Aluminum ingots are categorized based on their purity levels, with designations like A7, A8, and A9 indicating varying degrees of aluminum content. These high-purity ingots are essential in industries that demand superior mechanical properties, corrosion resistance, and versatility. They are indispensable in sectors such as aerospace, automotive, electronics, and construction. This article provides a comprehensive overview of A8 aluminum alloy specification, composition, grade, price, and a comparison with A9 aluminium ingots.
What’s the Aluminium Ingot A8?
Aluminium ingot A8 is a high-purity aluminum ingot with a purity level of approximately 99.8%. It is commonly used in various industries, including automotive, aerospace, construction, and electronics, due to its excellent strength-to-weight ratio, corrosion resistance, and good electrical conductivity. A8 ingots are produced through electrolytic reduction of alumina and are typically cast into standard shapes for easy handling and processing. They are often further processed into aluminum alloys or used directly in manufacturing processes such as extrusion, rolling, and casting to produce a wide range of aluminum products.
Advantages of the A8 Aluminium Ingots
Lightweight: Aluminum’s low density contributes to reduced weight in applications, which is especially beneficial in automotive and aerospace sectors aiming to improve fuel efficiency.
High Malleability: The excellent malleability of A8 aluminum allows it to be easily formed into various shapes, facilitating diverse manufacturing processes.
Good Electrical Conductivity: A8 aluminum’s good electrical conductivity makes it suitable for electrical and electronic applications.
Corrosion Resistance: The inherent corrosion resistance of aluminum ensures durability and longevity, reducing maintenance costs in applications exposed to environmental elements.
Recyclability: Aluminum is highly recyclable, supporting environmental sustainability and offering economic benefits through material reuse.
A8 Aluminium Ingots Specification
A8 aluminum ingots are high-purity aluminum products with a minimum aluminum content of 99.8%. This high purity level ensures excellent properties such as light weight, high malleability, good electrical conductivity, and corrosion resistance. These characteristics make A8 aluminum ingots suitable for various industrial applications, including the production of aluminum alloy materials, automotive parts, aerospace components, construction materials, and electrical cables.
Aluminium A8 Chemical Composition
Aluminum (Al): ≥99.8%
Silicon (Si): ≤0.06%
Iron (Fe): ≤0.10%
Zinc (Zn): ≤0.015%
Other impurities: ≤0.02%
What’s the Application of Aluminum A8
A8 aluminum ingots, known for their high purity and excellent performance, are widely used in various fields:
Automotive Manufacturing: Used to produce automotive parts, helping to reduce vehicle weight and improve fuel efficiency.
Aerospace: Suitable for components in the aerospace sector that require high-purity aluminum materials.
Electronics Industry: Applicable in the manufacturing of high-precision electronic components.
Architectural Decoration: Used in the production of architectural decorative materials.
Packaging Materials: Employed in the production of various aluminum packaging materials.
What is Aluminum A8 Grade?
A8 aluminum ingots are high-purity aluminum products with a minimum aluminum content of 99.8%. This grade corresponds to the EN AW-1080A standard in the European classification and 1180A in the American aluminum association.
A8 aluminum’s high purity ensures excellent mechanical properties, including light weight, high malleability, and good conductivity, making these ingots ideal for a wide range of industrial processes. These ingots are commonly used in various industries due to their excellent extrudability and corrosion resistance.
What’s the Price of Aluminium Ingot A8?
A8 aluminum ingots price varies depending on factors such as purity, supplier, and market conditions. For instance, some suppliers list prices ranging from approximately $1,570 to $1,700 per ton for Aluminum A8 with 99.7% purity.
It’s important to note that these prices can fluctuate based on global aluminum market trends and regional demand. Additionally, recent developments, such as the announcement of a 25% tariff on aluminum imports by the U.S. government, have led to increased premiums in the U.S. physical market, potentially impacting global prices.
What is the Density of A8 Aluminium Ingots?
Aluminum ingots a8, characterized by their high purity (99.8% aluminum content), have a density of approximately 2.7 grams per cubic centimeter (g/cm³). This density is consistent with that of pure aluminum, which typically ranges from 2.70 to 2.71 g/cm³.
What is the Melting Point of A8 Aluminum Ingots?
The melting point of A8 aluminum alloy ingots, composed of 99.8% pure aluminum, is approximately 660°C (1220°F).
Aluminum A8 vs A9, What’s the Difference?
Aluminum ingots are categorized based on their purity levels, with A8 and A9 being two prominent grades. A8 aluminum ingots have a purity of 99.8%, while A9 ingots boast a higher purity of 99.9%. This incremental increase in purity enhances certain material properties, making A9 ingots more suitable for applications requiring exceptional conductivity and corrosion resistance. Conversely, A8 ingots, with their slightly lower purity, are often preferred in applications where a balance between performance and cost-effectiveness is essential.
| Property | A8 Aluminum Ingot | A8 Aluminum Ingot |
| Purity | 99.8% | 99.9% |
| Density | Approximately 2.7 g/cm³ | Approximately 2.7 g/cm³ |
| Melting Point | Approximately 660°C (1220°F) | Approximately 660°C (1220°F) |
| Applications | Automotive parts, construction materials, general industrial uses | Aerospace components, electronic applications, specialized industrial uses |
| Price | Generally lower due to slightly lower purity | Generally higher due to higher purity |