Elements |
Min (%) |
Max (%) |
Cu |
61.00 |
63.00 |
Pb |
1.50 |
2.50 |
Fe |
- |
0.20 |
Total Others Excl Fe |
- |
0.50 |
Zn |
Remainder |
Mechanical Properties According To BS2874 (As Per Temper M)
Range (mm) |
From |
To |
UTS Min (N/mm²) |
PS Min |
Elongation Min |
Hardness Min |
Hardness Max |
Round (Dia) |
1.5 |
18 |
350 |
- |
22 |
- |
- |
18 |
350 |
350 |
- |
25 |
- |
- |
40 |
75 |
350 |
- |
28 |
- |
- |
Hex (A/F) |
3 |
18 |
350 |
- |
22 |
- |
- |
18 |
40 |
350 |
- |
25 |
- |
- |
40 |
70 |
350 |
- |
28 |
- |
- |
Square (A/F) |
3 |
18 |
350 |
- |
22 |
- |
- |
18 |
40 |
350 |
- |
25 |
- |
- |
40 |
60 |
350 |
- |
28 |
- |
- |
Rectangle (Thickness) |
3 |
18 |
350 |
- |
22 |
- |
- |
18 |
40 |
350 |
- |
25 |
- |
- |
40 |
50 |
350 |
- |
28 |
- |
- |
PHYSICAL PROPERTIES |
Melting Point |
885° |
Density |
8.50g/cm3 |
Electrical Resistivity |
0.066 x 10-6Ωm |
Thermal Conductivity Btu/ sq ft/ ft hr/ °F at 68°F |
115 W/m.K |
105 Gpa |
105 Gpa |
FABRICATION PROPERTIES |
Technique |
Suitability |
Hot Formability |
Good |
Cold Formability |
Good |
Cold Reduction Between anneals |
50% |
Machinability rating (free cutting brass = 100) |
75% |
Soldering |
Excellent |
Brazing |
Good |
Not recommended |
Not recommended |
Gas - Shielded are welding |
Resistance welding : Spot and Seam |
Resistance welding : Spot and Seam |
Not recommended |
Butt Welding |
Fair |