Elements |
Min (%) |
Max (%) |
Cu |
62.00 |
63.00 |
Pb |
0.50 |
1.50 |
Fe |
- |
0.20 |
Total Others |
- |
0.50 |
Zn |
Remainder |
Mechanical Properties According To IS 319 Gr lll (As Per Temper HB)
Range (mm) |
From |
To |
UTS Min (MPa) |
PS Min (MPa) |
Elongation Min (%) |
Hardness Min |
Hardness Max |
Round (Dia) |
6 |
12 |
355 |
- |
8 |
- |
- |
12 |
25 |
345 |
- |
12 |
- |
- |
25 |
50 |
305 |
- |
22 |
- |
- |
50 |
75 |
285 |
- |
27 |
- |
- |
Hex (A/F) |
6 |
12 |
355 |
- |
8 |
- |
- |
12 |
25 |
345 |
- |
12 |
- |
- |
25 |
50 |
305 |
- |
22 |
- |
- |
50 |
75 |
285 |
- |
27 |
- |
- |
Square (A/F) |
6 |
12 |
355 |
- |
8 |
- |
- |
12 |
25 |
345 |
- |
12 |
- |
- |
25 |
50 |
305 |
- |
22 |
- |
- |
50 |
75 |
285 |
- |
27 |
- |
- |
PHYSICAL PROPERTIES |
Density |
8.46 g/cm3 |
Melting Point |
910°C |
Specific heat cap at 20˚C |
0.377 (kj/kgK) |
Electrical conductivity |
14.7 (MS/m) |
Mod of elasticity |
105 (GPa) |
Coef of therm exp at 20˚C |
20.4 (10-6 /K) |
Thermal Conductivity |
116 W/m.K |
FABRICATION PROPERTIES |
Machinability (CuZn39Pb3 = 100 %) |
80% |
Capacity for being cold worked |
poor |
Capacity for being hot worked |
Fair |
Suitability for soldering |
Excellent |
Suitability for Brazing |
Good |