Also known as aluminum circles or circular aluminum sheets, aluminum circle blank, they are specifically cut from large aluminum coils into precise circular shapes, ready for further processing.
Our aluminum circle blanks are produced with strict quality control, ensuring consistent thickness, diameter, and surface finish. They are a cost-effective and efficient solution for manufacturers looking for reliable and easily workable metal stock.
Specifications of Aluminum Circle Blanks
| Property | Specification Range |
|---|---|
| Alloys | 1050, 1060, 1070, 1100, 3003, 5052 |
| Temper | O, H12, H14, H18 |
| Diameter | 80 mm – 1200 mm |
| Thickness | 0.3 mm – 6.0 mm |
| Surface Finish | Mill finish, smooth, no oil spots |
| Edge Type | Deburred, no sharp edges |
| Packing | Wooden pallets or export cartons |
We can also customize size, thickness, and alloy based on customer drawings or requirements.
Aluminum Circle Blank Alloys
1050 / 1060 / 1070 / 1100
- Commercially pure aluminum
- Soft and highly formable
- Ideal for cookware like frying pans, basins, and lids
3003
- Manganese alloyed aluminum
- Better strength and corrosion resistance
- Used in kitchenware, decorative items, and signs
5052
- Magnesium alloy
- Strong and corrosion-resistant
- Suitable for pressure vessels, marine, and automotive use
Applications of Aluminum Circle Blanks
Aluminum circle blanks are used across a wide range of industries due to their lightweight and flexibility.
Common Applications:
- 🍳 Cookware manufacturing
- Pots, pans, pressure cookers, kettles, rice cookers
- 💡 Lighting industry
- Lamp reflectors, lighting covers, round bases
- 🚦 Traffic and road signs
- Street signs, direction boards, warning symbols
- 🏭 Industrial parts
- Gaskets, flanges, machine covers
- 🛢️ Hardware and stamping products
- Electrical enclosures, lids, nameplates
- 🧼 Household items
- Trays, basins, kitchen containers
Thanks to its excellent deep drawing properties, aluminum circle is preferred by manufacturers using automatic presses.
Classification of Aluminum Circle Blanks
Aluminum circle blanks can be classified based on several key characteristics, primarily their manufacturing process, temper, and intended application. Understanding these classifications helps in selecting the right material for your specific project.
Based on Manufacturing Process:
- Hot Rolled Aluminum Circles: These aluminum circle blanks are made from hot-rolled aluminum sheets, offering excellent formability and a more uniform grain structure.
- Cold Rolled Aluminum Circles: Produced from cold-rolled sheets, these aluminum discs typically have a smoother surface finish and higher strength, making them ideal for specific deep drawing applications.
Based on Temper:
The temper of aluminum circle blanks refers to the specific mechanical properties achieved through heat treatment or strain hardening.
- Soft Temper (e.g., O, H12, H14): These aluminum circles are highly ductile and easily formable, perfect for deep drawing and spinning processes where intricate shapes are required.
- Hard Temper (e.g., H18, H24): Offering higher strength and rigidity, hard temper aluminum circle blanks are suitable for applications requiring structural integrity and resistance to deformation.
Aluminum Circle Blanks Alloy Guide
The choice of alloy is crucial for aluminum circle blanks, as it determines the material’s specific properties such as strength, corrosion resistance, workability, and surface finish. Different aluminum alloys are designed for various performance requirements.
Common Alloys for Aluminum Circle Blanks:
- 1000 Series (e.g., 1050, 1060, 1070): These are commercially pure aluminum alloys. They offer excellent corrosion resistance, high reflectivity, good thermal and electrical conductivity, and are very easy to form. They are widely used for general purposes, particularly in lighting and chemical industries.
- 3000 Series (e.g., 3003, 3004): Known for their good formability and moderate strength, the 3000 series alloys exhibit superior corrosion resistance, especially against moisture and certain chemicals. Aluminum circle blanks made from these alloys are popular for cookware and pressure vessels.
- 5000 Series (e.g., 5052, 5A06): These alloys are stronger than the 1000 and 3000 series and boast excellent resistance to marine environments and chemicals. Aluminum circles from this series are often used in marine applications, vehicle fuel tanks, and other demanding environments where higher strength and corrosion resistance are paramount.
Each alloy brings a unique set of benefits, allowing manufacturers to precisely match the aluminum circle blanks to their product’s design and functional requirements.
The Manufacturing Process of Aluminum Circle Blanks
The production of high-quality aluminum circle blanks involves several precise steps, ensuring consistency and superior material characteristics. The process begins with large aluminum coils and transforms them into perfectly cut circular discs.
