Aluminum Alloy 4047 (UNS A94047)
Aluminum 4047 is a type of aluminum alloy that is commonly used in welding and brazing applications. It has a relatively low melting point and good fluidity, making it ideal for use in applications where joining aluminum parts is required.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Aluminum | 85.3% | 89.0% |
| Copper | —— | 0.3% |
| Iron | —— | 0.8% |
| Magnesium | —— | 0.1% |
| Manganese | —— | 0.15% |
| Silicon | 11% | 13% |
| Zinc | —— | 0.2% |
| Residuals | —— | 0.15% |
The following table provides a list of aluminum 4047 properties in both SI and US customary/Imperial units.
Click on the icon to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Density | 2600 kg/m3 |
| Mechanical Properties | Metric |
| Tensile Strength | 120 MPa |
| Yield Strength | 64 MPa |
| Young’s Modulus (E) | 72 GPa |
| Shear Modulus (G) | 27 GPa |
| Poisson’s Ratio (ν) | 0.33 |
| Thermal Properties | Metric |
| Melting Point | 577 - 582 °C |
| Thermal Conductivity | 130 W/m·K |
| Specific Heat Capacity (Cp) | 900 J/kg·K |
The values in this table are approximate and can vary depending on various factors such as the specific manufacturing process and heat treatment applied to the alloy.
Advantages & Disadvantages of Aluminum 4047
| Advantages | Disadvantages |
|---|---|
| Good corrosion resistance | Limited strength |
| Easy to weld and braze | Limited availability |
| Lightweight | Susceptible to cracking |
| Good thermal conductivity | Limited temperature range |
Applications of Aluminum 4047
AppliAluminum 4047 is a versatile aluminum alloy that is commonly used in a variety of applications. Here are some of the main applications of Aluminum 4047:cationIntro
- Heat exchangers: Due to its excellent thermal conductivity and corrosion resistance, Aluminum 4047 is often used in the manufacture of heat exchangers for a variety of industries including automotive, HVAC, and industrial.
- Automotive parts: Aluminum 4047 is used in the automotive industry for a range of applications, such as radiator tanks, fuel tanks, and other components that require welding or brazing.
- Aerospace: This aluminum alloy is used in the aerospace industry for the fabrication of aircraft components, such as fuel tanks, structural members, and other parts that require high corrosion resistance and good weldability.
- Electronics: Aluminum 4047 is used in the electronics industry for heat sinks, and other components that require good thermal conductivity and corrosion resistance.
- Food packaging: Aluminum 4047 is sometimes used in the manufacture of food packaging due to its excellent resistance to corrosion and its ability to form easily into various shapes.
- Marine: This aluminum alloy is used in the manufacture of marine components that require good corrosion resistance, such as ship hulls and offshore structures.
- Welding wire: Aluminum 4047 is also used as a welding wire for joining aluminum alloys.