0.5mm aluminium circle 1070 1060
A 0.5mm aluminium circle in AA1070 or AA1060 is a lightweight, highly formable, corrosion-resistant disc material widely used for deep drawing, spinning, stamping, and heat-transfer components. With aluminum purity around the "commercially pure" range, these alloys are chosen when conductivity, surface quality, and consistent forming matter more than high strength.
For manufacturers of cookware, lighting reflectors, appliance parts, signage, and insulated products, 0.5mm thickness brings a valuable balance: it is thin enough for fast heat response and easy forming, yet robust enough to hold shape after shaping and assembly.
Why AA1070 and AA1060 for aluminium circles
AA1070 and AA1060 are both high-purity aluminum alloys, best known for:
- Excellent cold formability for spinning and deep drawing
- High thermal and electrical conductivity for heat-spreading and conductive parts
- Strong corrosion resistance in indoor and many outdoor environments
- Bright, clean surface suitable for anodizing, coating, polishing, or lamination
- Stable quality for mass production, especially when circles are made from well-controlled coil stock
AA1070 typically offers slightly higher purity than AA1060, which can translate to marginally better conductivity and reflectivity. AA1060 often provides a practical cost-performance option with similarly strong forming behavior.
features of 0.5mm aluminium circle (1070 / 1060)
Thin-gauge forming performance
At 0.5mm, aluminum circles respond quickly to tool pressure and are highly suitable for spinning, shallow drawing, stamping, and profiling. When paired with the right temper (commonly O for maximum ductility), the material supports smooth flow with reduced risk of tearing.
Surface quality for decorative and functional finishes
High-purity aluminum is favored where surface appearance or reflectivity matters. Circles can be supplied with controlled surface condition for downstream processes such as:
- Anodizing (decorative or protective)
- Painting / powder coating
- Polishing / brushing
- Laminating and insulation bonding
Corrosion resistance with low maintenance
AA1070/1060 form a stable oxide layer naturally. For many products-especially indoor cookware parts, appliance panels, reflective components, and general industrial discs-this means long service life with minimal protection. For harsh chemical exposure, additional finishing is recommended.
Low density, easy handling
Aluminum's density allows low part weight and easier transport. In thin gauges, this also improves productivity in high-speed press operations.
Chemical composition (typical / maximum limits)
Chemical composition values depend on the applicable standard (ASTM, EN, GB, JIS) and supplier control ranges. The table below summarizes commonly referenced maximum limits for commercial purity aluminum.
| Element | AA1060 (max, %) | AA1070 (max, %) | Notes |
|---|---|---|---|
| Al (min) | 99.60 | 99.70 | Balance is Al |
| Si | 0.25 | 0.20 | Impacts surface and formability |
| Fe | 0.35 | 0.25 | Affects ductility and anodizing tone |
| Cu | 0.05 | 0.04 | Keep low for corrosion resistance |
| Mn | 0.03 | 0.03 | Trace control |
| Mg | 0.03 | 0.03 | Trace control |
| Zn | 0.05 | 0.04 | Trace control |
| Ti | 0.03 | 0.03 | Grain refinement control |
| Others (each) | 0.03 | 0.03 | Per standard |
| Others (total) | 0.05 | 0.05 | Per standard |
Technical specifications for 0.5mm aluminium circle
A well-supplied aluminium circle is defined not only by alloy and thickness, but also by diameter tolerance, flatness, edge condition, and surface cleanliness-all critical for stable forming.
| Item | Typical supply range / option | Customer value |
|---|---|---|
| Alloy | AA1060, AA1070 | High purity, excellent forming |
| Thickness | 0.50 mm (custom tolerances available) | Stable press/spin results |
| Temper | O (annealed), H12/H14 (as required) | Ductility vs. stiffness tuning |
| Diameter | Custom-cut circles (common: small to mid diameters) | Fits tooling and product size |
| Edge | Deburred, smooth edge | Reduces cracking and tool wear |
| Surface | Mill finish, bright finish, protective film optional | Better appearance, fewer defects |
| Packaging | Paper interleaf, film, palletized export packing | Protects surface during logistics |
Typical mechanical and physical properties
Values vary by temper and production route. For 0.5mm circles intended for drawing/spinning, O temper is frequently selected.
