1070 aluminum circle is one of the most widely used aluminum disc products in the world. It belongs to the 1000-series pure aluminum family, with an aluminum content of at least 99.7%. Because of its excellent ductility, high electrical conductivity, and outstanding corrosion resistance, the 1070 aluminum circle is the first choice for cookware, lighting reflectors, road signs, and chemical containers. At WWAlucircle, we manufacture and export aluminum circles and aluminum 1070A discs to over 40 countries, backed by strict quality control and competitive factory pricing.
What Is 1070 Aluminum Circle?
An aluminum circle (also called an aluminum disc or aluminum blank) is a round, flat piece of aluminum sheet cut or stamped from a rolled coil. The 1070 aluminum grade – sometimes labeled aluminum 1070A – is a commercially pure alloy with a minimum aluminum purity of 99.7 %. This high purity gives it exceptional forming characteristics, making it easy to spin, draw, or press into finished products with no cracking.
Compared with 1050 and 1060 alloys, 1070 aluminum offers slightly higher purity and marginally better electrical conductivity, which is why it is preferred for certain electrical and chemical applications. If you are sourcing aluminum circles for deep-drawing cookware or bright-anodized reflectors, the 1070 grade is an excellent option.Chemical Composition of 1070 Aluminum (1070A)
The table below shows the standard chemical composition of aluminum 1070A according to EN 573-3 and AA specifications.
| Element | Al (Aluminum) | Si (Silicon) | Fe (Iron) | Cu (Copper) | Mn (Manganese) | Mg (Magnesium) | Zn (Zinc) | Ti (Titanium) | Others (each) |
|---|---|---|---|---|---|---|---|---|---|
| Content (%) | ≥ 99.70 | ≤ 0.20 | ≤ 0.25 | ≤ 0.04 | ≤ 0.03 | ≤ 0.03 | ≤ 0.07 | ≤ 0.03 | ≤ 0.03 |
This high aluminum purity is the foundation of the alloy’s superior conductivity, corrosion resistance, and workability.
Mechanical & Physical Properties
Understanding the mechanical properties of 1070 aluminum helps engineers and buyers select the right temper for their application. The data below applies to standard 1070 aluminum circle products.
| Property | O (Annealed) | H12 | H14 | H16 | H18 |
|---|---|---|---|---|---|
| Tensile Strength (MPa) | 55 – 95 | 75 – 110 | 85 – 120 | 100 – 135 | ≥ 115 |
| Yield Strength (MPa) | ≤ 35 | ≥ 55 | ≥ 75 | ≥ 90 | ≥ 100 |
| Elongation (%) | ≥ 22 | ≥ 8 | ≥ 5 | ≥ 4 | ≥ 3 |
| Hardness (HB) | ~15 | ~20 | ~24 | ~27 | ~30 |
| Physical Property | Value |
|---|---|
| Density | 2.70 g/cm³ |
| Melting Point | 646 – 657 °C |
| Thermal Conductivity | 226 W/(m·K) |
| Electrical Conductivity | ≈ 59% IACS |
| Elastic Modulus | 69 GPa |
| Coefficient of Thermal Expansion | 23.6 × 10⁻⁶/K |
Specifications & Size Range of 1070 Aluminum Circle
We offers 1070 aluminum circles in a broad range of dimensions. Custom sizes are available upon request. The table below covers our standard product specifications.
| Parameter | Standard Range | Custom Range |
|---|---|---|
| Alloy | 1070 / 1070A | – |
| Temper | O, H12, H14 | H16, H18, H24 |
| Thickness (mm) | 0.5 – 6.0 | 0.3 – 10.0 |
| Diameter (mm) | 100 – 1200 | 50 – 1600 |
| Surface Finish | Mill Finish | Bright / Anodized / Coated |
| Edge Condition | Smooth (no burr) | Customized |
| Flatness Tolerance | ≤ 1 mm/m | As agreed |
| Thickness Tolerance | ±0.02 mm | ±0.01 mm |
| Diameter Tolerance | ±0.5 mm | ±0.2 mm |
In addition to aluminum circles, we also supply 1070 aluminum plate and strip for customers who require flat sheet material before blanking. Contact us for a combined quote.
Key Features & Advantages of 1070 Aluminum Circle
Why do buyers worldwide choose 1070 aluminum circles over other alloys? Here are the main advantages:
- Excellent deep-drawing performance: The O temper offers high elongation (≥ 22%), allowing the disc to be spun or drawn into complex shapes – such as pots, pans, and pressure cookers – without tearing.
