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C81400
| Elements | |||
|---|---|---|---|
| Cu(1) | Be | Cr | |
|
(1) Cu + Sum of Named Elements 99.5% min. |
|||
| Min (%) | 0.02 | 0.6 | |
| Max (%) | Rem | 0.10 | 1.0 |
| Form | Temper | Temper Code | Tensile Strength (ksi) |
Elongation (%) |
Rockwell B scale | Torsion Modulus (ksi) |
|---|---|---|---|---|---|---|
| * Measured at room temperature, 68°F (20°C). | ||||||
| As Sand Cast | As Sand Cast | M01 |
45 Min for Standard |
15 Min for Standard |
||
| Precipitation Hardened | TF00 |
53 Min for Standard |
11 Min for Standard |
69 Typ |
6 Typ | |
| Melting Point - Liquidus°F | 2000 |
|---|---|
| Melting Point - Solidus°F | 1950 |
| Densitylb/cu in. at 68°F | 0.318 |
| Specific Gravity | 8.81 |
| Electrical Conductivity% IACS at 68°F | 60 |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 150 |
| Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) | 10 |
| Specific Heat CapacityBtu/ lb /°F at 68°F | 0.093 |
| Modulus of Elasticity in Tensionksi | 16000 |
| Shear Modulusksi | 5900 |
| Casting Attribute | Level |
|---|---|
| Casting Yield | Medium |
| Drossing | High |
| Effect of Section Size | Low |
| Fluidity | Medium |
| Gassing | High |
| Patternmakers Shrinkage inches per inch | 4/16 |
| Shrinkage in Solidification | High |
| Shrinkage During Freezing | High |
| Technique | Suitability |
|---|---|
| Soldering | Excellent |
| Brazing | Good |
| Oxyacetylene Welding | Not Recommended |
| Gas Shielded Arc Welding | Fair |
| Coated Metal Arc Welding | Fair |
| Machinability Rating | 20 |
Common Fabrication Processes
No fabrication process properties for this alloy
| Treatment | Minimum* | Maximum* | Value* | Time** | Medium |
|---|---|---|---|---|---|
| * Temperature is measured in Fahrenheit. ** Time is measured in minutes. | |||||
| Stress Relief | 500 | ||||
| Solution Treatment | 1830 | 1850 | 0.5 | Water | |
| Precipitation Treatment | 900 | 2 | Air | ||
| Product Category | Product | Reason Category | Reason |
|---|---|---|---|
| Electrical | Electrical Parts | Conductivity (Electrical) | Electrical Conductivity |
| Electrical Parts | Conductivity (Thermal) | Thermal Conductivity | |
| Electrical Parts | Corrosion Resistance | Corrosion Resistance | |
| Electrical Parts | Corrosion Resistance | Oxidation Resistance | |
| Electrical Parts | Mechanical Properties | Moderate Strength | |
| Higher Hardness Electrical Conductors | Conductivity (Electrical) | Electrical Conductivity | |
| Higher Hardness Electrical Conductors | Conductivity (Thermal) | Thermal Conductivity | |
| Higher Hardness Electrical Conductors | Corrosion Resistance | Corrosion Resistance | |
| Higher Hardness Electrical Conductors | Corrosion Resistance | Oxidation Resistance | |
| Higher Hardness Electrical Conductors | Mechanical Properties | Moderate Strength | |
| Industrial | Higher Hardness Thermal Conductors | Conductivity (Electrical) | Electrical Conductivity |
| Higher Hardness Thermal Conductors | Conductivity (Thermal) | Thermal Conductivity | |
| Higher Hardness Thermal Conductors | Corrosion Resistance | Corrosion Resistance | |
| Higher Hardness Thermal Conductors | Corrosion Resistance | Oxidation Resistance | |
| Higher Hardness Thermal Conductors | Mechanical Properties | Moderate Strength |
| Form | Specific Sub-Form | Application | System | Standard | Description |
|---|---|---|---|---|---|
| As Sand Cast | Castings | ASTM | B770 | COPPER-BERYLLIUM SAND CASTINGS | |
| Ingot | ASTM | B30 | COPPER BASE ALLOYS IN INGOT FORM |
Corrosion Properties
No Corrosion Properties Available.