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C63020 Nickel Aluminum Bronze
CDA 63020, CA63020, AMS 4590, ASTM B150, CuAl11Ni5Fe5

*Mechanical Properties are typical for 1" rod TQ50 Temper

**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.

C63020 Martensitic Nickel Aluminum Bronze is an extra-high-strength copper alloy, heat-treated for superior hardness, wear resistance, and heavy load capacity, making it ideal for demanding aerospace (landing gear), oil & gas, and marine applications requiring toughness, corrosion resistance, and good machinability, often replacing Beryllium Copper. This martensitic alloy achieves its strength through heat treatment, offering excellent performance in high-impact, abrasive, and high-temperature environments. C63020 (Martensitic) Aluminum Nickel Bronze is used for high-strength, heavy-duty parts needing exceptional wear resistance, corrosion protection, and load-bearing capacity, primarily in aerospace landing gear bushings/bearings, but also in marine hardware, oil & gas components, cryogenic valves, and heavy machinery bushings.

C63020 nickel aluminum bronze
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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.

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