sharply as line widths shrink, and additional barrier layers consume valuable stack space. Molybdenum, by contrast, offers lower resistivity scaling at nanoscale dimensions, eliminates the need for barrier layers, and is perfectly compatible with atomic layer deposition (ALD) processes, making it an ideal core material for word line metal gates in ultra-high-density memory chips. Industry giants such as Samsung and SK Hynix have already begun transitioning to “molybdenum-for-tungsten” processes. Although current semiconductor molybdenum demand remains at the hundred-tonne level in its early stages, this marks a pivotal shift in molybdenum’s profile—from a traditional cyclical industrial metal to a strategic material for advanced semiconductor applications.
Supply Rigidity and Structural Deficits
Molybdenum’s supply structure amplifies these effects. Approximately 70% of global molybdenum is produced as a by-product of copper mining, with output tied to copper extraction schedules and showing limited price elasticity. Chile and Peru are prime examples—Chile’s molybdenum exports reached roughly $2.48 billion in 2025, while Peru’s stood at about $1.65 billion, yet production in both countries remains entirely dependent on copper mine plans. Standalone primary molybdenum mines typically require over eight years from project initiation to production. According to estimates from the International Molybdenum Association and Antaike, the global molybdenum supply-demand deficit is projected to reach 44,300 tonnes in 2026.
Strategic Depth and Market Dynamics
Against the backdrop of Chinese export controls, molybdenum’s strategic value is no longer confined to traditional steel applications. Solid baseline demand from wind power, defense and advanced manufacturing forms a strong foundation, while the “molybdenum-for-tungsten” technology trend has opened up semiconductors as a high-value-added growth channel for the metal.
At this stage, the narrative driving the molybdenum market is shifting from “mineral scarcity” to “functionality scarcity.” In this geopolitical-driven materials substitution process, understanding how metals interact within real-world industrial systems—and how a once-overlooked by-product can transform into a strategic supply-chain asset under supply-chain stress—may well be the key that separates the strategic winners from the rest.
