- +91 9820525505, +91 9819046580
Home > Aluminium > Aluminium Products > Aluminium Circles and Discs
Aluminium circles and discs are flat, round blanks cut or punched from aluminium sheets, coils or plates. They are supplied in specified diameters, thicknesses, alloys and tempers for deep drawing, spinning, pressing, machining and fabrication.
These circular blanks are commonly used for cookware, pressure cookers, utensils, lighting reflectors, electrical components, signs, tanks, automotive parts, machine components and industrial covers. Their low weight, corrosion resistance, formability and thermal conductivity make them suitable for both high-volume production and customised engineering requirements.
Solitaire Steel & Engineering LLP, based in Khetwadi, Mumbai, India, supplies and exports aluminium circles, discs, round blanks and rings in different aluminium grades, tempers, thicknesses, diameters and surface finishes. Cut-to-size and drawing-based requirements can be reviewed according to the required alloy, quantity and application.
+91 9819046580
info@solitairesteelllp.com
| Specification | Available Requirement |
| Product | Aluminium circles, discs, round blanks and rings |
| Material | Commercially pure aluminium and aluminium alloys |
| Common Grades | 1050, 1100, 1200, 3003, 5052, 5083, 6061, 6063, 6082 and 7075 |
| Common Tempers | O, H12, H14, H16, H18, H22, H24, H32, H34, T4, T6 and T651 |
| Thickness | Standard and customised thicknesses |
| Diameter | Standard and customised diameters |
| Base-Material Standards | ASTM B209/B209M, EN 485, EN 573 or applicable customer specification |
| Manufacturing Method | Press blanking, CNC cutting, laser cutting, waterjet cutting or machining |
| Surface Finish | Mill finish, bright, polished, brushed, anodising quality or as required |
| Edge Condition | Cut edge, smooth edge, deburred edge or machined edge |
| Supply Condition | Plain, levelled, degreased, protected or ready for further processing |
| Documentation | Material test certificate and inspection documents as applicable |
Final availability depends on the selected grade, temper, thickness, diameter, finish, quantity and manufacturing process.
The terms aluminium circle, aluminium disc, round blank and aluminium wafer are often used interchangeably in the market. They generally describe a flat circular piece produced from aluminium sheet, coil or plate.
Instead of relying only on the product name, buyers should specify:
This information is more important than whether the requirement is called a circle or disc.
| Temper | General Condition | Common Selection Purpose |
| O | Fully annealed and soft | Deep drawing, spinning and complex forming |
| H12 | Quarter-hard | Light forming with slightly higher strength |
| H14 | Half-hard | Covers, lids, signs and general fabrication |
| H16 | Three-quarter-hard | Components requiring higher rigidity |
| H18 | Full-hard | Flat components requiring higher hardness |
| H22/H24 | Strain-hardened and partially annealed | Formed components requiring controlled strength |
| H32/H34 | Strain-hardened and stabilised | 5xxx-series alloy discs and fabricated components |
| T4 | Solution heat-treated and naturally aged | Forming followed by further processing |
| T6 | Solution heat-treated and artificially aged | Structural and machined discs |
| T651 | Heat-treated and stress-relieved | Precision-machined plate discs |
Available tempers depend on the selected aluminium grade and product thickness.
| Surface Finish | Common Requirement |
| Mill Finish | General fabrication and further processing |
| Bright Finish | Reflectors, lighting and decorative components |
| Polished Finish | Visible products and decorative applications |
| Brushed Finish | Appliance and architectural components |
| Degreased Surface | Cookware, coating and forming operations |
| Anodising Quality | Components requiring decorative or protective anodising |
| Protective Film | Protection during fabrication and handling |
| Custom Coating | As per approved technical requirement |
The required surface condition should be stated in the purchase enquiry, especially when the circles will be polished, anodised, coated or used as visible components.