- High purity corrosion resistance: With ≥ 99.7% Al content, aluminum 1070A naturally forms a dense oxide layer that resists moisture, acids, and many chemicals.
- Superior reflectivity: A bright-finish 1070 aluminum circle can achieve a reflectivity above 80%, making it ideal for lighting reflectors and solar concentrators.
- Good electrical & thermal conductivity: At ~59% IACS, it outperforms most 3000- and 5000-series alloys in electrical applications.
- Easy anodizing: The high purity base gives an even, attractive anodized surface with consistent color.
- Lightweight: At 2.70 g/cm³, aluminum is roughly one-third the weight of steel, reducing shipping cost and product weight.
- Food-safe & non-toxic: Compliant with FDA and EU food-contact regulations, suitable for cookware and food packaging.
Applications of 1070 Aluminum Circles
The 1070 aluminum circle is a versatile product used across a wide range of industries. Because of its excellent formability and surface quality, it is one of the most ordered aluminum circles in global trade.
Cookware & Kitchen Utensils
The most common use of 1070 aluminum circles is in cookware manufacturing. Pots, pans, pressure cookers, woks, and baking trays are all produced by deep drawing or spinning aluminum discs. The O-temper 1070 aluminum circle has the soft, ductile properties required for multi-pass drawing operations.
Lighting Reflectors
Bright-finish aluminum 1070A circles are cut and formed into parabolic reflectors for street lights, stadium lights, and industrial luminaires. The high reflectivity of pure aluminum, combined with easy forming, makes 1070 the preferred alloy.
Road Signs & Traffic Devices
Aluminum circles are widely used as blanks for round road signs, warning discs, and reflective traffic plates. The 1070 alloy’s corrosion resistance ensures a long service life outdoors.
Chemical & Pharmaceutical Containers
Thanks to its high purity and resistance to a wide range of chemicals, 1070 aluminum is used to make containers, caps, and closures in the chemical and pharmaceutical industries.
Electrical Components
Due to its high electrical conductivity, aluminum 1070A is used in transformer windings, electrical cable components, and capacitor housings.
Solar Energy
In the solar industry, 1070 aluminum circles serve as reflective panels in concentrated solar power (CSP) systems and as substrates for solar cells.
| Industry | Typical Products | Recommended Temper |
|---|---|---|
| Cookware | Pots, pans, pressure cookers | O |
| Lighting | Reflectors, lampshades | O, H12 |
| Traffic | Road signs, warning discs | H14, H16 |
| Chemical | Containers, caps | O, H14 |
| Electrical | Transformer foil, capacitors | O, H18 |
| Solar Energy | Reflective panels, substrates | H12, H14 |
| Packaging | Bottle caps, aerosol lids | H14, H16 |
1070 Aluminum Circle Price – What Affects the Cost?
The price of a 1070 aluminum circle depends on several key factors. Understanding these helps buyers plan their budget and negotiate effectively.
- LME aluminum price: Raw material cost tracks the London Metal Exchange (LME) spot price for primary aluminum ingot.
- Alloy and temper: Higher tempers (H18) with additional rolling and annealing steps cost more than soft O-temper discs.
- Dimensions: Thicker and larger-diameter aluminum circles require more material and more precise processing.
- Surface finish: Bright-finish or anodized circles carry a premium over standard mill-finish products.
- Order quantity: Larger MOQ (minimum order quantity) orders receive better pricing. We accept orders from 1 MT.
- Delivery terms: FOB, CIF, and DAP pricing differ. We offer flexible Incoterms.
For an accurate and up-to-date 1070 aluminum circle price, please contact us directly. We provide a detailed quotation within 24 hours, including mill test reports and quality certifications.
1070 vs. 1050 vs. 1060 Aluminum Circle – How to Choose?
Many buyers ask about the difference between these three popular pure-aluminum alloys. The table below offers a quick comparison.
| Property | 1050 Aluminum Circle | 1060 Aluminum Circle | 1070 Aluminum Circle |
|---|---|---|---|
| Min. Al Content (%) | 99.50 | 99.60 | 99.70 |
| Electrical Conductivity | ~57% IACS | ~58% IACS | ~59% IACS |
| Formability | Good | Very Good | Excellent |
| Corrosion Resistance | Good | Very Good | Excellent |
| Typical Use | General sheet, signs | Cookware, lighting | Cookware, reflectors, electrical |
| Price Level | Lowest | Medium | Slightly higher |
In most cookware and high-end reflector applications, 1070 aluminum circles are the preferred choice because the incremental cost is small while the quality improvement is significant. For budget-sensitive projects where formability requirements are moderate, 1060 is a practical alternative.
