1070 aluminum sheet belongs to the 1000 series of commercially pure aluminum, with an aluminum content of no less than 99.70%. As one of the highest-purity aluminum grades in this series, 1070 offers outstanding electrical conductivity, thermal conductivity, and corrosion resistance, making it especially suitable for applications where high conductivity and material purity are critical.
Description
Yutwin New Materials specializes in the production of aluminum sheets and coils in a wide range of alloys, grades, and specifications, offering stable quality, flexible customization, and reliable supply to meet the diverse needs of different industries.
Features
- High-purity aluminum (Al ≥ 99.7%)
Belongs to the 1000-series aluminum alloys, with extremely low impurity content and excellent material consistency.
- Outstanding electrical conductivity
Electrical conductivity up to approximately 62–63% IACS, making it ideal for electrical and conductive applications.
- Excellent thermal conductivity
Provides efficient heat transfer and heat dissipation for thermal management applications.
- Superior corrosion resistance
Forms a stable and dense oxide layer, offering reliable resistance to atmospheric and humid environments.
- Excellent formability and workability
Very soft and highly ductile, easy to process by bending, stamping, stretching, rolling, and deep drawing.
- Smooth and uniform surface quality
Suitable for anodizing, painting, coating, embossing, and film lamination.
- Good weldability
Compatible with common aluminum welding methods such as TIG and MIG.
Specifications
| Parameter | Description |
|---|---|
| Alloy | 1070 |
| Chemical Composition (%) | Al ≥ 99.70, Si ≤ 0.20, Fe ≤ 0.25, Cu ≤ 0.04, Mn ≤ 0.03, Mg ≤ 0.03, Zn ≤ 0.04, Ti ≤ 0.03, Others ≤ 0.05 |
| Temper | O, H12, H14, H16, H18 |
| Thickness Range | 0.2 – 6.0 mm (customizable) |
| Width | Customizable (20 – 2000 mm) |
| Length | 2000 – 6000 |
| Surface Finish | Mill Finish, Bright, Brushed, Coated, Film Laminated (optional) |
| Standard | ASTM B209 / EN AW-1070 / GB/T 3880 |
Common Aluminum Surface Treatments
Pulido
El pulido emplea métodos de abrasión mecánica, químicos o electroquímicos para mejorar la lisura y el brillo de las superficies de aluminio. El aluminio pulido presenta un acabado de alto brillo y una excelente apariencia decorativa.
Cepillada
El cepillado es un proceso de tratamiento superficial que crea texturas finas y direccionales en el aluminio mediante el uso de bandas abrasivas o cepillos. La superficie cepillada ofrece un aspecto metálico refinado a la vez que ayuda a disimular los arañazos leves.
Revestimiento
El proceso de recubrimiento aplica una capa protectora sobre la superficie de aluminio mediante técnicas como el recubrimiento en polvo, la pulverización de pintura líquida u otros métodos. Este acabado proporciona una excelente resistencia a la intemperie, protección contra la corrosión y una amplia variedad de opciones de color. El aluminio recubierto combina un atractivo estético con una gran durabilidad a largo plazo.
Anodizado
El anodizado es un proceso electroquímico que forma una capa densa de óxido en la superficie del aluminio, mejorando la resistencia a la corrosión, la resistencia al desgaste y la dureza superficial. La capa de óxido también puede teñirse para lograr diversos acabados.
Chorro de arena
El granallado con arena utiliza partículas abrasivas a alta velocidad que impactan contra la superficie de aluminio, creando una textura mate uniforme. Este proceso proporciona un aspecto metálico suave, reduce las marcas de huellas dactilares y mejora la adherencia del recubrimiento para los procesos de acabado posteriores.
Realce
El estampado es un proceso que forma patrones elevados o empotrados en superficies de aluminio mediante laminado o estampado. Los patrones comunes incluyen texturas de estuco, diamantes y vetas de madera. El aluminio repujado ofrece excelentes efectos decorativos, resistencia al rayado y ciertas propiedades antideslizantes.
Typical Applications
- Electrical applications
Ideal for bus bars, electrical panels, transformer components, and other conductive parts due to high electrical conductivity.
- Architectural and building applications
Suitable for roofing, wall cladding, ceiling panels, decorative sheets, and interior panels because of excellent corrosion resistance.
- Heat transfer and thermal applications
Used in heat exchangers, heat shields, insulation panels, and other components requiring effective thermal management.
- Chemical and industrial equipment
Applicable for tanks, covers, containers, and protective panels in mild chemical environments.
- Signage and decorative products
Commonly used for nameplates, signboards, reflectors, and decorative panels with anodizing or coating treatment.
- General fabrication and forming
Excellent for bending, stamping, stretching, rolling, and deep drawing of non-structural components.
