Description
Excellent hot and cold workability; good forge ability. Fabricated by bending, coining, coppersmith, drawing and upsetting, hot forging and pressing, knurling, roll threading, shearing, spinning, swaging, and stamping.
Application
Chemical Composition
| Elements | ||||
|---|---|---|---|---|
| Cu(1) | Pb | Zn | Fe | |
|
(1) Cu + Sum of Named Elements 99.6% min. |
||||
| Min (%) | 62.0 | 1.5 | ||
| Max (%) | 65.0 | 2.5 | Rem | 0.15 |
Mechanical Properties
| Form | Temper | Temper Code | Tensile Strength (ksi) |
Elongation (%) |
Rockwell B scale | Section Size (in) |
|---|---|---|---|---|---|---|
| * Measured at room temperature, 68°F (20°C). | ||||||
| Rod | 1/2 Hard | H02 |
50 Min for Standard |
15 Min for Standard |
0.75 | |
| 1/2 Hard | H02 |
57 Min for Standard |
7 Min for Standard |
<0.50 | ||
| 1/2 Hard | H02 |
55 Min for Standard |
10 Min for Standard |
60 Min for Standard |
<0.50 | |
| 1/4 Hard | H01 |
42 Min for Standard |
20 Min for Standard |
40 Min for Standard |
1.375 | |
| 1/4 Hard | H01 |
50 Min for Standard |
15 Min for Standard |
55 Min for Standard |
0.75 | |
| 1/4 Hard | H01 |
50 Min for Standard |
10 Min for Standard |
<0.50 | ||
| Soft Anneal | O60 |
46 Min for Standard |
20 Min for Standard |
<0.50 | ||
| Soft Anneal | O60 |
40 Min for Standard |
30 Min for Standard |
1.375 | ||
| Soft Anneal | O60 |
44 Min for Standard |
25 Min for Standard |
0.75 | ||
Physical Properties
| Melting Point - Liquidus°F | 1670 |
|---|---|
| Melting Point - Solidus°F | 1630 |
| Densitylb/cu in. at 68°F | 0.306 |
| Specific Gravity | 8.47 |
| Electrical Conductivity% IACS at 68°F | 26 |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 67 |
| Coefficient of Thermal Expansion 68-57210 to -6 power 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 | 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 | Poor |
| Machinability Rating | 90 |
