1100 H28 aluminum alloy is a specific temper of 1100 aluminum, with enhanced strength achieved through strain hardening and partial annealing. It belongs to the pure aluminum series (over 99% aluminum) and is in the H28 temper, which is typically produced by a combination of partial annealing and strain hardening.
1100 H28 aluminum offers enhanced strength and good corrosion resistance, making it particularly suitable for applications requiring medium strength and high formability, such as chemical tanks and automotive parts. This alloy is designed to balance strength with workability, performing excellently across various industrial fields.
| Properties | Description |
| Strength and Hardness | 1100 H28 aluminum has higher strength compared to other 1100 series alloys (such as H14 and H18), with greater tensile strength and hardness. Its yield strength and tensile strength are enhanced, making it suitable for medium-load applications. However, compared to high-strength alloys (such as 7075 or 2024), its strength is still relatively low. |
| Corrosion Resistance | 1100 aluminum itself has excellent corrosion resistance, especially in atmospheric environments. The H28 temper of 1100 aluminum retains this property, resisting oxidation and corrosion from most chemicals, making it suitable for applications exposed to wet and corrosive environments. |
| Ductility and Formability | While the H28 temper provides higher strength, it has lower ductility compared to other tempers (such as H18). Due to the strengthening effect, it doesn't have as high ductility as H14 or H18 tempers, making it unsuitable for highly complex forming operations but suitable for applications requiring medium formability. |
1100 H28 aluminum is an alloy with excellent strength and corrosion resistance, making it ideal for various medium-strength and high-formability industrial applications. It performs exceptionally well in chemical storage, automotive parts, and other industrial fields, making it a reliable material choice.
| Application Fields | Description |
| Chemical Containers and Tanks | Due to its excellent corrosion resistance, 1100 H28 aluminum is highly suitable for the manufacture of chemical containers and tanks. These containers and tanks are commonly used for storing and transporting various chemical liquids, capable of resisting corrosion from many chemicals, ensuring no damage or leaks during prolonged use. |
| Automotive Parts | 1100 H28 aluminum is widely used in the automotive industry due to its moderate strength and good workability, particularly in automotive exteriors, trim, and other structural parts requiring medium strength. It provides sufficient strength while maintaining light weight and corrosion resistance, enhancing the performance and lifespan of vehicles. |
| Food and Beverage Industry | In the food and beverage packaging industry, 1100 H28 aluminum is widely used, especially in applications where high strength and corrosion resistance are required. Its corrosion resistance ensures the safe storage of food and beverages while offering long-term durability, commonly found in beverage cans and food packaging. |
| Electrical Components | 1100 H28 aluminum offers good electrical conductivity and corrosion resistance, making it widely used in electrical components. Particularly in electrical equipment enclosures, it effectively protects internal components from external environmental impacts, ensuring the safe operation of equipment. This aluminum alloy is also suitable for frames and supporting structures of certain electrical devices. |
Compared to other variants of 1100 aluminum, 1100 H28 has the lowest ductility. This means that in some applications requiring extreme ductility, other aluminum alloys may be considered. However, its superior strength and corrosion resistance make it an ideal choice for many critical applications.
1100 H28 aluminum has good machinability, making it suitable for common machining operations such as cutting, drilling, bending, and welding. However, due to its higher hardness, it has poorer formability, and deep drawing or complex forming may require greater processing force.
Although 1100 H28 aluminum has good weldability, its hardness and strengthened state may affect the effectiveness of certain welding processes. After heat treatment, its strength may be reduced, which is why it is generally not used in applications requiring high strength or complex heat treatment processes.
1100 H28 aluminum alloy combines excellent corrosion resistance and enhanced strength, making it suitable for a range of medium-strength applications that require good formability. Although its ductility is relatively low, it still performs excellently in environments where strength and corrosion resistance are highly demanded, such as chemical containers and automotive parts.
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