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Low leaded bronze is an alloy primarily composed of copper, tin, and lead, with the lead content usually below 0.5%. This alloy is known for its excellent machinability, good wear resistance, and moderate strength. It is commonly used in applications requiring low friction, such as bushings, bearings, and gears. The low lead content minimizes health risks while retaining desirable mechanical properties. The alloy is also resistant to corrosion, making it suitable for use in marine environments and other challenging conditions.
Equivalent Specification Tables:
| Standard | Symbol | UNS | EN | BS | JIS | IS |
|---|---|---|---|---|---|---|
| ISO | CuSn7Pb1-C (C) | C93200 | CuSn7Pb0.2-C | LG2 | BC6 | IS 318 |
| UNS | C93700 (SAE 64) | C93700 | CuSn7Pb0.5-C | - | - | - |
| EN | CuSn7Pb0.2 | - | CuSn7Pb0.2 | - | - | - |
| BS | PB1, PB2 | - | - | BS 1400 PB1 | - | - |
| JIS | BC6 | - | - | - | JIS H5120 | - |
| IS | IS 318 | - | - | - | - | IS 318 |
Note: The exact equivalents may vary slightly depending on the specific alloy composition and the standards applied.