1050 H24 Aluminum Coils: High-Purity, Enhanced Strength for Multifunctional Applications
Our 1050 H24 aluminum coils are a staple in the commercial pure aluminum sector, offering an unbeatable combination of exceptional purity, enhanced strength from H24 temper, and reliable versatility. As a premium commercially pure aluminum grade with 99.5% aluminum content, 1050 inherently delivers superior corrosion resistance and ductility. The H24 temper-achieved through controlled cold working followed by partial annealing-takes its performance a step further, providing increased rigidity for structural stability without compromising the formability that pure aluminum is known for. This makes them the ideal choice for a broad spectrum of industrial, architectural, and consumer-facing applications where dependability, ease of processing, and cost-efficiency are non-negotiable. Compliant with stringent international standards (ASTM B209, EN 485-2, GB/T 3880), our 1050 H24 coils guarantee consistent quality, uniform thickness, and stable performance for both large-scale production runs and custom projects. Below, we detail their core properties, technical specifications, key applications, and processing insights to help you make the most of this versatile aluminum solution.
Crafted from high-purity 1050 aluminum ingots, our coils go through a refined production process to ensure peak performance and consistency. We begin with advanced melting and refining technologies to achieve aluminum purity ≥99.5%, a critical factor in ensuring uniform corrosion resistance and surface smoothness. The H24 temper is then precisely engineered: controlled cold rolling strengthens the material, followed by partial annealing to balance strength and ductility-striking the perfect middle ground for most fabrication needs. Each coil undergoes rigorous quality inspections, including laser-guided thickness measurement (with tolerance as low as ±0.02mm), surface defect screening to ensure burr-free, smooth surfaces, and comprehensive mechanical property testing (tensile strength, yield strength, elongation). The end result is a 1050 H24 aluminum coil that's ready to handle everything from simple cutting to complex stamping, all while maintaining consistent, reliable performance.
Core Properties of 1050 H24 Aluminum Coils
1050 H24 aluminum coils stand out for their well-rounded performance profile, rooted in high purity and optimized by the H24 temper. The high aluminum content forms the basis for their natural corrosion resistance and ductility, while the H24 treatment enhances their structural practicality. Here are the key characteristics that make them a top choice for diverse applications:
1. High Purity & Superior Natural Corrosion Resistance
With 99.5% aluminum content, 1050 H24 aluminum forms a dense, adherent protective oxide layer on its surface, delivering excellent natural corrosion resistance. It performs reliably in atmospheric environments, fresh water, and mild chemical settings, making it suitable for both indoor and outdoor applications without the need for additional protective coatings. This inherent corrosion resistance ensures long-term durability, even in humid conditions, coastal areas, or industrial workshops with minor chemical exposure.
2. Enhanced Strength & Balanced Ductility (H24 Temper Advantage)
The H24 temper (half-hard, cold-worked and partially annealed) is the key to this product's enhanced performance. Compared to fully annealed (O temper) pure aluminum, 1050 H24 offers significantly higher strength-with a tensile strength of 120-150 MPa and yield strength of 100-130 MPa-providing ample rigidity for light to medium load-bearing components. Crucially, it retains excellent ductility (elongation ≥12%), allowing for easy forming into complex shapes such as bends, folds, and stamped parts with tight radii (minimum bend radius: 2x material thickness) without cracking or permanent deformation.
3. Excellent Processability & Adaptability
1050 H24 aluminum is highly compatible with all standard aluminum fabrication techniques. It can be effortlessly cut, slit, bent, stamped, rolled, and welded using common methods (MIG, TIG, resistance welding), making it a favorite among manufacturers looking to streamline production workflows. Whether you're creating simple sheets, intricate components, or assembled structures, this alloy adapts seamlessly. It also accepts a wide range of surface finishes-including anodizing, painting, polishing, and brushing-to meet both functional and aesthetic requirements.
4. Lightweight & Cost-Effective
Boasting a density of 2.71 g/cm³, 1050 H24 aluminum is lightweight, simplifying transportation, handling, and installation. It offers a cost-effective alternative to higher-alloyed aluminum grades or heavier materials like steel for applications that don't require extreme strength. This combination of light weight and affordability makes it ideal for large-scale production, helping to reduce overall project costs without sacrificing quality or performance.
5. Excellent Thermal & Electrical Conductivity
As a high-purity aluminum grade, 1050 H24 delivers excellent thermal conductivity (230 W/(m·K)) and electrical conductivity (59% IACS). This makes it perfectly suited for heat transfer applications such as heat sinks, radiators, and HVAC components, where efficient thermal dissipation is critical. It also performs well in low-voltage electrical applications like bus bars, wire cladding, and electrical enclosures, ensuring reliable energy transfer.
6. Eco-Friendly & Fully Recyclable
1050 aluminum is 100% recyclable with minimal loss of quality, aligning with global sustainability objectives. Our production process for 1050 H24 coils adheres to strict environmental standards, minimizing carbon emissions and energy consumption. For businesses prioritizing eco-friendly practices, this product is a responsible choice that supports circular economy initiatives.
