Overview of 1050 Aluminum Coil
1050 aluminum coil belongs to the 1xxx series of commercially pure aluminum. With a minimum aluminum content of 99.5%, it is one of the most widely used pure aluminum grades in the industry. The material offers a combination of low density, high electrical and thermal conductivity, strong corrosion resistance and outstanding plastic forming performance. Supplied in coil form, it is designed for continuous, high-volume manufacturing processes such as rolling, stamping, bending and forming, which makes it a cost-efficient feedstock for a wide range of industrial products.
Key Performance Characteristics
The high purity of 1050 aluminum coil directly determines its practical advantages in service. Its main properties include low density and a lightweight structure, excellent electrical and thermal conductivity, strong resistance to atmospheric and chemical corrosion, high ductility and formability, and relatively low mechanical strength. The alloy is non-heat-treatable, so strength is developed only through cold working. Because of these characteristics, 1050 coil performs best in applications that prioritize forming, conductivity or corrosion resistance over load-bearing strength.
Production Forms and Typical Applications
1050 aluminum coil can be supplied in both cold-rolled and hot-rolled forms. Its low strength combined with superior corrosion resistance makes it especially suitable for parts with high forming requirements. Typical applications include chemical processing equipment and containers, components for the electrical industry, heat exchangers and heat sinks, cable sheathing and insulation materials, lamp reflectors and lighting components, as well as food industry containers and architectural flashings.
1050 vs 1060 Aluminum Coil
Both 1050 and 1060 aluminum coils belong to the 1xxx series pure aluminum family and share very similar physical and chemical properties. In many modern applications the two grades can substitute for each other. The main difference is aluminum content: 1050 requires a minimum of 99.5%, while 1060 requires a minimum of 99.6%. The higher purity of 1060 gives it marginally better conductivity, and it is increasingly specified in demanding electrical and precision applications, while 1050 remains a widely accepted and economical choice across general industrial uses.
Technical Specifications and Standards
1050 aluminum coil is available in a broad range of specifications. Common tempers include F, O, H12, H14, H16, H18, H19, H22, H24, H26, H28, H111, H112 and H114. Typical thickness ranges from 0.2 mm to 350 mm, width from 100 mm to 2600 mm, and length from 200 mm to 11000 mm. Mother coils can be produced by continuous casting (CC) or direct chill (DC) casting, with a typical minimum order quantity of 5 tons per size. Products are usually manufactured to GB/T 3880, JIS H4000, EN 485 and ASTM B209, with delivery around 30 days after deposit under FOB, CIF or CFR terms.
Temper Selection and Surface Finishing
Selecting the right temper is the key to matching 1050 coil to a specific process. The soft O temper offers maximum formability for deep drawing and spinning, H14 provides a balanced combination of strength and workability, and H18 delivers the highest strength among the common strain-hardened tempers. Where a decorative or protective finish is required, 1050 aluminum coil, including the 1050A grade, responds well to anodizing for both decorative and technical purposes. It is also well suited to chemical and electrolytic brightening, producing the highly reflective surfaces needed in lighting and architectural applications. During transit, coils are typically packed about 2 metric tons per pallet with protective paper interlayers and film options including white film, blue film, black-white film and micro-bond film, keeping the surface clean, smooth and free of corrosion, oil stains and visible defects.
FAQ
Is 1050 aluminum coil suitable for electrical applications?
Yes. Its high purity gives it excellent electrical conductivity, close to that of pure aluminum, making it a common choice for conductors, busbars, cable sheathing and electronic components.
Can 1050 aluminum coil be anodized?
Yes. 1050 coil demonstrates excellent anodizing performance for both decorative and technical finishes, and it also responds well to chemical and electrolytic brightening for reflective surfaces.
What is the difference between 1050 and 1060 aluminum coil?
The primary difference is aluminum content: 1050 contains at least 99.5% aluminum while 1060 contains at least 99.6%. 1060 offers slightly higher purity and conductivity and is increasingly used as a substitute, while 1050 remains a popular economical choice.
Is 1050 aluminum coil heat treatable?
No. 1050 is a non-heat-treatable alloy. Its strength is increased only through cold working, which produces the H-series tempers such as H14 and H18.
What industries use 1050 aluminum coil?
It is widely used in chemical processing equipment, electrical components, heat exchangers and heat sinks, cable sheathing, lamp reflectors, food containers and architectural flashings.