Elements |
Min (%) |
Max (%) |
Cu |
60.00 |
63.00 |
Pb |
2.50 |
3.70 |
Fe |
- |
0.35 |
Total Others |
- |
0.50 |
Zn |
Remainder |
Mechanical Properties According To IS 319 Gr ll (As Per Temper HB)
Range (mm) |
From |
To |
UTS Min (MPa) |
PS Min |
Elongation Min (%) |
Hardness Min (HV) |
Hardness Max (HV) |
Round (Dia) |
6 |
12 |
395 |
- |
7 |
120 |
150 |
12 |
25 |
385 |
- |
10 |
115 |
145 |
25 |
50 |
345 |
- |
15 |
100 |
130 |
50 |
75 |
315 |
- |
20 |
90 |
120 |
Hex (A/F) |
6 |
12 |
395 |
- |
7 |
120 |
150 |
12 |
25 |
385 |
- |
10 |
115 |
145 |
25 |
50 |
345 |
- |
15 |
100 |
130 |
50 |
70 |
315 |
- |
20 |
90 |
120 |
Square (A/F) |
6 |
12 |
395 |
- |
7 |
120 |
150 |
12 |
25 |
385 |
- |
10 |
115 |
145 |
25 |
50 |
345 |
- |
15 |
100 |
130 |
50 |
60 |
315 |
- |
20 |
90 |
120 |
Rectangle (Thickness) |
6 |
12 |
395 |
- |
7 |
120 |
150 |
12 |
25 |
385 |
- |
10 |
115 |
145 |
25 |
50 |
345 |
- |
12 |
100 |
130 |
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 |