Aluminum Circle Plate

Aluminum circle plate is a flat, round aluminum product cut from high-quality aluminum sheet or coil. It is widely used in cookware, lighting parts, pressure cookers, road signs, electrical appliances, automotive parts and industrial components. Haomei Aluminum supplies aluminum circle plate in various alloys, tempers, thicknesses and diameters to meet different forming, spinning, deep drawing and stamping requirements.

As a professional aluminum circle plate manufacturer and supplier, we provide 1050, 1060, 1070, 1100, 3003 and 5052 aluminum circle plates with smooth surface, accurate dimension, good elongation and excellent corrosion resistance.

• Deep Drawing Quality
• Low Earing Rate
• Custom Diameter
• Export to 100+ Countries

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What Is Aluminum Circle Plate?

Aluminum circle plate is a round aluminum sheet widely used in cookware manufacturing, lighting, traffic signs, deep drawing components and industrial spinning applications. It is also known as aluminum disc blank or aluminum round sheet.

Aluminum circle plates are produced from high-quality aluminum coils through precision cutting and annealing processes. Common alloys include 1050, 1060, 1100 and 3003 aluminum. Due to excellent corrosion resistance, thermal conductivity, elongation and surface quality, aluminum circles are ideal for pots, pans, kitchen utensils, lamp covers and anodized products.

Aluminum Circle Plate Specifications

Aluminum circles are usually cut from aluminum coils or aluminum sheets. Depending on different applications, they are available in various sizes and temper grades.

Available Aluminum Circle Plate Alloys

Selecting the appropriate aluminum alloy “grade” is critical to the manufacturing process:

• 1050 / 1060 / 1100 / 1070: These are “pure” aluminum alloys. They are very soft with excellent ductility, making them ideal for complex spinning or deep drawing processes and less prone to cracking.
• 3003: The addition of manganese gives this alloy higher strength than the 1000 series aluminum alloys. It is the “workhorse” of the cookware industry because it combines strength with good formability.
• 5052: Contains magnesium, offering high strength and excellent marine-grade corrosion resistance. It is commonly used for structural components or road signs.

O temper: Most suitable for deep drawing (cookware, lighting fixtures, automotive parts).

H12/H14/H32/H34: Semi-hard tempers, suitable for moderate forming with higher strength requirements.

Surface treatments help prevent scratching, oxidation, or provide a decorative appearance.

Aluminum Circle Plate Applications

Aluminum circle plates are widely used across multiple industries:

• Cookware and kitchenware: Pots, frying pans, lids, baking trays. High-formability alloys such as 1070 in O temper are ideal choices.
• Lighting: Due to aluminum’s high reflectivity, it is commonly used to manufacture reflectors, lamp shades, and LED housings.
• Signage: Round traffic signs, nameplates, and street signs (typically 1000 or 3000 series).
• Electronics and electrical: Heat sinks, enclosures, capacitors. High-thermal-conductivity alloys such as the 1100 series are preferred.
• Packaging industry: Food containers, aerosol cans, beverage cans (aluminum can ends).
• Industrial and machinery: Circular plates used for tanks, drums, chimneys, and chemical processing equipment.
• Decoration and construction: Ceiling panels, architectural components (anodized or brushed surface finishes).
• Automotive: Wheel rims, fuel tank components, and heat shields.

Cookware Aluminum Circle Plate

In the cookware industry, aluminum is highly favored for its fast and even heat conduction. These circles are typically processed into pots, frying pans, and pressure cookers through deep drawing or spinning.

Lighting Aluminum Circle Plate

Aluminum circles are standard materials for manufacturing lamp reflectors and shades. They can be polished to a mirror finish, making them ideal for controlling light direction.

Aluminum Circle Plate for Road Sign

Traffic signs and road signs require durability and the ability to remain rust-free in harsh outdoor environments.

Spinning Aluminum Circle Plate

“Spinning” refers to a metal forming process in which a disc is rotated at high speed on a lathe and shaped over a mandrel using roller tools.

