C95300 / CDA 953 Aluminum Bronze Alloys
Specification :
| CDA | ASTM | Asarcon | SAE | AMS | Federal | Military | Other |
|---|---|---|---|---|---|---|---|
| C953 | B505 B505M |
68B J461 J462 |
QQ-C-390, G7; QQ-B-671, Class 2 |
MIL-B-16033, Class 2 | Aluminum Bronze 9B |
Chemical Composition :
| Cu% | Fe% | Al% | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Chemical Composition according to ASTM B505/B505M-18
Note: Cu + Sum of Named Elements, 99.0% min. Single values, unless otherwise noted, represent maximums.
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| 86.00 min |
0.80- 1.50 |
9.00- 11.00 |
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Machinability :
| Copper Alloy UNS No. | Machinability Rating | Density (lb/in3 at 68 °F) |
|---|---|---|
| C953 | 55 | 0.272 |
Mechanical Properties :
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Mechanical Properties according to ASTM B505/B505M-18
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| Tensile Strength, min | Yield Strength, at .5% Extension Under Load, min | Elongation, in 2 in. or 50 mm min | Brinell Hardness (3000 kg load) | Remarks | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| ksi | MPa | ksi | MPa | % | typical BHN | ||||||
| 70 | 483 | 26 | 179 | 25 | 125 | ||||||
Physical Properties :
| US Customary | Metric | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Physical Properties provided by CDA
*Field Strength 8 kA/m
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| Melting Point – Liquidus | 1913 °F | 1045 °C | |||||||||
| Melting Point – Solidus | 1904 °F | 1040 °C | |||||||||
| Density | 0.272 lb/in3 at 68 °F | 7.53 gm/cm3 at 20 °C | |||||||||
| Specific Gravity | 7.53 | 7.53 | |||||||||
| Electrical Conductivity | 13% IACS at 68 °F | 0.075 MegaSiemens/cm at 20 °C | |||||||||
| Thermal Conductivity | 36.3 Btu · ft/(hr · ft2·°F) at 68 °F | 62.8 W/m at 20 °C | |||||||||
| Coefficient of Thermal Expansion 68-572 | 9 · 10-6 per °F (68-572 °F) | 15.5 · 10-6 per °C (20-200 °C) | |||||||||
| Specific Heat Capacity | 0.09 Btu/lb/°F at 68 °F | 377.1 J/kg at 293 °C | |||||||||
| Modulus of Elasticity in Tension | 16000 ksi | 110000 MPa | |||||||||
| Magnetic Permeability* | 1.07 | 1.07 | |||||||||
Fabrication Properties :
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Fabrication Properties provided by CDA
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| Joining Technique | Suitability | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Soldering | Good | ||||||||||
| Brazing | Good | ||||||||||
| Oxyacetylene Welding | Not Recommended | ||||||||||
| Gas Shielded Arc Welding | Excellent | ||||||||||
| Coated Metal Arc Welding | Good | ||||||||||
Thermal Properties :
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Thermal Properties provided by CDA
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| Treatment | Temp./Time – US | Temp./Time – SI | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stress Relief | 600 | 316 | |||||||||
| Solution Minimum | 1585 | 863 | |||||||||
| Solution Maximum | 1635 | 891 | |||||||||
| Solution Time | 1 | ||||||||||
| Solution Medium | Water | ||||||||||
| Precipitation Value | |||||||||||
| Precipitation Time | |||||||||||
| Precipitation Medium | |||||||||||
| Annealing Minimum | 1150 | 622 | |||||||||
| Annealing Maximum | 1225 | 663 | |||||||||
| Annealing Time | 1 | ||||||||||
| Hot Treatment Minimum | |||||||||||
| Hot Treatment Maximum | |||||||||||