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C93200 (SAE 660) Bronze
CDA 932, CA93200, SAE 660, 83-7-7-3, ASTM B505, ASTM B271, ASTM B584, HIGH LEADED TIN BRONZE, ASTM B144-3B

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.

C93200 (SAE 660) Bearing Bronze has excellent load capacity and antifriction qualities that make it a preferred alloy for a wide variety of applications such as machine tools, power transmission equipment, electric motors,  automotive equipment, tractors, cranes, hoists, elevators and many types of accessory and special equipment.

 

C93200 (SAE 660) bearing bronze has good machining characteristics, resists many chemicals and is generally recommended for medium speed, medium load applications. C93200 (SAE 660) Bronze conforms to cast specifications ASTM B505 ASTM B271 and ASM B584. C93200 (SAE 660) Bronze is used for general utility bearings, bushings and wear plates for medium speeds and pressures.

SAE 660 Bronze C93200 Bearing Bar
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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. 

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