| Elements |
Min (%) |
Max (%) |
| Cu |
58.50 |
61.00 |
| Pb |
0.80 |
1.50 |
| Fe |
- |
0.20 |
| Total Others Excl. Fe |
- |
0.50 |
| Zn |
Remainder |
Mechanical Properties According To BS2874 (As Per Temper M)
| Range |
From |
To |
UTS Min (N/mm²) |
PS Min |
Elongation Min (%) |
Hardness Min |
Hardness Max |
| Round (Dia) |
1.5 |
18 |
380 |
- |
25 |
- |
- |
| 18 |
40 |
380 |
- |
25 |
- |
- |
| 40 |
75 |
350 |
- |
28 |
- |
- |
| Hex (A/F) |
3 |
18 |
380 |
- |
25 |
- |
- |
| 18 |
40 |
380 |
- |
25 |
- |
- |
| 40 |
70 |
350 |
- |
28 |
- |
- |
| Square (A/F) |
3 |
18 |
380 |
- |
25 |
- |
- |
| 18 |
40 |
380 |
- |
25 |
- |
- |
| 40 |
60 |
350 |
- |
28 |
- |
- |
| Rectangle (Thickness) |
3 |
18 |
380 |
- |
25 |
- |
- |
| 18 |
40 |
380 |
- |
25 |
- |
- |
| 40 |
50 |
350 |
- |
28 |
- |
- |
| 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 |
