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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-Weld 655 Bronze
- Yield Strength: 43,000 psi
- Hardness:
1/4" to 3/8" dia. rods: Not Rated
All other sizes: Rockwell B75 (Medium) - Temper: H04 (Full Hard)
- Heat Treatable: No
- Specifications Met: ASTM B98
Commonly called silicon-bronze, 655 bronze contains more silicon than other bronze alloys, making it suitable for all types of welding. With excellent formability and corrosion resistance, it's often used to make parts for marine applications, as well as in pumps and boilers.
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 | Straightness Tolerance | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
| 1/4" | -0.002" to 0.002" | 1/4" per 10 ft. | 00000000 | |||
| 5/16" | -0.002" to 0.002" | 1/4" per 10 ft. | 00000000 | |||
| 3/8" | -0.002" to 0.002" | 1/4" per 10 ft. | 00000000 | |||
| 1/2" | -0.002" to 0.002" | 1/4" per 10 ft. | 00000000 | |||
| 5/8" | -0.004" to 0.004" | 1/4" per 10 ft. | 00000000 | |||
| 3/4" | -0.004" to 0.004" | 1/4" per 10 ft. | 00000000 | |||
| 1" | -0.004" to 0.004" | 1/4" per 10 ft. | 00000000 | |||
| 1 1/4" | -0.004" to 0.004" | 1/4" per 10 ft. | 00000000 | |||
| 1 1/2" | -0.004" to 0.004" | 1/4" per 10 ft. | 00000000 |