Stock code: 601677
Stock code: 601677
Within the family of industrial pure aluminum, 1070 and 1050 are two widely used and often compared grades. For procurement engineers, product designers, and decision-makers, choosing between them is a common challenge that directly impacts product performance, cost, and final quality. This article delves into their core difference—aluminum purity—and provides a clear guide to help you select the ideal foundational material for your project.
All differences stem from their fundamental chemical composition.
* 1070 Aluminum: Represents high-purity aluminum, with a content of 99.7% or higher. This means impurity elements (like iron, silicon) are controlled to very low levels.
* 1050 Aluminum: Also part of the industrial pure aluminum series, it has a minimum aluminum content of 99.5%. Its purity is slightly lower than 1070’s, but it remains an excellent pure aluminum.
This seemingly small difference in purity, akin to “24-carat” vs. “22-carat” gold, directly leads to diverging physical properties.
* Conductivity: 1070 aluminum, with its higher purity, has slightly better electrical conductivity. Electrons encounter less resistance in purer metal, making 1070 the preferred choice for applications demanding high conductivity, such as busbars and capacitors.
* Strength and Hardness: 1050 aluminum, containing slightly more alloying elements, is somewhat stronger and harder than 1070. This creates a slight “solid solution strengthening” effect, making it perform better where some structural strength is needed.
* Plasticity (Ductility) & Corrosion Resistance: 1070 aluminum is softer, offering excellent ductility and deep drawing performance, making it suitable for complex stretching and forming. Furthermore, due to fewer impurities, its theoretical corrosion resistance is also superior. 1050 maintains good plasticity while offering moderate strength.
|
Characteristic |
1070 Aluminum Alloy |
1050 Aluminum Alloy |
|
Aluminum Content |
≥ 99.7% |
≥ 99.5% |
|
Key Advantage |
Conductivity, Ductility, Corrosion Resistance |
Balance of Strength & Formability, Cost-Effectiveness |
|
Strength Level |
Lower (Softer) |
Slightly Higher |
|
Formability |
Excellent, especially for deep drawing, complex stretches |
Good, meets most forming needs |
|
Common Tempers |
O (Annealed), H14/H24, etc. |
O (Annealed), H14/H24, etc. |
Understanding the performance differences allows for precise mapping to real-world applications.
* High Conductivity Requirements: This is 1070’s core domain. Choose 1070 when your project has demanding conductivity needs. Typical uses include:
* Power Industry: Transformer windings, busbars, cable shielding, high-voltage capacitors.
* Electronics: Conductive substrates for components, heat sinks (also leveraging thermal conductivity).
* Deep Forming Products: For products requiring multiple draws or complex shapes, 1070’s softer nature helps prevent cracking. Examples include:
* Chemical Containers: Deep-drawn chemical anti-corrosion linings, storage tanks.
* High-End Decorations: Architectural decoratives or crafts requiring complex curved forming.
* Harsh Corrosive Environments: In specific chemical environments where maximum corrosion resistance is critical, 1070’s higher purity offers more reliable protection.
* Applications Balancing Strength and Cost: 1050 is the perfect choice when your product needs some structural strength and is cost-sensitive. Its uses are vast:
* Cookware & Utensils: Bodies of non-stick pots, pans, kitchenware, requiring strength to maintain shape.
* Lighting & Reflectors: Lamp housings, reflector shades, needing good formability and rigidity.
* Signage & Printing Plates: Nameplates, signs, printing base plates, offering good surface treatment results.
* Architectural Decoration: Ceiling panels, wall cladding, louvers, providing the best mix of strength, formability, and weather resistance.
* Chemical Equipment: For manufacturing atmospheric or low-pressure chemical pipelines, storage tanks (non-deep drawn).
Whether you ultimately choose 1070 or 1050, the inherent quality of the raw material is the first critical factor for your project’s success. As a leading aluminum manufacturer in China, Mingtai Aluminum understands this deeply.
* Precise Composition, Consistent Quality: We employ advanced melting and rolling technologies to strictly ensure the chemical composition of every coil of 1070 and 1050 aluminum sheet/coil meets international standards, guaranteeing stable conductivity, strength, and corrosion resistance from the source.
* Comprehensive Specifications, Stable Supply: We offer a wide range of thicknesses and tempers (O, H14, H24, etc.) for both 1070 and 1050, meeting diverse project needs and ensuring stable supply for large orders.
* Focus on Raw Materials Makes Us Specialists: We specifically emphasize that Mingtai Aluminum focuses on the production and sale of raw materials like aluminum sheets and coils, and does not engage in subsequent processing like cutting, slitting, or surface treatment. This allows us to concentrate all resources and expertise on enhancing the quality of the raw material, providing you with the most reliable and stable product foundation.
If you are still weighing 1070 vs 1050 Aluminum, or need precise technical parameters and competitive pricing, we strongly recommend contacting our professional sales team. Mingtai Aluminum’s engineers can provide the most neutral and professional material selection advice based on your specific application, forming process, and performance requirements.
Choosing Mingtai means opting for peace of mind and reliability starting from the source. Contact us today to find the strongest material foundation for your project!
