| Elements |
Min (%) |
Max (%) |
| Cu |
61.00 |
64.00 |
| Pb |
1.00 |
2.50 |
| Total Others Incl Fe |
- |
0.30 |
| Zn |
Remainder |
Mechanical Properties According To BS2874 (As Per Temper M)
| Range (mm) |
From |
To |
UTS Min (N/mm²) |
PS Min (N/mm²) |
Elongation Min (%) |
Hardness Min (HV) |
Hardness Max |
| Round (A/F) |
1.5 |
75 |
340 |
- |
15 |
90 |
- |
| Hex (A/F) |
3 |
70 |
340 |
- |
15 |
90 |
- |
| Square (A/F) |
3 |
60 |
340 |
- |
15 |
90 |
- |
| Rectangle (Thickness) |
3 |
50 |
340 |
- |
15 |
90 |
- |
| PHYSICAL PROPERTIES |
| Melting Point - Liquidus°F |
1700 |
| Melting Point - Solidus°F |
1630 |
| Density lb/cu in. at 68°F |
0.306 |
| Specific Gravity |
8.47 |
| Electrical Conductivity % IACS at 68°F |
26 |
| Thermal Conductivity Btu/ sq ft/ ft hr/ °F at 68°F |
67 |
| Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F) |
11.3 |
| 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 |
| Not Recommended |
Not Recommended |
| Seam Weld |
Not Recommended |
| Butt Weld |
Fair |
| Capacity for Being Cold Worked |
Good |
| Capacity for Being Hot Formed |
Poor |
| Machinability Rating |
85% |