Quality Standards & Certifications
All 1070 aluminum circles produced at WWAlucircle meet or exceed the following international standards:
- EN 573-3 (European standard for aluminum alloy chemical composition)
- EN 485-1/2 (Mechanical properties and tolerances for sheet and strip)
- ASTM B209 (Standard specification for aluminum alloy sheet and plate)
- GB/T 3880 (Chinese national standard for aluminum sheet)
- ISO 9001:2015 (Quality management system)
- SGS and BV third-party inspection available upon request
Each batch of aluminum 1070A circles is delivered with a full mill test report (MTR) showing chemical composition, mechanical properties, and dimensional inspection results.
Why Choose WWAlucircle as Your 1070 Aluminum Circle Manufacturer?
As a dedicated manufacturer and exporter of aluminum circles, WWAlucircle combines advanced production equipment with rigorous quality control to deliver products that meet the most demanding international standards.
- Vertically integrated production: From aluminum coil to finished 1070 aluminum circle – all under one roof, ensuring consistent quality and competitive cost.
- Wide size capability: Diameter from 50 mm to 1600 mm, thickness from 0.3 mm to 10 mm – we cover nearly every application need.
- Small MOQ: We accept orders starting from 1 MT, making us accessible to small manufacturers and traders alike.
- Fast delivery: Standard orders ship within 15–20 days; urgent orders within 7–10 days for stocked sizes.
- Custom processing: Anodizing, bright finish, special tempers, and custom packaging are all available.
- Global export experience: We regularly export aluminum circles to the Middle East, Southeast Asia, Europe, South America, and Africa.
- Dedicated after-sales support: Our technical team is available to assist with alloy selection, drawing process advice, and quality claims.
Export Markets – Where We Ship 1070 Aluminum Circles
We exports 1070 aluminum circles and aluminum 1070A products to more than 40 countries worldwide. Our major export markets include:
| Region | Key Countries |
|---|---|
| Middle East | UAE, Saudi Arabia, Iran, Turkey, Egypt |
| Southeast Asia | Vietnam, Indonesia, Thailand, Malaysia, Philippines |
| South Asia | Bangladesh, Pakistan, Sri Lanka |
| Europe | Germany, Italy, Poland, Spain, Netherlands |
| South America | Brazil, Colombia, Peru, Chile |
| Africa | Nigeria, Kenya, Ethiopia, Ghana, South Africa |
| North America | USA, Mexico, Canada |
We work with freight forwarders experienced in aluminum product shipments, ensuring safe packaging (wooden pallets, waterproof wrapping) and on-time delivery by sea, air, or rail.
How to Order 1070 Aluminum Circles
Ordering from our factory is straightforward. Here is the typical process:
Send us your requirements: alloy (1070), temper, thickness, diameter, quantity, and surface finish.
Receive a detailed quotation within 24 hours, including unit price, MOQ, lead time, and payment terms.
Confirm the order and sign a sales contract.
Frequently Asked Questions About 1070 Aluminum Circle
What is the difference between 1070 and 1070A aluminum?
1070 is the AA (Aluminum Association) designation, while 1070A is the equivalent EN (European) designation. Both refer to the same alloy with ≥ 99.70% aluminum. The “A” suffix in the European system indicates a slight variation in impurity limits. For practical purchasing purposes, they are interchangeable.
What temper is best for cookware applications?
For deep drawing into pots and pans, O (fully annealed) temper is recommended. It provides the highest elongation and the lowest yield strength, allowing the material to flow into complex shapes without cracking. After the drawing process, the finished part can be further treated as needed.
Can I get 1070 aluminum circles with a bright finish?
Yes. We supplies bright-finish 1070 aluminum circles suitable for lighting reflectors and decorative applications. The bright finish is achieved through a controlled rolling process and offers reflectivity above 80%.
Do you provide 1070 aluminum plate in addition to circles?
Yes. We supply both 1070 aluminum plate (flat sheet) and aluminum circles. If you need flat sheet material to cut your own blanks, we can quote both formats. Contact us to discuss your specific requirements.