| Elements |
Min (%) |
Max (%) |
| Cu |
57.00 |
61.00 |
| Pb |
1.80 |
3.70 |
| Fe |
- |
0.35 |
| Sn+Fe |
- |
0.60 |
| Zn |
Remainder |
Mechanical Properties According To H3250 JIS C3603 (As Per Temper BD)
| Range |
From |
To |
UTS Min (Kg/mm²) |
PS Min |
Elongation Min (%) |
Hardness Min |
Hardness Max |
| Round (Dia) |
1.5 |
75 |
315 |
- |
20 |
- |
- |
| Hex (A/F) |
3 |
70 |
315 |
- |
20 |
- |
- |
| Square (A/F) |
3 |
60 |
315 |
- |
20 |
- |
- |
| Rectangle (Thickness) |
3 |
50 |
315 |
- |
20 |
- |
- |
| PHYSICAL PROPERTIES |
| Melting Point - Liquidus°F |
1630 |
| Melting Point - Solidus°F |
1610 |
| Densitylb/cu in. at 68°F |
0.306 |
| Specific Gravity |
8.47 |
| Electrical Conductivity% IACS at 68°F |
28 |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F |
71 |
| Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F) |
11.6 |
| 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 |
Poor |
| Capacity for Being Hot Formed |
Excellent |
| Machinability Rating |
90 |
