Elements |
Min (%) |
Max (%) |
Cu |
57.00 |
61.00 |
Pb |
1.80 |
3.70 |
Fe |
- |
0.50 |
Sn + Fe |
- |
1.20 |
Zn |
Remainder |
Mechanical Properties According To H3250 JIS C3604 (As Per Temper BD)
Range |
From |
To |
UTS Min (Kg/mm²) |
PS Min |
Elongation Min (%) |
Hardness Min |
Hardness Max |
Round (Dia) |
1.5 |
75 |
335 |
- |
- |
80 |
- |
Hex (A/F) |
3 |
70 |
335 |
- |
- |
80 |
- |
Square (A/F) |
3 |
60 |
335 |
- |
- |
80 |
- |
Rectangle (Thickness) |
3 |
50 |
335 |
- |
- |
80 |
- |
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 |