| Elements |
Min (%) |
Max (%) |
| Cu |
63.00 |
67.00 |
| Pb |
- |
0.05 |
| Fe |
- |
0.05 |
| Zn |
Remainder |
Mechanical Properties According To JIS C3712 (As Per Temper BD)
| Range |
From |
To |
UTS Min (Mpa) |
PS Min |
Elongation Min (%) |
Hardness Min |
Hardness Max |
| Round (Dia) |
1.5 |
75 |
355 |
- |
10 |
- |
- |
| 6 |
50 |
355 |
- |
20 |
- |
- |
| Hex (A/F) |
3 |
70 |
355 |
- |
10 |
- |
- |
| 6 |
50 |
355 |
- |
20 |
- |
- |
| Square (A/F) |
3 |
60 |
355 |
- |
10 |
- |
- |
| 6 |
50 |
355 |
- |
20 |
- |
- |
| Rectangle (Thickness) |
3 |
50 |
355 |
- |
10 |
- |
- |
| 6 |
50 |
355 |
- |
20 |
- |
- |
| PHYSICAL PROPERTIES |
| Melting Point - Liquidus°F |
1710 |
| Melting Point - Solidus°F |
1660 |
| Densitylb/cu in. at 68°F |
0.306 |
| Specific Gravity |
8.47 |
| Electrical Conductivity% IACS at 68°F |
27 |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F |
67 |
| Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F) |
11.3 |
| Specific Heat CapacityBtu/ lb /°F at 68°F |
0.09 |
| Modulus of Elasticity in Tensionksi |
15000 |
| Modulus of Rigidityksi |
5600 |
| FABRICATION PROPERTIES |
| Technique |
Suitability |
| Soldering |
Excellent |
| Brazing |
Excellent |
| Oxyacetylene Welding |
Good |
| Gas Shielded Arc Welding |
Fair |
| Coated Metal Arc Welding |
Not Recommended |
| Spot Weld |
Good |
| Seam Weld |
Not Recommended |
| Butt Weld |
Good |
| Capacity for Being Cold Worked |
Excellent |
| Capacity for Being Hot Formed |
Poor |
| Machinability Rating |
30 |
