6082-T42 aluminum alloy is a specific temper of 6082 aluminum alloy, processed through solution heat treatment and natural aging. This treatment significantly improves the mechanical properties of the alloy, particularly its strength, while maintaining good machinability and other excellent characteristics.
Alloy Composition: 6082-T42 aluminum alloy is primarily composed of aluminum (Al), with appropriate amounts of silicon (Si), magnesium (Mg), manganese (Mn), and iron (Fe). These elements provide the alloy with good strength, corrosion resistance, and other beneficial properties.
Heat Treatment (T42): The T42 temper indicates that the aluminum alloy has undergone solution heat treatment followed by natural aging. This process enhances the alloy’s strength without significantly affecting its formability. The natural aging process improves the tensile strength of 6082-T42, making it suitable for applications requiring higher strength.
Mechanical Properties
Thermal Properties
Thermal Conductivity: 6082-T42 has good thermal conductivity, enabling effective heat dissipation, which is excellent for applications that require thermal management.
Solidus and Liquidus Temperature: The solidus temperature of 6082-T42 is relatively high, making it suitable for high-temperature environments.
Thermal Expansion: This alloy has a stable coefficient of thermal expansion, ensuring good dimensional stability across a wide temperature range.
Electrical Properties: 6082-T42 has good electrical conductivity, although slightly lower than some other alloys, it is still suitable for applications requiring certain electrical properties.
Corrosion Resistance: Due to its higher aluminum content and other alloying elements, 6082-T42 exhibits excellent corrosion resistance, especially in atmospheric and marine environments. This makes it highly suitable for outdoor-exposed structures, such as bridges and marine components.
Weight: 6082-T42 has a lower density compared to many other structural alloys, making it an ideal choice for lightweight structural applications, especially where reducing weight without compromising strength is necessary, such as in transportation and structural components.
Due to its excellent strength-to-weight ratio, corrosion resistance, and good machinability, 6082-T42 aluminum alloy is widely used across various industries.
| Application Field | Description |
| Transportation | 6082-T42 aluminum alloy is widely used in components of vehicles such as cars, trucks, and trains, particularly in applications where strength and weight reduction are critical. With its excellent strength, rigidity, and corrosion resistance, it helps reduce the overall weight of transportation vehicles, improving fuel efficiency or battery range. It is particularly used in vehicle body frames, chassis components, structural supports, and transport vehicle carriages. |
| Shipbuilding | Due to its outstanding corrosion resistance, 6082-T42 aluminum alloy is suitable for shipbuilding and marine environment components. It is applied in parts exposed to seawater, such as hulls, cabin frames, decks, and piping systems. Its seawater corrosion resistance extends the lifespan of ships and reduces maintenance costs, especially in ship structures that require lightweight, high-strength materials. |
| Building Structures | In the construction industry, 6082-T42 aluminum alloy is used in bridges, building frames, and other structural components, especially in situations where high strength and durability are required. 6082-T42 can withstand high-strength loads and has excellent corrosion resistance, making it ideal for environments with variable weather or salt spray, avoiding the corrosion issues of traditional steel, particularly in bridges and large building structures. |
| Industrial Equipment | 6082-T42 aluminum alloy has broad applications in industrial equipment, especially in mechanical equipment and structural parts that require good strength, ductility, and ease of machining. It is commonly used in the manufacturing of mechanical supports, tooling fixtures, machine frames, and automation equipment. Its excellent mechanical properties and machinability meet the demands for strength and dimensional accuracy in precision equipment, while its wear resistance and corrosion resistance make it suitable for various industrial facility enclosures and protective covers. |
6082-T42 aluminum alloy is a highly versatile alloy, suitable for a variety of structural and industrial applications, especially in cases where high strength and machinability are required.
| Property | 6082-T42 |
| Elastic (Young's) Modulus (GPa) | 69 |
| Elongation at Break (%) | 15 |
| Fatigue Strength (MPa) | 55 |
| Poisson's Ratio | 0.33 |
| Shear Modulus (GPa) | 26 |
| Shear Strength (MPa) | 140 |
| Tensile Strength: Ultimate (MPa) | 230 |
| Tensile Strength: Yield (MPa) | 110 |
| Property | 6082-T42 |
| Latent Heat of Fusion (J/g) | 410 |
| Maximum Temperature: Mechanical (°C) | 170 |
| Melting Completion (Liquidus) (°C) | 650 |
| Melting Onset (Solidus) (°C) | 580 |
| Specific Heat Capacity (J/kg-K) | 900 |
| Thermal Conductivity (W/m-K) | 160 |
| Thermal Expansion (µm/m-K) | 23 |
| Property | 6082-T42 |
| Electrical Conductivity (Equal Volume) (% IACS) | 42 |
| Electrical Conductivity (Equal Weight) (% IACS) | 140 |
| Element | 6082-T42 (%) |
| Aluminum (Al) | 95.2 to 98.3 |
| Chromium (Cr) | 0 to 0.25 |
| Copper (Cu) | 0 to 0.1 |
| Iron (Fe) | 0 to 0.5 |
| Magnesium (Mg) | 0.6 to 1.2 |
| Manganese (Mn) | 0.4 to 1.0 |
| Silicon (Si) | 0.7 to 1.3 |
| Titanium (Ti) | 0 to 0.1 |
| Zinc (Zn) | 0 to 0.2 |
| Residuals | 0 to 0.15 |
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