This is a copper alloy with high electrical conductivity.
When alloyed with chromium and zirconium, wear resistance increases.
Wires can be shaped by erosion.
| Consumer | Electrical | Industrial |
|---|---|---|
| Pencil-type & Light Soldering Guns: Tips, Rod Extensions | Resistance welding electrodes | Welding Electrodes |
| Welding Wheels, Tips and Rod Extensions |
| Elements | |||
|---|---|---|---|
| Cu(1,2) | Cr | Zr | |
| (1) Cu + Sum of Named Elements 99.7% min. (2) Cu value includes Ag. |
|||
| Min (%) | 0.50 | 0.02 | |
| Max (%) | Rem | 1.5 | 0.20 |
| Form | Temper | Temper Code | Tensile Strength (ksi) |
YS-0.5% Ext (ksi) |
Elongation (%) |
Rockwell B scale | Section Size (in) |
|---|---|---|---|---|---|---|---|
| * Measured at room temperature, 68°F (20°C). | |||||||
| Rod | Precipitation Heat Treated or Spinodal Heat Treated and Hard | TL04 | 81 Typ | 79 Typ | 14 Typ | 82 Typ | 0.485 |
| Precipitation Heat Treated or Spinodal Heat Treated and Hard | TL04 | 79 Typ | 75 Typ | 16 Typ | 78 Typ | 0.75 | |
| Spinodal Hardened-Low Strength (ATLS) | TX00 | 65 Min | 55 Min | 13 Min | 75 Min | 1.0 | |
| Wire | Precipitation Heat Treated or Spinodal Heat Treated and 1/2 Hard | TL02 | 68 Typ | 58 Typ | 19 Typ | 75 Typ | 0.60 |
| Precipitation Heat Treated or Spinodal Heat Treated and 1/2 Hard | TL02 | 69 Typ | 49 Typ | 15 Typ | 76 Typ | 0.70 | |
| Precipitation Heat Treated or Spinodal Heat Treated and Hard | TL04 | 68 Typ | 66 Typ | 15 Typ | 73 Typ | 0.50 | |
| Precipitation Heat Treated or Spinodal Heat Treated and Hard | TL04 | 68 Typ | 63 Typ | 20 Typ | 74 Typ | 0.60 | |
| Melting Point – Liquidus°F | 1976 |
|---|---|
| Melting Point – Solidus°F | 1958 |
| Densitylb/cu in. at 68°F | 0.321 |
| Specific Gravity | 8.89 |
| Electrical Conductivity% IACS at 68°F | 80 |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 187 |
| Coefficient of Thermal Expansion 68-21210 to -6 power per °F (68 – 212°F) | 9.5 |
| Modulus of Elasticity in Tensionksi | 17000 |
No fabrication properties for this alloy.
No applicable specifications for this alloy.
