CW606N is a material which has been successfully used in automotive industries. It has both good machining and good cold working properties.
CHEMICAL COMPOSITION
| Elements | Min (%) | Max (%) |
| Cu | 61.00 | 62.00 |
| Pb | 1.60 | 2.50 |
| Sn | – | 0.20 |
| Fe | – | 0.20 |
| Al | – | 0.05 |
| Ni | – | 0.30 |
| Total Others | – | 0.20 |
| Zn | Remainder |
MECHANICAL PROPERTIES ACCORDING TO EN12164 CW606N (AS PER TEMPER 400)
| Range (Inch) | From | To | UTS Min (N/mm²) | PS Min (N/mm²) | Elongation Min (%) | Hardness Min | Hardness Max |
| Round (Dia) | 2 | 20 | 400 | 200 | 12 | – | – |
| Hex (A/F) | 2 | 25 | 400 | 200 | 12 | – | – |
| Square (A/F) | 2 | 25 | 400 | 200 | 12 | – | – |
| PHYSICAL PROPERTIES |
| Melting Point | 885° |
| Density | 8.50g/cm3 |
| Electrical Resistivity | 0.066 x 10-6Ωm |
| Thermal Conductivity Btu/ sq ft/ ft hr/ °F at 68°F | 115 W/m.K |
| Modulus of Elasticity | 105 Gpa |
| FABRICATION PROPERTIES |
| Technique | Suitability |
| Hot Formability | Good |
| Cold Formability | Good |
| Cold Reduction Between anneals | 50% |
| Machinability rating (free cutting brass = 100) | 75% |
| Soldering | Excellent |
| Brazing | Good |
| Oxy-acetylene welding | Not recommended |
| Not recommended | Not recommended |
| Resistance welding : Spot and Seam | Not recommended |
| Butt Welding | Fair |
TYPICAL USES
- Fasteners
- Rivets
- Domestic appliances
- Automotive engineering
- Hose fittings
- Intricate parts such as clock components
