CW612N
Brass constitutes a composite primarily composed of copper and zinc. Brass alloys possess the inherent capacity for convenient shaping and are offered in a diverse range of colors. Notably, brass exhibits a notable level of thermal conductivity. Forgeability is a commendable trait of CW612N forging brass alloys. These alloys are provided in rod form.
The subsequent datasheet provides comprehensive insight into the attributes of CW612N brass alloys.
CHEMICAL COMPOSITION
| Elements | Min (%) | Max (%) |
| Cu | 59.00 | 60.00 |
| Pb | 1.60 | 2.50 |
| Sn | – | 0.30 |
| Fe | – | 0.30 |
| Al | – | 0.05 |
| Ni | – | 0.30 |
| Total Others | – | 0.20 |
| Zn | Remainder | |
MECHANICAL PROPERTIES ACCORDING TO EN12164 (AS PER TEMPER R410)
| Range (mm) | From | To | UTS Min (N/mm²) | PS Min (N/mm²) | Elongation Min (%) | Hardness Min | Hardness Max | |
| Round (Dia) | 2 | 40 | 410 | 230 | 12 | – | – | |
| Hex (A/F) | 2 | 35 | 410 | 230 | 12 | – | – | |
| Square (A/F) | 2 | 35 | 410 | 230 | 12 | – | – | |
| 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 |
