A384 is an aluminum alloy that is commonly used in die casting. It has good casting characteristics and high mechanical properties, making it well-suited for a wide range of applications.
Some of the key properties of A384 aluminum alloy include:
- Composition: A384 aluminum alloy contains around 7-9% silicon, 0.5-1.5% copper, and small amounts of magnesium, iron, and zinc.
- Density: The density of A384 aluminum alloy is around 2.78 g/cm3.
- Tensile strength: A384 aluminum alloy has a tensile strength of around 170-270 MPa.
- Yield strength: The yield strength of A384 aluminum alloy is around 130-230 MPa.
- Elastic modulus: The elastic modulus of A384 aluminum alloy is around 70 GPa.
- Thermal conductivity: A384 aluminum alloy has a thermal conductivity of around 200 W/m·K.
A384 aluminum alloy is widely used in the automotive, aerospace, and electronics industries due to its high strength-to-weight ratio and excellent casting properties. It can be die cast into a wide range of shapes and sizes, making it a popular choice for many different types of components.
why me chooose Aluminum A384 die casting alloy
A384 aluminum alloy is commonly used in die casting due to its good casting characteristics and high mechanical properties. Some of the key benefits of using A384 aluminum alloy include:
- High strength-to-weight ratio: A384 aluminum alloy has a high strength-to-weight ratio, making it ideal for applications where weight is a critical factor.
- Good casting characteristics: A384 aluminum alloy has good casting characteristics, making it easy to cast into a wide range of shapes and sizes.
- High tensile strength: A384 aluminum alloy has a high tensile strength of around 170-270 MPa, making it suitable for applications that require high levels of strength and durability.
- High yield strength: A384 aluminum alloy has a high yield strength of around 130-230 MPa, making it resistant to deformation under load.
- Excellent corrosion resistance: A384 aluminum alloy has excellent corrosion resistance, making it suitable for use in outdoor and marine environments.
- High thermal conductivity: A384 aluminum alloy has a high thermal conductivity of around 200 W/m·K, making it an effective heat sink material.
Overall, the combination of these properties makes A384 aluminum alloy a popular choice for a wide range of applications in industries such as automotive, aerospace, and electronics.
ADC12 (A383)and A384 are both aluminum alloys that are commonly used in die casting. While they have some similarities, there are also some key differences between the two alloys.
Here are some of the main differences between ADC12 and A384:
- Composition: ADC12 contains around 8-11% silicon, 0.5-1.2% copper, and small amounts of magnesium, iron, and zinc. A384 contains around 7-9% silicon, 0.5-1.5% copper, and small amounts of magnesium, iron, and zinc.
- Density: The density of ADC12 is around 2.7 g/cm3, while the density of A384 is around 2.78 g/cm3.
- Tensile strength: ADC12 has a tensile strength of around 190-290 MPa, while A384 has a tensile strength of around 170-270 MPa.
- Yield strength: The yield strength of ADC12 is around 140-250 MPa, while the yield strength of A384 is around 130-230 MPa.
- Elastic modulus: The elastic modulus of ADC12 is around 70 GPa, while the elastic modulus of A384 is around 70 GPa.
- Thermal conductivity: ADC12 has a thermal conductivity of around 200 W/m·K, while A384 has a thermal conductivity of around 200 W/m·K.
In general, ADC12 and A384 are both strong and ductile aluminum alloys that are well-suited for die casting. They may be used in similar types of applications, but the specific properties of each alloy may make one more suitable for a particular application than the other.
Aluminum 384 Die Casting Alloy
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 2.823 g/cc | 0.1020 lb/in³ | |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Brinell | 85 | 85 | 500 kg load, 10 mm ball |
| Hardness, Knoop | 109 | 109 | Estimated from Brinell Hardness. |
| Hardness, Rockwell B | 53 | 53 | Estimated from Brinell Hardness. |
| Hardness, Vickers | 96 | 96 | Estimated from Brinell Hardness. |
| Tensile Strength, Ultimate | 331 MPa | 48000 psi | |
| Tensile Strength, Yield | 165 MPa @Strain 0.200 % |
23900 psi @Strain 0.200 % |
|
| Elongation at Break | 2.5 % | 2.5 % | in 50 mm |
| Fatigue Strength | 140 MPa @# of Cycles 5.00e+8 |
20300 psi @# of Cycles 5.00e+8 |
Specific test unknown |
| Machinability | 50 % | 50 % | 0-100 Scale (100=best) |
| Shear Strength | 199 MPa | 28900 psi | Calculated |
| Electrical Properties | Metric | English | Comments |
| Electrical Resistivity | 0.00000750 ohm-cm | 0.00000750 ohm-cm | |
| Thermal Properties | Metric | English | Comments |
| Heat of Fusion | 389 J/g | 167 BTU/lb | Typical for cast aluminum |
CTE, linear  |
20.8 µm/m-°C @Temperature 20.0 – 100 °C |
11.6 µin/in-°F @Temperature 68.0 – 212 °F |
|
| 22.1 µm/m-°C @Temperature 20.0 – 300 °C |
12.3 µin/in-°F @Temperature 68.0 – 572 °F |
||
| Specific Heat Capacity | 0.963 J/g-°C | 0.230 BTU/lb-°F | Typical for cast aluminum |
| Thermal Conductivity | 92.0 W/m-K | 638 BTU-in/hr-ft²-°F | |
| Melting Point | 516 – 582 °C | 961 – 1080 °F | |
| Solidus | 516 °C | 961 °F | |
| Liquidus | 582 °C | 1080 °F | |
| Processing Properties | Metric | English | Comments |
| Annealing Temperature | 177 – 260 °C | 350 – 500 °F | Stress-relief anneal; hold at temperature 4 – 6 hrs; cool in still air |
| 260 – 371 °C | 500 – 700 °F | for increased ductility; hold at temperature 4 – 6 hrs; furnace cool or cool in still air | |
| Casting Temperature | 616 – 699 °C | 1140 – 1290 °F | Die Casting |
| Component Elements Properties | Metric | English | Comments |
| Aluminum, Al | 77.3 – 86.5 % | 77.3 – 86.5 % | As remainder |
| Copper, Cu | 3.0 – 4.5 % | 3.0 – 4.5 % | |
| Iron, Fe | <= 1.3 % | <= 1.3 % | |
| Magnesium, Mg | <= 0.10 % | <= 0.10 % | |
| Manganese, Mn | <= 0.50 % | <= 0.50 % | |
| Nickel, Ni | <= 0.50 % | <= 0.50 % | |
| Other, total | <= 0.50 % | <= 0.50 % | |
| Silicon, Si | 10.5 – 12 % | 10.5 – 12 % | |
| Tin, Sn | <= 0.35 % | <= 0.35 % | |
| Zinc, Zn | <= 3.0 % | <= 3.0 % | |
