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 | Circuit Breaker Switches | Connectors, Solderless Wrapped |
| Commutators | Resistance Welding Tips | |
| Resistance welding electrodes | Welding Wheels | |
| Stud Bases for Power Transmitters & Rectifiers | ||
| Switches |
| Elements | ||
|---|---|---|
| Cu(1,2) | Zr | |
| (1) Cu value includes Ag. (2) Cu + Sum of Named Elements 99.9% min. |
||
| Min (%) | 0.10 | |
| Max (%) | Rem | 0.20 |
| Form | Temper | Temper Code | Tensile Strength (ksi) |
YS-0.5% Ext (ksi) |
Elongation (%) |
Rockwell B scale | Rockwell F scale | Section Size (in) |
Cold Work (%) |
|---|---|---|---|---|---|---|---|---|---|
| * Measured at room temperature, 68°F (20°C). | |||||||||
| Rod & Bar | 1/4 Hard and Precipitation Heat Treated | TH01 | 48 Typ | 40 Typ | 28 Typ | 57 Typ | 0.50 – 1.0 | 20 | |
| Hard and Precipitation Heat Treated | TH04 | 60 Typ | 53 Typ | 24 Typ | 71 Typ | 0.50 – 1.0 | 60 | ||
| Precipitation Hardened | TF00 | 30 Typ | 13 Typ | 51 Typ | 6 Typ | 0.50 – 1.0 | |||
| Solution Heat Treated | TB00 | 29 Typ | 6 Typ | 54 Typ | 0.50 – 1.0 | ||||
| Solution Heat Treated and Cold Worked: 1/2 Hard | TD02 | 49 Typ | 47 Typ | 20 Typ | 0.50 – 1.0 | 40 | |||
| Solution Heat Treated and Cold Worked: Hard | TD04 | 57 Typ | 51 Typ | 19 Typ | 0.50 – 1.0 | 60 | |||
| Wire | 1/2 Hard and Precipitation Heat Treated | TH02 | 53 Typ | 49 Typ | 23 Typ | 90 Typ | 0.5 | 30 | |
| Annealed | O61 | 37 Typ | 11 Typ | 50 Typ | 40 Typ | 0.25 | |||
| Hard and Precipitation Heat Treated | TH04 | 76 Typ | 72 Typ | 1.5 Typ | 0.04 | 98 | |||
| Hard and Precipitation Heat Treated | TH04 | 72 Typ | 68 Typ | 3 Typ | 0.09 | 92 | |||
| Precipitation Hardened | TF00 | 30 Typ | 13 Typ | 49 Typ | 0.09 | 0 | |||
| Solution Heat Treated | TB00 | 29 Typ | 6 Typ | 54 Typ | 0.09 | 0 | |||
| Melting Point – Liquidus°F | 1976 |
|---|---|
| Melting Point – Solidus°F | 1796 |
| Densitylb/cu in. at 68°F | 0.321 |
| Specific Gravity | 8.89 |
| Electrical Conductivity% IACS at 68°F | 90 (1) |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 212 |
| Coefficient of Thermal Expansion 68-21210 to -6 power per °F (68 – 212°F) | 9.4 |
| Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) | 9.8 |
| Specific Heat CapacityBtu/ lb /°F at 68°F | 0.092 |
| Modulus of Elasticity in Tensionksi | 18700 |
| 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 | Good |
| Capacity for Being Cold Worked | Excellent |
| Capacity for Being Hot Formed | Excellent |
| Machinability Rating | 20 |
| Form | Specific Sub-Form | Application | System | Standard | Description |
|---|---|---|---|---|---|
| ASTM | B224 | Standard Classification of Coppers | |||
| Bar | ASTM | B150/B150M | ALUMINUM BRONZE ROD, BAR AND SHAPES | ||
| Rod | SAE | J463 | WROUGHT COPPER AND COPPER ALLOYS | ||
| ASTM | B150/B150M | ALUMINUM BRONZE ROD, BAR AND SHAPES | |||
| SAE | J461 | WROUGHT AND CAST COPPER ALLOYS |
