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About Copper, Brass & Bronze
Compare over 30 copper, brass, and bronze alloys to find the right material for you—all with material certificates for traceability.
Easy-to-Machine High-Strength 642 Bronze

- Yield Strength: 42,000 psi
- Hardness: Rockwell B65 (Soft)
- Temper: HR50
- Heat Treatable: No
- Specifications Met: ASTM B150
A low-lead alternative to 316 bronze, 642 bronze is just as machinable with higher strength. Also called aluminum-silicon-bronze, it's used for valve bodies, gears, and bolts.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Dia. | Dia. Tolerance Range | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
5/16" | -0.004" to 0.004" | 00000000 | |||
3/8" | -0.004" to 0.004" | 00000000 | |||
1/2" | -0.004" to 0.004" | 00000000 | |||
5/8" | -0.004" to 0.004" | 00000000 | |||
3/4" | -0.004" to 0.004" | 00000000 | |||
7/8" | -0.004" to 0.004" | 00000000 | |||
1" | -0.004" to 0.004" | 00000000 | |||
1 1/2" | -0.004" to 0.004" | 00000000 | |||
2" | -0.004" to 0.004" | 00000000 |