‌Comprehensive Technical Report on Brass Bushings‌

1. Introduction‌

Brass bushings, sliding bearing components primarily made of copper-zinc alloy (brass), are widely used in machinery manufacturing, automotive industries, and marine equipment due to their excellent wear resistance, thermal conductivity, and corrosion resistance. This report analyzes the material properties, processing techniques, typical applications, and market trends.

‌2. Core Characteristics‌

‌Material Advantages‌

· Brass with 60/40 (H62) or 58/42 (H59) zinc content balances hardness and ductility.

· Low friction coefficient (0.1–0.3), suitable for high-speed sliding scenarios.

· Operating temperature range: -50℃ to 200℃, outperforming standard plastic bushings.

00001. 

‌Key Manufacturing Processes‌

· Formed by centrifugal casting or powder metallurgy.

· Surface tin/nickel plating to enhance corrosion resistance.

· Precision turning ensures dimensional tolerance (IT7 grade).

‌3. Typical Applications‌

‌4. Development Trends‌

00001. ‌Hybridization‌: Copper-based composites embedded with solid lubricants (e.g., graphite) are emerging.

00002. ‌Lightweighting‌: Aluminum brass (C6782) adoption increases in new energy vehicles.

00003. ‌Smart Integration‌: Sensor-equipped bushings for wear monitoring are under testing.

‌5. Conclusion‌

Brass bushings remain irreplaceable in heavy-load and high-temperature environments. Future advancements should focus on material modifications to extend service life.

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