Technical Specifications of 1050 H24 Aluminum Coils
Our 1050 H24 aluminum coils are available in a range of dimensions to suit diverse application needs, all meeting international quality standards. Below are the detailed technical parameters:
1. Alloy Composition
Aluminum (Al): ≥ 99.5%
Silicon (Si): ≤ 0.25%
Iron (Fe): ≤ 0.40%
Copper (Cu): ≤ 0.05%
Manganese (Mn): ≤ 0.03%
Zinc (Zn): ≤ 0.05%
Other impurities: ≤ 0.15% (total)
2. Mechanical Properties (H24 Temper)
Tensile strength: 120-150 MPa
Yield strength: 100-130 MPa
Elongation (50mm): ≥ 12%
Hardness (HV): 40-50
Thermal conductivity: 230 W/(m·K)
Electrical conductivity: 59% IACS
Density: 2.71 g/cm³
3. Surface & Processing Specifications
Surface finish: Mill finish (smooth, uniform); Custom finishes (anodized, painted, polished, brushed) available upon request
Surface roughness (Ra): ≤ 0.8 μm (mill finish)
Formability: Excellent for bending, stamping, rolling, deep drawing, and spinning
Weldability: Weldable via MIG, TIG, resistance welding; Recommended filler metal: ER1100
4. Dimensional Specifications
Thickness range: 0.15 mm - 3.0 mm (common specs: 0.15-0.5 mm for electronics/foil, 0.5-2.0 mm for architectural/automotive, 2.0-3.0 mm for structural components)
Thickness tolerance: ±0.02 mm (for 0.15-1.0 mm), ±0.05 mm (for 1.0-3.0 mm)
Width range: 800 mm - 2500 mm (custom widths available to minimize slitting waste; precise slitting ensures clean, burr-free edges)
Coil weight: 300 kg - 3000 kg (custom weights for easy handling; tight winding prevents deformation during storage/transport)
Inner diameter: 508 mm or 610 mm (standard sizes for industrial processing equipment)
5. Standards & Certifications
Compliance Standards: ASTM B209 (USA), EN 485-2 (Europe), GB/T 3880 (China), FDA 21 CFR 175.300 (food contact compliant for specific applications)
Certifications: ISO 9001 (Quality Management System), ISO 14001 (Environmental Management System); Detailed Material Test Reports (MTR) available for each coil, including alloy composition, mechanical properties, and surface quality inspection results
Key Applications of 1050 H24 Aluminum Coils
The balanced performance, excellent processability, and cost-efficiency of 1050 H24 aluminum coils make them suitable for a wide range of applications across industries. Below are the most common use cases, aligned with their unique advantages:
1. Architectural & Interior Design
Interior wall claddings, ceiling panels, decorative strips, partition walls, and ceiling grids. The alloy's excellent formability allows for custom designs and shapes, while its natural corrosion resistance ensures long-term durability in indoor environments. It readily accepts anodizing or painting to match any aesthetic-from modern minimalist to industrial styles.
2. Automotive Industry
Automotive interior trim (dashboard panels, door sills, center console decorations), heat shields, fuel line covers, and underbody components. The lightweight property helps reduce vehicle weight and improve fuel efficiency, while the enhanced strength of H24 temper ensures durability in automotive environments. Its corrosion resistance also protects against road moisture and minor chemical exposure.
3. Consumer Electronics & Home Appliances
Electronic device casings (audio equipment, power tools, remote controls), TV back panels, refrigerator door liners, air conditioner grilles, and washing machine parts. The lightweight and good electrical conductivity make it ideal for electronics, while the smooth surface finish enhances product aesthetics. It's also non-toxic, meeting strict consumer safety standards for household and personal use.
4. Heat Transfer & HVAC Systems
Heat sink fins, radiator panels, HVAC ductwork, evaporator/condenser components, and solar water heater parts. The excellent thermal conductivity ensures efficient heat transfer, while the corrosion resistance and formability make it easy to fabricate into complex heat exchange shapes. Its lightweight nature also reduces the overall weight of HVAC and thermal systems, simplifying installation.
5. Packaging & Foil Products
Food packaging foil, beverage can ends, cosmetic packaging (tube containers, bottle caps), and flexible packaging materials. The high purity and non-toxicity make it safe for direct food and cosmetic contact, while its ductility allows for thin-gauge foil production. Its corrosion resistance also protects packaged goods from contamination and moisture.
6. Industrial & Manufacturing
Industrial ductwork, chemical storage tank liners (for mild chemicals), tooling components, and decorative trim on industrial equipment. The corrosion resistance makes it suitable for industrial environments, while the excellent formability simplifies the fabrication of large or custom-shaped parts. Its clean surface finish also adds a professional look to industrial machinery and components.
