C37700
Brass primarily constitutes an alloy composed mainly of copper and zinc. Brass alloys exhibit pliable formability and are offered in a spectrum of colors. Notably, brass demonstrates elevated thermal conductivity. UNS C37700 forging brass alloys display commendable forgeability traits and are provided in rod form.
The subsequent datasheet provides comprehensive information regarding UNS C37700 brass alloys.
CHEMICAL COMPOSITION
| Elements | Min (%) | Max (%) |
| Cu | 58.00 | 61.00 |
| Pb | 1.50 | 2.50 |
| Fe | – | 0.30 |
| Total Others | – | 0.50 |
| Zn | Remainder | |
MECHANICAL PROPERTIES ACCORDING TO ASTM B124
Mechanical properties established by agreement between the manufacturers and the purchaser.
| PHYSICAL PROPERTIES | |
| Melting Point – Liquidus°F | 1640 |
| Melting Point – Solidus°F | 1620 |
| Density lb/cu in. at 68°F | 0.305 |
| Specific Gravity | 8.44 |
| Electrical Conductivity % IACS at 68°F | 27 |
| Thermal Conductivity Btu/ sq ft/ ft hr/ °F at 68°F | 69 |
| Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F) | 11.5 |
| Specific Heat Capacity Btu/ lb /°F at 68°F | 0.09 |
| Modulus of Elasticity in Tension ksi | 15000 |
| Modulus of Rigidity ksi | 5600 |
| FABRICATION PROPERTIES | |
| Technique | Suitability |
| Soldering | Excellent |
| Brazing | Good |
| Oxyacetylene Welding | Not Recommended |
| Gas Shielded Arc Welding | Not Recommended |
| Coated Metal Arc Welding | Not Recommended |
| Spot Weld | Not Recommended |
| Seam Weld | Not Recommended |
| Butt Weld | Fair |
| Capacity for Being Cold Worked | Poor |
| Capacity for Being Hot Formed | Excellent |
| Forgeability Rating | 100 |
| Machinability Rating | 80 |