- Coil Preparation:
- Flattening and Cleaning:
- Punching or Cutting:
- Deburring and Edge Finishing:
- Surface Treatment (Optional):
- Inspection and Packaging:
This meticulous process ensures that every aluminum circle blank meets the highest industry standards.
Key Features and Benefits of Aluminum Circle Blank
Aluminum circle blanks offer a compelling combination of features that make them an ideal material for numerous applications. Their inherent properties provide significant advantages over other metals.
- Lightweight:
- Excellent Formability:
- Corrosion Resistance:
- High Thermal Conductivity:
- Good Electrical Conductivity:
- Recyclability:
- Aesthetic Appeal:
These benefits underscore why aluminum circle blanks are a preferred material in diverse sectors globally.
Application Areas for Aluminum Circle Blanks
The versatility of aluminum circle blanks allows them to be utilized in a vast array of industries and products. Their unique properties make them indispensable for manufacturing components that require specific characteristics such as light weight, durability, and formability.
Here are some primary application areas for aluminum circle blanks:
- Cookware:
- Frying pans, saucepans, pressure cookers
- Baking trays, pizza pans
- Kettles and other kitchen utensils
- Lighting Industry:
- Lamp shades and reflectors
- LED lighting components
- Street light housings
- Traffic Signs and Road Signs:
- Blank bases for reflective traffic signs
- Directional signs, warning signs
- Building and Construction:
- Ceiling panels, roofing components
- Decorative architectural elements
- Ventilation system parts
- Automotive Industry:
- Oil filter housings
- Fuel tank caps
- Wheel covers and other stamped parts
- Appliances:
- Components for washing machines and refrigerators
- Water heater tanks
- Electronic Components:
- Capacitor shells
- Heat sinks for electronic devices
- General Manufacturing:
- Cans and containers
- Telecommunication parts
- Art and craft projects
- Stamping and deep drawing parts
This extensive list demonstrates the broad utility and adaptability of aluminum circle blanks in modern manufacturing.
Why Choose Our Aluminum Circle Blanks?
When it comes to sourcing high-quality aluminum circle blanks, choosing a reliable supplier is paramount. We pride ourselves on providing premium aluminum discs that meet the stringent demands of various industries.
- Superior Quality:
- Wide Range of Specifications: We offer a comprehensive selection of aluminum circles in various alloys (1000, 3000, 5000 series), tempers (O, H12, H14, H18, H24, etc.), and dimensions to perfectly match your project requirements.
- Competitive Pricing:
- Customization Options:
- Reliable Supply Chain:
- Expert Support:
Partner with us for your aluminum circle blank needs and experience the difference that quality and dedication can make.
Packaging & Shipping
To ensure safety during transportation, all aluminum circle blanks are:
- ✅ Packed with protective paper between layers
- ✅ Bundled with plastic film and steel straps
- ✅ Placed on strong wooden pallets or crates
- ✅ Labeled with size, alloy, batch number, and weight
- ✅ Delivered within 10–20 working days
Small quantity trial orders are welcome, and free samples can be provided for testing.
Frequently Asked Questions (FAQ)
❓ What is the most popular alloy for cookware?
The 1050 and 1060 aluminum circle blanks are most used in cookware due to their high purity, soft texture, and excellent spinning performance.
❓ Can you customize the circle diameter?
Yes, we offer custom-cut aluminum discs based on your size, drawing, or application needs.
❓ Do you offer surface treatment or polishing?
We supply mill finish aluminum circle blanks. For mirror finish or anodizing, we can recommend partner services.
❓ What is the tolerance on thickness and diameter?
We ensure tight tolerance control:
- Diameter: ±0.2 mm
- Thickness: ±5% or based on agreement
❓ Can aluminum circle blanks be used in stamping and deep drawing?
Yes, all our discs are designed to support deep drawing, spinning, and pressing without cracks or wrinkles.
How to Order Aluminum Circle Blanks
- 📐 Provide diameter, thickness, and alloy
- 🛠️ Choose the temper (O, H14, etc.)
- 📦 Confirm packaging type and quantity
- 📧 Request a quotation and lead time
- ✅ Approve sample if needed, and confirm order
Contact Us for Aluminum Circle Blank
We are a reliable supplier of high-quality aluminum circle blanks for cookware, lighting, signs, and more. Whether you need large-scale production or custom circles for your factory, we are here to support your business.
📧 Email: jane@wwaluminum.com
📱 WhatsApp: +86 15736973771
🏭 Worthwill Aluminum – Your Trusted Aluminum Circle Supplier
