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C14500 Tellurium Copper
CDA 145, CA14500, ASTM B301, ASTM B124, SAE J461, SAE J463

Mechanical values above are typical for 1" solid diameter Hard (35%) Temper

*Hardness conversions are approximate

**Test values are nominal approximations and depend on specimen size and orientation

The values listed above represent reasonable approximations suitable for general engineering use. Due to commercial variations in composition and to manufacturing limitations, they should not be used for specification purposes. See applicable ASTM specification references.

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C14500 TELLURIUM COPPER is adapted for use in high-speed automatic screw machines. The copper tellurium precipitations become finely dispersed throughout the matrix and result in small chips enabling a much higher machining speed than with pure copper. C14500 tellurium copper has a machinability rating scale of 85%, compared to pure copper of 20%, ensuring longer tool life. Resistance to hydrogen embrittlement combined with its' high electrical and thermal conductivity make it the ideal choice for electrical applications requiring extensive machining and corrosion resistance. C14500 Tellurium Copper conforms to specification ASTM B301 , SAE J461, J463, B-124​​​

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C14500 Tellurium Copper is used for Transistor Bases, Motor Parts, Electrical Connectors, Switch Parts, Welding Torch Tips, Soldering Tips, Screw Machine Products, Forgings, EDM Anodes, Tool Making Parts, Dies, Plumbing Fittings, Sprinkler Heads and Fixtures.

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What's Driving
Metal Prices

Factors creating the on-going surge in copper prices and base metal prices.

The U.S. imposed a 50% Section 232 tariff on the copper content of semi-finished and derivative copper products, effective August 1, 2025. These tariffs aim to bolster domestic production but create complexities for businesses in pricing, sourcing, and compliance, affecting global copper markets. 

In addition copper costs are soaring due to massive demand from the energy transition (EVs, renewables, grid) and AI data centers colliding with slow mine supply growth, production disruptions (labor, technical issues), aging mines, and government policies like tariffs, creating a structural supply deficit. 

Tin prices jumped to a record level due to a severe, ongoing global supply squeeze from mine disruptions (DRC, Myanmar, Indonesia) and increasing demand driven by its critical role in electronics (solder), green energy tech, and packaging, creating a significant market deficit and attracting speculative investment. Supply chain issues, including export permit delays and political instability in key producing regions, combined with growing recognition of tin's necessity for the energy transition, fueled a rally to multi-year highs in late 2025 and early 2026. 

Nickel prices are rising due to anticipated supply cuts from major producer Indonesia, tighter quotas, increased demand from stainless steel and EV battery sectors (despite some LFP shifts), speculative buying, and broader market strength in metals, with investors reacting to policy signals and potential disruptions.

metals@anchorbronze.com

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