Brass is an alloy mainly consisting of copper and zinc. Brass alloys can be easily shaped and are available in various colors. Brass has high thermal conductivity. UNS C37700 forging brass alloys have good forgeability.
They are available in the form of rod.The following datasheet gives details about 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 Property requirement, if any, are to be established by agreement between the manufacturer 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° | 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 Are Welding | Not Recommended |
| Coated Metal Are 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 |