| Property | AA1060 (typical) | AA1070 (typical) | Notes |
|---|---|---|---|
| Density | 2.70 g/cm³ | 2.70 g/cm³ | Lightweight metal |
| Thermal conductivity | ~220–235 W/m·K | ~230–245 W/m·K | Purity helps conductivity |
| Electrical conductivity | ~60% IACS | ~61–62% IACS | Approximate, temper-dependent |
| Tensile strength (O) | ~60–90 MPa | ~60–90 MPa | For deep drawing/spinning |
| Elongation (O) | typically high | typically high | Supports forming without tearing |
Manufacturing advantages customers can feel on the line
Consistent drawing and spinning behavior
Customers using automatic spinning machines and progressive dies benefit from circles that are:
- Uniform in thickness across the disc
- Controlled in grain structure (good for smooth metal flow)
- Clean and defect-minimized (reduces scrap)
For thin gauges like 0.5mm, these quality controls directly reduce wrinkling, earing tendency, and edge splitting.
Clean edge for thin-gauge safety and performance
Thin circles can be sensitive to burrs. A properly processed edge helps:
- Prevent micro-cracks during forming
- Improve operator safety
- Reduce die maintenance
Reliable surface for coatings and anodizing
High-purity alloys provide a strong base for consistent finishing. For reflective or decorative parts, stable Fe/Si control can improve the uniformity of final appearance, especially after anodizing or polishing.
Applications of 0.5mm aluminium circle 1070 1060
Cookware and kitchen components
0.5mm circles are commonly used in lightweight cookware layers, lids, inner liners, and formed kitchen accessories where fast heat response and corrosion resistance are important. In multi-layer cookware systems, high-purity aluminum can also act as a conductive layer.
Lighting reflectors and decorative reflectivity parts
AA1070 is particularly appreciated for reflector blanks thanks to high purity and good surface potential. After polishing, brightening, or anodizing, it supports lighting products such as:
- Lamp reflectors and shade elements
- Architectural lighting components
- Decorative reflective panels formed from discs
Appliance and consumer product parts
Thin-gauge circles fit components that need forming and a clean look:
- Small appliance shells and covers
- Decorative caps and trim rings
- Nameplate backings and circular panels
Heat transfer and insulation-related discs
Where thermal spreading matters, 0.5mm aluminum discs can be used in:
- Heat shields and reflective insulation layers
- Spreader plates for compact assemblies
- Protective foils and formed barriers (when paired with coatings/lamination)
Signage, crafts, and general fabrication
For branding, stamping, and artistic metalwork, these circles provide a friendly substrate for:
- Embossing and stamping
- Painting and printing
- Engraving and finishing
Selection guide: AA1060 vs AA1070 at 0.5mm
| Consideration | Choose AA1060 | Choose AA1070 |
|---|---|---|
| Cost-performance | Strong value and wide availability | Typically higher cost |
| Conductivity / reflectivity | Very good | Slightly better |
| Surface-critical reflector use | Suitable | Often preferred |
| General forming applications | Excellent | Excellent |
Ordering notes that prevent surprises
| Parameter to confirm | Recommended detail to specify |
|---|---|
| Diameter and tolerance | Target OD, allowable deviation, roundness needs |
| Temper | O for maximum formability; H tempers for higher stiffness |
| Surface requirement | Mill/bright, allowable scratches, film requirement |
| Edge requirement | Deburred edge, burr direction control if needed |
| Application process | Spinning, deep drawing, stamping, anodizing, coating |
0.5mm aluminium circle 1070 1060 is a fast-forming, clean-surface material built for high-volume manufacturing and attractive finished parts. With excellent ductility, corrosion resistance, and conductivity, it supports products ranging from cookware and lighting reflectors to appliance components and heat-transfer parts. Choosing between AA1060 and AA1070 mainly comes down to the balance between cost and the need for maximum purity-driven performance such as reflectivity and conductivity.
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