Elements |
Min (%) |
Max (%) |
Cu |
60.00 |
61.00 |
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 (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 |
- |
- |
Rectangle (Thickness) |
3 |
50 |
- |
- |
- |
- |
- |
PHYSICAL PROPERTIES |
Density |
8.44 g/cm³ |
Electrical Conductivity % IACS at 68°F |
24 |
Thermal Conductivity Btu/ sq ft/ ft hr/ °F at 68°F |
109 W/m.K |
Thermal expansion coefficient |
20.4 10-6/K |
Modulus of Elasticity |
102 Gpa |
FABRICATION PROPERTIES |
Machinability (CuZn39Pb3 = 100 %) |
90% |
Capacity for being cold worked |
fair |
Capacity for being hot worked |
excellent |
Resistance welding (butt weld) |
good |
Inert gas shielded arc welding |
poor |
Gas welding |
Poor |
Hard soldering |
fair |
Soft soldering |
excellent |
Melting range |
895-900 °C |
Hot working |
650-750 °C |
Soft annealing |
450-650 °C (1–3 hr) |
Thermal stress relieving |
200-300 °C (1-3 hr) |