Shanghai Unique Alloy Co.Ltd
Focus on Copper Alloy
Casting Aluminium Bronze C95700
Chemical Composition
| Element | ||||||
|---|---|---|---|---|---|---|
| Cu(1) | Fe | Ni(2) | Al | Mn | Si | |
| (1) Cu + Sum of Named Elements 99.5% min.(2) Ni value includes Co. | ||||||
| Min (%) | 71.0 | 2.0 | 1.5 | 7.0 | 11.0 | |
| Max (%) | 4.0 | 3.0 | 8.5 | 14.0 | 0.10 | |
Physical Properties
| * Annealed, Fast Cooled Condition | |
| ** Slow Cooled Condition, Range 2.2 to 15.0 | |
| Melting Point - Liquidus°F | 1814 |
|---|---|
| Melting Point - Solidus°F | 1742 |
| Densitylb/cu in. at 68°F | 0.272 |
| Specific Gravity | 7.53 |
| Electrical Conductivity% IACS at 68°F | 3 |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 7 |
| Coefficient of Thermal Expansion 68-57210-6 per °F (68 – 572°F) | 9.8 |
| Specific Heat CapacityBtu/ lb /°F at 68°F | 0.105 |
| Modulus of Elasticity in Tensionksi | 18000 |
| Magnetic Permeability* | 1.03 |
| Magnetic Permeability** | 2.2 |
| Poisson's Ratio | 0.326 |
Casting Characteristics
| Casting Attribute | Level |
|---|---|
| Casting Yield | Low |
| Drossing | High |
| Effect of Section Size | Low |
| Fluidity | Medium |
| Gassing | Medium |
| Patternmakers Shrinkage | 3/16 |
| Shrinkage in Solidification | High |
Fabrication Properties
| Technique | Suitability |
|---|---|
| Soldering | Good |
| Brazing | Good |
| Oxyacetylene Welding | Not Recommended |
| Gas Shielded Arc Welding | Excellent |
| Coated Metal Arc Welding | Good |
| Machinability Rating | 50 |
Thermal Properties
| Treatment | Value | Time |
|---|---|---|
| Stress Relief | 600 | |
| Solution Treatment | 0 |
