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C86300 Manganese Bronze

CDA 863, CA86300, SAE 430B, AMS 4862, ASTM B505, ASTM B271, ASTM B584, ASTM B22, QQ-C-523, MIL-C-11866, ASTM B147-8C, HIGH STRENGTH MANGANESE BRONZE 

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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C86300 (SAE 430B/ALLOY 424) Manganese Bronze is a high strength, non-heat treatable alloy intended for use in applications requiring a good combination of outstanding wear characteristics and high bearing strength. This alloy is recommended for low speed, extreme load applications. C86300 (SAE 430B) Manganese Bronze conforms to cast specifications ASTM B 505, ASTM B 271 and ASTM B 584.

 

C86300 (SAE 430B) Manganese Bronze is used for for heavy duty high strength alloy for gears, cams, slow speed heavy load bearings, screw down nuts.

C86300 Manganese Bronze SAE 430B
manganese brass

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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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