Description
CW510L is a lead-free material that, despite its lack of lead, boasts excellent machining capabilities due to its structural composition. This makes CW510L a cost-effective alternative to traditional lead-containing machining brass, particularly in scenarios where stringent demands for mechanical properties and corrosion resistance are not a primary concern.
Chemical Composition
Mechanical Properties According To EN 12164 CW510L (As Per Temper 430)
| Range (mm) |
From |
To |
UTS Min (N/mm²) |
PS Min (N/mm²) |
Elongation Min (%) |
Hardness Min |
Hardness Max |
| Round (Dia) |
2 |
40 |
430 |
220 |
10 |
– |
– |
| Hex (A/F) |
2 |
35 |
430 |
220 |
10 |
– |
– |
| Square (A/F) |
2 |
35 |
430 |
220 |
10 |
– |
– |
| PHYSICAL PROPERTIES |
| Electrical conductivity %IACS |
31 |
| Thermal conductivity W/(m·K) |
139 |
| Thermal expansion coefficient (0–300 °C) |
10-6 /K 21.70 |
| Density |
8.41 g/cm3 |
| Modulus of elasticity |
107 Gpa |
| FABRICATION PROPERTIES |
| Machinability (CuZn39Pb3 = 100 %) |
60% |
| Capacity for being cold worked |
poor |
| Capacity for being hot worked |
Excellent |
| Resistance welding (butt weld) |
Fair |
| Inert gas shielded arc welding |
Fair |
| Gas welding |
Fair |
| Hard soldering |
Excellent |
| Soft soldering |
Excellent |
| Melting range |
870–900 °C |
| 650–750 °C |
650–750 °C |
| 450–550 °C |
450–550 °C |
| Thermal stress relieving (1–3 h) |
250–350 °C |
