| Elements |
Min (%) |
Max (%) |
| Cu |
56.00 |
59.00 |
| Pb |
2.00 |
3.50 |
| Fe |
- |
0.35 |
| Total Others |
- |
0.70 |
| Zn |
Remainder |
Mechanical Properties According To 319 Gr I (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 |
405 |
- |
4 |
125 |
155 |
| 12 |
25 |
395 |
- |
6 |
120 |
150 |
| 25 |
50 |
355 |
- |
12 |
110 |
140 |
| 50 |
75 |
325 |
- |
17 |
100 |
130 |
| Hex (A/F) |
6 |
12 |
405 |
- |
4 |
125 |
155 |
| 12 |
25 |
395 |
- |
6 |
120 |
150 |
| 25 |
50 |
355 |
- |
12 |
110 |
140 |
| 50 |
70 |
325 |
- |
17 |
100 |
130 |
| Square (A/F) |
6 |
12 |
405 |
- |
4 |
125 |
155 |
| 12 |
25 |
395 |
- |
6 |
120 |
150 |
| 25 |
50 |
355 |
- |
12 |
110 |
140 |
| 50 |
60 |
325 |
- |
17 |
100 |
130 |
| Rectangle (Thickness) |
6 |
12 |
405 |
- |
4 |
125 |
155 |
| 12 |
25 |
395 |
- |
6 |
120 |
150 |
| 25 |
50 |
355 |
- |
12 |
110 |
140 |
| 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 |
| Brazing |
Good |
| 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 |
