76.2mm x 50.8mm SAE660 Bronze Tube - 3" OD x 2" ID High Strength Bearing Bronze Precision Machined Wear & Corrosion Resistant Ideal for Engineering Use - Linear Metre

76.2mm x 50.8mm SAE660 Bronze Tube – High-Strength Bearing Bronze for Industrial Applications

The 76.2mm x 50.8mm SAE660 Bronze Tube is an exceptional material widely used in engineering and industrial applications, especially where durability, strength, and wear resistance are critical. This bronze tube is made from SAE660, a high-quality leaded gunmetal alloy renowned for its excellent performance in high-stress environments.

Material and Grade

This bronze tube is crafted from SAE660, a popular grade of bronze known for its self-lubricating properties, which are essential for components that experience continuous wear. SAE660 bronze, also called leaded tin bronze, is highly valued for its ability to handle heavy loads and resist wear in applications like bearings, bushings, and other high-friction parts.

Key Properties

• Outside Diameter: The 76.2mm outer diameter (supplied as 76.9mm) ensures precision in fitting into high-demand engineering systems.
• Internal Diameter: Supplied with an internal diameter of 50mm, it is machined down to the industry standard of 50.8mm (2"), making it ideal for custom industrial applications.
• Wall Thickness: A 12.7mm wall thickness provides the strength and durability needed to withstand mechanical stresses and heavy-duty use.
• Weight: Weighing 25.35kg per metre, the tube is robust enough for high-load-bearing tasks while remaining manageable for machining and installation.

Applications

This SAE660 bronze tube is widely used in the manufacturing of bearings, bushings, and other mechanical components that require wear resistance and longevity. The material's self-lubricating properties make it perfect for parts exposed to high friction, reducing the need for frequent lubrication and maintenance. It's particularly suited for use in automotive, marine, and heavy machinery industries, where reliability and durability are essential.

Machinability and Weldability

One of the standout features of this SAE660 bronze tube is its excellent machinability, allowing engineers to work with the material easily for precise cutting, shaping, and customisation. However, its weldability is poor, making it challenging to join using standard welding techniques. Instead, alternative methods such as brazing or mechanical joining are recommended to achieve the best results in assembling parts.

Corrosion Resistance and Finish

While the SAE660 bronze tube has fair corrosion resistance, it can handle moderate exposure to corrosive environments, making it suitable for outdoor or marine applications. However, in highly corrosive conditions, it may require additional protective coatings to extend its service life. The tube is provided with a mill finish, which gives it a raw, industrial surface that can be polished or treated further based on project requirements.

Limitations and Maintenance

Despite its many strengths, there are some limitations to this product. Its poor weldability means that alternative joining methods are often required, and its corrosion resistance, though fair, may not be sufficient for extreme environments without further treatment. Proper storage and protective measures should be taken if used in environments prone to rust or corrosion.

Conclusion

In conclusion, the 76.2mm x 50.8mm SAE660 Bronze Tube is an excellent choice for engineers and manufacturers needing a reliable, high-strength material for bearings, bushings, and other high-stress components. Its excellent machinability and self-lubricating properties ensure long-lasting, low-maintenance performance, making it a trusted material in various industries. While some limitations exist in terms of weldability and corrosion resistance, these can be easily managed, ensuring that this bronze tube remains a top choice for demanding industrial applications.

Specifications