Elements |
Min (%) |
Max (%) |
Cu |
60.00 |
63.00 |
Pb |
2.50 |
3.70 |
Fe |
- |
0.30 |
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 (N/mm²) |
Elongation Min (%) |
Hardness Min |
Hardness Max |
Round (Dia) |
1.5 |
25 |
330 |
130 |
12 |
- |
- |
25 |
50 |
300 |
115 |
18 |
- |
- |
50 |
75 |
280 |
95 |
22 |
- |
- |
Hex (A/F) |
3 |
25 |
330 |
130 |
12 |
- |
- |
25 |
50 |
300 |
115 |
18 |
- |
- |
50 |
70 |
280 |
95 |
22 |
- |
- |
Square (A/F) |
3 |
12 |
300 |
115 |
18 |
- |
- |
12 |
25 |
310 |
105 |
12 |
- |
- |
50 |
75 |
280 |
95 |
22 |
- |
- |
Rectangle (Thickness) |
3 |
25 |
300 |
115 |
18 |
- |
- |
25 |
50 |
280 |
95 |
22 |
- |
- |
PHYSICAL PROPERTIES |
Melting Point - Liquidus°F |
1650 |
Melting Point - Solidus°F |
1630 |
Densitylb/cu in. at 68°F |
0.307 |
Specific Gravity |
8.5 |
Electrical Conductivity% IACS at 68°F |
26 |
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F |
67 |
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F) |
11.4 |
Specific Heat CapacityBtu/ lb /°F at 68°F |
0.09 |
Modulus of Elasticity in Tensionksi |
14000 |
Modulus of Rigidityksi |
5300 |
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 |
Fair |
Capacity for Being Hot Formed |
Fair |
Machinability Rating |
100 |