| Product Type | Description | Common Grades | Typical Applications |
| Aluminium Circles | Round blanks cut or punched from sheet or coil | 1050, 1100, 3003 | Cookware, utensils, reflectors and covers |
| Aluminium Discs | Flat round components produced from sheet or plate | 1050, 1100, 5052, 6061, 6082 | Machine parts, covers, flanges and fabricated components |
| Deep-Drawing Circles | Soft-temper blanks with controlled forming properties | 1050 O, 1100 O, 3003 O | Pots, pans, pressure cookers and vessels |
| Spinning-Quality Circles | Blanks suitable for metal-spinning operations | 1050 O, 1100 O, 3003 O | Lampshades, utensils, cones and housings |
| Cookware Circles | Round blanks intended for cookware production | 1050, 1100, 3003 | Frying pans, stock pots, lids and pressure cookers |
| Lighting Circles | Circles with suitable reflectivity and surface finish | 1050, 1100 | Reflectors, lamp housings and lighting fixtures |
| Thick Aluminium Discs | Round blanks cut from aluminium plate | 5052, 5083, 6061, 6082, 7075 | Machined components, bases, fixtures and tooling |
| Precision-Machined Discs | Discs machined to controlled OD, thickness and flatness | 6061 T6, 6082 T6/T651, 7075 T6/T651 | Machinery, automation and precision engineering |
| Aluminium Rings | Circular blanks with a centre opening | Grade as required | Flanges, spacers, supports and equipment components |
| Discs with Centre Hole | Circles supplied with a specified bore | Grade as required | Rotating parts, covers and fabricated assemblies |
| Custom-Shaped Blanks | Round or near-round profiles produced to drawing | Grade as required | OEM and specialised industrial components |
1050 aluminium contains a minimum of approximately 99.5% aluminium. It offers excellent formability, corrosion resistance and thermal conductivity. The soft O temper is commonly considered for deep drawing, spinning and cookware production.
1100 aluminium is commercially pure aluminium with excellent workability, weldability and conductivity. It is used for utensils, cookware, reflectors, electrical components and fabricated containers.
3003 aluminium provides higher strength than 1050 and 1100 while retaining good forming characteristics. It is commonly selected for cookware, containers, tanks, covers and general formed components.
5052 aluminium provides good corrosion resistance and higher strength. It is suitable for marine-related parts, covers, enclosures, tanks and fabricated components.
5083 aluminium is generally selected for higher-strength marine and heavy engineering components. It is more commonly supplied as thicker plate-cut or machined discs than as deep-drawing cookware circles.
6061 and 6082 are heat-treatable structural alloys used for machined discs, fixtures, base plates, spacers and engineering components requiring higher strength.
7075 aluminium is used for specialised high-strength machined components. It is not normally selected for deep-drawing applications.
| Manufacturing Method | Suitable Requirement |
| Press Blanking | Repetitive quantities with consistent diameter |
| Coil-Fed Blanking | High-volume production of thinner circles |
| CNC Cutting | Custom diameters and smaller production quantities |
| Laser Cutting | Accurate profiles and circles with additional cut-outs |
| Waterjet Cutting | Thick discs or heat-sensitive requirements |
| Saw Cutting | Thick plate discs requiring subsequent machining |
| Machining | Tight OD, thickness, bore, flatness and surface-finish tolerances |
The most suitable process depends on thickness, diameter, tolerance, order quantity, edge requirement and final application.
Buyers should define the required acceptance criteria for:
For deep-drawing applications, a sample-forming trial may be advisable before approving a large production quantity.
The correct selection depends on what will happen to the blank after delivery.
| Buyer Requirement | Recommended Selection Consideration |
| Deep drawing | Soft O temper with verified drawing quality |
| Metal spinning | High-ductility alloy such as 1050 O or 1100 O |
| Cookware body | Formability, thermal conductivity and required compliance |
| Lid or cover | Controlled hardness, flatness and surface finish |
| Reflector | Bright finish, reflectivity and anodising suitability |
| Sign blank | Flatness, coating quality and outdoor corrosion resistance |
| Machined component | Higher-strength plate grade with machining allowance |
| Structural part | Strength, temper and approved engineering specification |
| Decorative product | Surface quality, polishability and anodising response |
| High-volume production | Consistent alloy, temper, diameter and blanking quality |
Cookware buyers should not order aluminium circles only by diameter and thickness. The enquiry should also confirm:
Food-contact suitability depends on the complete finished product, including alloy specification, manufacturing process, surface treatment and applicable regulatory requirements. It should not be claimed from the aluminium grade alone.
For an accurate quotation, please provide:
❝
Looking for durable and high-quality aluminium circles, discs, round blanks, rings or customised circular components Contact Solitaire Steel & Engineering LLP today for a custom quote and timely delivery
❞