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145 Copper
| Chemical
Composition |
- Copper
(includes gold and tellurium): 99.90% min.
- Phosphorus:
.004 / .012 min.
- Tellurium:
.40 / .70
|
| Fabrication
Properties |
|
Soldering
- Excellent
Brazing - Good
Oxyacetylene Welding - Fair
Gas Shielded Arc Welding - Fair
Coated Metal Arc Welding - Not Recommended
Spot Weld - Not Recommended
Seam Weld - Not Recommended
Butt Weld - Fair
Capacity for Being Cold Worked - Good
Capacity for Being Hot Formed - Good
Forgeability Rating - 65
Machinability Rating - 85
|
| Density |
0.323 lb/in³ |
| Hardness, Rockwell B |
43 |
| Tensile Strength |
42800 psi |
| Tensile Strength, Yield |
39900 psi |
| Elongation at Break |
20 % |
| Shear Strength |
26100 psi |
| Electrical Resistivity |
1.86e-006 ohm-cm |
| CTE, linear 20°C |
9.5 µin/in-°F |
| CTE, linear 100°C |
9.67 µin/in-°F |
| CTE, linear 250°C |
9.89 µin/in-°F |
| Specific Heat Capacity |
0.092 BTU/lb-°F |
| Thermal Conductivity |
2460 BTU-in/hr-ft²-°F |
| Melting Point |
1920 - 1970 °F |
| Annealing Temperature |
797 - 1200 °F |
| Hot-Working Temperature |
1380 - 1610 °F |
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