Pb - Materials - Technical

Phosphor Bronze

Similar Grades
PB102
CDA-464
SAE C-464000
Cu 92-94%
Sn 6-8%

BSO Products made from this material
Balls, Bar, Tube

Good corrosion resistance, widely used as an electrical conductor.

It should be noted that "Phosphor Bronze" is often used as a generic term for "Bronze". Be sure that you really need "Phosphor Bronze" before spending a lot of time trying to find this specialised material when standard LG2 may suffice. Actual phosphor bronze products are likely to be more expensive and more difficult to obtain than LG2.

The main difference is that a phosphor bronze contains more phosphorus and less lead. It should be noted that within the classification "phosphor bronze" there are many grades. Unless you have a specification that calls for a particular grade of phosphor bronze, you may be looking at a a generic specification for plain bronze.

See LG2 for a comparrison.

Hardness HRb 75-98
Specific Gravity 8.4

Composition Range (includes many grades)
Tin (Sn) 1-9%
Phosphorus (P) 0.03-0.35% (all grades)
Copper (Cu) 90.48-98.5%
Zinc (Zn) 0.02-0.3%
Iron (Fe) 0.1%
Lead (Pb) 0.05%


You can purchase bronze items in the Bearing Shop Online Bronze Online Catalogue pages.


The Small Parts and Bearings has a much larger range of engineering supplies.

Hobby and Engineering Supplies lists a smaller range of products and only the most popular items in each range. They also list many additional hobby specific categories.

For the best range of miniature and small bearings please try the Miniature Bearings Australia website. Miniature Bearings Australia also list a large variety of miniature engineering products.



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