 |
 |
| 4. Tellurium copper(Copper No. C14500) |
| 1) Nominal Chemical Composition % by Weight |
| Copper(incl.Silver) |
Phosphorus |
Tellurium |
| 99.7 |
0.008 |
0.55 |
|
| 2) Applications |
| Forings, screw machine products and parts requiring high conductivity, extensive machining, corrosion resistance, copper color, or a combination of these; electrical connectors, motor and switch parts, plumbing fittings, soldering coppers, welding torch tips, transistor bases and furnace brazed articles. |
| 3) Mechanical Properties |
| Hardness* |
Rockwell B Scales |
48 |
| Tensile Strength** |
KSI |
48 |
| Yield Strength** |
KSI |
44 |
| Elongation** |
% in 2 inch |
20 |
|
| *Hardness conversions are approximate. |
| **Test values are nominal approximations and depend on specimen size and orienlation. |
| 4) Phyical Properties |
| Thermal Conductivity |
BTU/(sq ft-ft-hr-F) |
205 |
| Specific Heat |
BTU/lb/ @ 68 |
0.092 |
| Thermal Expansion |
Per from 68 to 212 |
0.0000095 |
| Density |
lb/cu in @ 68 |
0.323 |
| Electrical Conducitivity*(annealed) |
%IACS@ 68 |
93 |
| Modulus of Elasticity |
KSI |
17,000 |
|
| *Volume basis |
| 5) Fabrication Properties |
| Capacity for beign cold worked |
Good |
| Capacity for being hot formed |
Good |
| Hot forgeability rating(forging brass = 100) |
65 |
| Hot working temperature |
1400-1600 or 750-875 |
| Annealing temperature |
800-1200 or 425-650 |
| Machinability rating (Free Cutting Brass=100) |
85 |
| Suitability for being foined by: |
Solderingg/Excellent |
| Brazing/Good |
| Oxyacetylene Welding/Fair |
| Gas Shielded Arc Welding/Fair |
| Coated Metal Arc Welding/Not Recommended |
| Resistance Welding |
Spot/Not Recommended |
| Seam/Not Recommended |
| Butt/Falr |
|
