Rheocast Company
Specialists in Brass and Aluminum
High Pressure Die Casting
Typical Uses
Consumer
- Tools
- Frames
- Buckets
Builders’s Hardware
- Enclosures
- Tools
General Hardware
- Handles
- Knobs
- Press Frames
Industrial
- Pump Fixtures
- Levers
- Housings
- Valve Bodies
- Fittings
- Covers
- High Strength, Thin Walled Die Castings
A380 Aluminum Alloy Properties
| Elements | Al | Si | Fe | Cu | Mn | Mg | Cr | Ni | Zn | Sn | Ti | Trace |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| %Min | – | 7.50 | – | 3.00 | – | – | – | – | – | – | – | – |
| %Max | – | 9.50 | 1.00 | 4.00 | .50 | .30 | – | .50 | 2.90 | 3.50 | – | 0.50 |
| %Norm | Balance | 8.50 | – | 3.50 | – | – | – | – | – | – | – | – |
| Specific Gravity | 2.71 |
| Density | 0.098 lb/in3 at 68°F |
| Melting Point – Solidus | 1,000°F |
| Melting Point – Liquidus | 1,100°F |
| Electrical Conductivity | 23% IACS at 68°F |
| Thermal Conductivity | 55.6 Btu/ft/(hr/ft2/°F) at 68°F |
| Coefficient of Thermal Expansion | 12.1 x 10-6 per °F (68°F – 572°F) |
| Specific Heat Capacity | 0.23 Btu/lb/°F at 68°F |
| As Sand Cast | Temp | Tensile Strength | Yield Strength | El % | Brinell Hardness | Fatigue Strength | Shear Strength | Young’s Modulus |
|---|---|---|---|---|---|---|---|---|
| °F/°C | Ksi/MPa | 500/10mm/Ball | PSI x 106/GPa | |||||
| S-Max | 77 | – | – | – | – | – | – | – |
| S-Max | 25 | 330 | 165 | – | – | – | – | 80 |
| S-Min | 77 | – | – | 3.0 | – | – | – | – |
| S-Min | 25 | – | – | 3.0 | – | – | – | 70 |
| Typical | 77 | 47 | 23 | 3.5 | 80 | 20 | 27 | 10.3 |
| Typical | 25 | 320 | 160 | 3.5 | 80 | 140 | 190 | 71 |
| Joining Technique | Suitability |
|---|---|
| Resistance to Hot Cracking | 2 |
| Pressure Tightness | 2 |
| Die-filling Capacity | 2 |
| Anti-soldering to Die | 1 |
| Corrosion Resistance | 4 |
| Machining Ease and Quality | 3 |
| Polishing Ease and Quality | 3 |
| Electroplating Ease and Quality | 1 |
| Anodizing (Appearance) | 3 |
| Chemical Oxide Protective Coating | 4 |
| Strength at Elevated Temperature | 3 |