Aluminum Circle Plate Advantages

• Lightweight yet strong
• Excellent corrosion resistance (especially 5052, 1060, and 1100 alloys)
• High thermal and electrical conductivity
• Easy to form and suitable for deep drawing
• Customizable diameter, thickness, temper, and surface treatment
• Environmentally friendly and recyclable

Why Choose Haomei Aluminum Circle Plate

Aluminum Circle Plate Production Process

The production process of aluminum circle plate is strictly controlled to ensure stable mechanical properties, accurate dimensions and excellent surface quality for cookware, lighting, spinning and industrial applications.

1. Aluminum coil or sheet inspection
2. Flattening and leveling
3. Circle blanking or cutting
4. Edge trimming
5. Surface inspection
6. Annealing if required
7. Final quality inspection
8. Packaging and delivery

Each batch can be inspected for chemical composition, mechanical properties, thickness tolerance, diameter tolerance and surface quality according to customer requirements and international standards.

Haomei Aluminum Circle Plate Packaging & Delivery Standards

How to Choose an Aluminum Circle Plate

Choosing the right aluminum circle plate (also known as aluminum discs or blanks) mainly depends on your manufacturing process—such as spinning, deep drawing, or stamping—and the final application of the product.

Select the Right Aluminum Alloy

The alloy determines the strength, corrosion resistance, and thermal conductivity of the circle.

Choose the Proper Manufacturing Process (CC vs. DC)

CC Aluminum Circle Plate: Best for spinning. It is generally more cost-effective but may have slightly less consistent grain structure for complex deep-drawing.

DC Aluminum Circle Plate: Best for deep-drawing and stamping. It has a more uniform grain size, which prevents "orange peel" textures or cracking when the metal is stretched deeply into shapes like high-walled pots.

Determine Dimensions and Temper

Thickness: Usually ranges from 0.3 mm to 10 mm. Cookware typically requires a thickness of 1.0 mm to 5.0 mm to ensure durability and good thermal conductivity.

Diameter: Standard size range is 100 mm to 1200 mm. Choose a diameter slightly larger than the “developed” surface area of the final product to allow for trimming.

Temper (hardness): O (annealed): The softest condition, ideal for deep drawing and complex spinning.

H12/H14: Partially hardened; suitable for flat signage or shallow forming that requires higher rigidity.

Frequently Asked Questions about Aluminum Circle Plate

What materials of aluminum circles do you offer?

How to choose the appropriate thickness and temper for Aluminum Circle Plate?

It is recommended to select based on application + processing method:

• Deep-drawn parts (such as cookware, containers): Choose 1060 / 3003 in O temper for best ductility
• Structural / load-bearing parts: Choose 3003 H18 / 5052 H32 for higher strength
• Heat dissipation / conductive parts: Choose 1060 H14 to balance conductivity and strength

Haomei Aluminum provides free material selection consultation and can recommend the optimal solution based on your specific products and processes.

How do you ensure the quality of aluminum circles? Do you provide quality inspection reports?

Haomei Aluminum has established a full-process quality control system with 7 inspection checkpoints from raw materials to finished products:

• Raw material inspection: Chemical composition and mechanical property testing for each batch of aluminum coils
• Process control: Laser thickness measurement, online flatness monitoring, and real-time parameter adjustment
• Finished product inspection: Full inspection of dimensional accuracy, surface quality, edge burrs, and forming performance
• Quality commitment: Factory inspection reports provided; support for third-party authoritative testing (such as SGS); all products comply with RoHS / REACH environmental standards.

What surface treatments and packaging options do you offer?

Surface treatments: Film coating, polishing, anodizing, spraying, passivation, etc., to meet different requirements

Packaging options:

• Standard export packaging: Moisture-proof paper + bubble wrap + rigid cardboard + wooden pallets, suitable for sea / air shipment
• Customized packaging: Designed according to customer requirements, such as individual carton packaging, special markings, etc.
• Protective measures: Foam separators placed between circles to prevent collision and scratching during transportation

Stock of Aluminum Circle Plate