Processing & Fabrication Tips for 1050 H24 Aluminum Coils
1050 H24 aluminum coils are easy to process, but proper handling and fabrication techniques are key to maintaining their surface quality and performance. Below are practical tips tailored to common fabrication scenarios:
1. Coil Handling & Storage
Handle coils with soft, non-abrasive slings or rubber-coated hooks to avoid surface scratches. For thin gauges (≤0.5mm), exercise extra care to prevent deformation-while H24 temper is stronger than O temper, it's still susceptible to bending if mishandled. Keep the protective film on the surface during handling, transportation, and storage until fabrication begins.
Store coils in a clean, dry, temperature-controlled warehouse (15-25°C, relative humidity ≤ 60%) away from dust, moisture, and corrosive substances. Place coils vertically on dedicated racks to avoid warping, and never stack them to prevent surface abrasion. For long-term storage, wrap coils in moisture-resistant film to prevent oxidation.
2. Cutting & Slitting
Use precision cutting equipment with sharp carbide blades to ensure clean, burr-free edges. Dull blades will cause rough edges and may scratch the surface. For slitting, adjust the equipment to apply minimal, uniform pressure to avoid distorting the material, and use a non-abrasive backing to protect the surface during processing.
Keep cutting and slitting equipment clean and free of debris to prevent scratches. After cutting, deburr edges gently with a soft abrasive pad-taking care to avoid contact with the main surface to preserve its smoothness.
3. Forming & Bending
Follow the recommended minimum bend radius: 2x material thickness (e.g., 2mm radius for 1mm thick coil). This prevents cracking or surface damage-H24 temper is stronger than fully annealed pure aluminum, so it requires slightly more care with tight bends. Use dies with smooth, polished, or coated surfaces to avoid scratching the material during forming.
Apply uniform pressure during forming to avoid localized thinning or deformation. For complex forming processes (e.g., deep drawing), conduct a test with a small sample first to ensure the material holds its shape without tearing. If additional ductility is needed, anneal the material at 340-390°C for 1-2 hours (followed by air cooling) to temporarily soften it.
4. Welding & Joining
Use MIG or TIG welding with ER1100 filler metal to maintain material consistency and corrosion resistance. Keep welding heat low to avoid discoloring the surface or reducing ductility. Thoroughly clean the welding area before welding to remove oil, dirt, or oxide layers-this ensures better weld penetration and prevents porosity.
For mechanical joining, use aluminum or stainless steel fasteners to avoid galvanic corrosion. Pre-drill holes with sharp bits at a moderate speed to prevent tearing, and use washers under fasteners to distribute pressure and protect the surface. Adhesive bonding is also an excellent option for non-structural applications, as it avoids surface damage from fasteners.
5. Post-Fabrication Care
Clean fabricated parts with a mild detergent and a soft, lint-free cloth. Wipe in a single direction to avoid scratching the surface. Never use harsh chemicals (e.g., bleach, ammonia) or abrasive cleaners, as they will damage the material and reduce its corrosion resistance.
If applying surface finishes (anodizing, painting), pre-treat the surface with chemical etching or sandblasting to ensure good adhesion. 1050 H24 aluminum responds well to sulfuric acid anodizing, producing a uniform, durable oxide layer. For painting, use a primer specifically designed for aluminum to maximize the longevity of the finish.
Our Quality Assurance & Customization Services
We understand that consistent quality and tailored solutions are essential for your production success. That's why our 1050 H24 aluminum coils are backed by strict quality control processes and personalized services to meet your unique needs:
Strict Quality Control: Every coil undergoes multi-stage inspections, including raw material purity testing (optical emission spectrometry), mechanical property testing (tensile testing), surface quality checks (automated vision systems), and dimensional verification. We reject any coil that fails to meet our strict standards for uniformity, surface smoothness, or performance.
Full Traceability: Each coil is assigned a unique batch number, enabling full traceability from raw material to finished product. We provide detailed Material Test Reports (MTR) with every shipment, so you can verify quality and specifications with complete confidence.
Tailored Customization: We offer custom dimensional specifications (thickness: 0.15-3.0mm, width: 800-2500mm) and surface finishes (anodized, painted, polished). Our engineering team can recommend the ideal parameters based on your application's environment, performance requirements, and fabrication processes.
Technical & Logistics Support: Our team of aluminum experts provides personalized guidance on processing, forming, welding, and post-fabrication care to help you avoid issues and maximize efficiency. We offer free technical samples for testing, so you can verify performance before placing large orders. We use specialized packaging (protective film, anti-scratch liners, wooden crates) to ensure coils arrive in perfect condition, and we offer global shipping with on-time delivery guarantees.
Whether you need 1050 H24 aluminum coils for architectural cladding, automotive trim, electronics, heat transfer systems, or packaging, our products deliver the balanced performance, processability, and reliability you need. Trust our expertise in pure aluminum alloys to provide solutions that optimize your production efficiency and enhance the quality of your end products. Contact us today to discuss your specific requirements, request a sample, or get a personalized quote.
