1100 H14 Aluminium Circle Aluminum Disk For Road Sign Product
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1100 H14 Aluminium Circle Aluminum Disk For Road Sign Product

Aluminium discs, also known as aluminium circles, are manufactured by punching or cutting them from an aluminium coil, and are widely used in road and traffic signs. They are gaining popularity due to their lower density compared to stainless steel and superior strength to plastic. Most of these discs are exported to the Middle East and Europe, with a monthly shipment exceeding 200 tons owing to their good and stable quality offered at a competitive price.
  • Aluminum Disks



1100 H14 Aluminium Circle Aluminum Disk For Road Sign Product

Professional Manufacturer On The Prepainted Aluminum Circle / Aluminum Disk:

Changzhou Dingang Metal Material Co Ltd have more than 20 years experience for the roller coating aluminum coil. As one of the main aluminum circle manufacturers in China market.Our main products include 1000 series, 3000 series, 5000 series and 8000 series and production more than 300 tons per month

We produce the aluminum Coil from the ingot by the SMS Rolling Mill from Germany and Kampf Slitter. So we can control the quality from the source. For the aluminum circle ,we have our exclusive technology to ensure it will not break and very good for the deep drawing and spinning.


Prepainted Aluminum Disks Parameters:

1) Temper of aluminum disks:  mainly in H14, H18, H24.
2) Alloy of Pre painted aluminum disks: 1100, 1050, 1060, 3003, 3105, 3005
3) Product Origin: China
4) Minimum order quantity of Pre painted aluminum disks: 1000kgs each size
5) Lead Time of Pre painted aluminum disks: Within 30 days
6) The term of payment of Pre painted aluminum coil: T/T, irrevocable L/C at sight
7) Application of Pre painted aluminum disks: Lighting, printing, packing, decorative, electronics surface,aluminum plastic base plate, aluminum curtain wall base plate, aluminum composite panel base plate, aluminum spacer, aluminum embossed sheet, aluminum tread plate

The size and thickness of aluminium discs can be customised according to actual requirements, with common diameters ranging from a few millimetres to several metres, and thicknesses adjusted according to actual application scenarios. The surface of aluminium discs is usually oxidised to increase corrosion resistance and aesthetics. In addition, aluminium discs can be processed in a variety of ways, such as punching, cutting, milling, turning, etc.,which to meet the needs of different applications.

All chemical composition ,mechanical property ,size tolerance ,flat tolerance etc Strictly as per ASTM OR EN standard.

Chemical  Composition  (WT. %)
ALLOY Min. Al Si Fe Cu Mn Mg Zn V Ti Other
1050 99.5 0.25 0.4 0.05 0.05 0.05 0.05 0.05 0.03 0.03
1060 99.6 0.25 0.35 0.05 0.03 0.03 0.05 0.05 0.03 0.03
1070 99.7 0.25 0.25 0.04 0.03 0.03 0.04 0.05 0.03 0.03
1100 99 0.95 0.95 0.05-0.2 0.05 / 0.1 / / 0.05
3003 96.75 0.6 0.7 0.05-0.2 1.0-1.5 / 0.1 / / 0.15
Mechanical          Properties
Temper Thickness Tensile Strength Elongation% Standard
HO 0.36-10 60-100 ≥   20 GB/T91-2002
H12 0.5-10 70-120 ≥   4 GB/T91-2002
H14 0.5-10 85-120 ≥   2 GB/T91-2002

Prepainted Aluminum Disks Paint Performance:

Test Item Paint
PVDF PE And Others
With Varnish Without Varnish
Paint Film Thickness, μ ≥22 ≥30 ≥18
Shine Tolerance Shine≥80 Unit, ±10 Unit Allowed
Shine≥20-80 Unit, ±7 Unit Allowed
Shine<20 Unit, ±5 Unit Allowed
Pencil Hardness ≥1H
Abrasion Resistance, L/μm ≥5 --
T-bend ≤2T ≤3T
Impact Strength 50KG.CM Without Depainting And Crack
Adhesive Force (Class) ≥1
Boiling Water Resistance Unvarying
Chemical Resistance Acid Endurance Unvarying
Alkali Stability Unvarying
Oil Resistivity Unvarying
Resistance To Solvent ≥70 ≥50
Scrub Resistance ≥10000 Times Unvarying
Dirt Resistance ≤15% --
Salt Spray Resistance(class) ≥ 2 class --

Prepainted Aluminum Disks Production Line Show:


Why aluminum disk / aluminum circle always used for road sign?

Lightweight and flexible: aluminium round sheet has the characteristics of lightweight and lightweight, the kitchenware made of it also has the characteristics of lightweight and flexible, easy to carry and move.

Good high-temperature performance: aluminium round sheet has good high-temperature performance, can maintain stable performance at high temperatures, will not be deformed, melted or burned, so the kitchenware made of it has good high-temperature resistance.

Good processing performance: aluminium round sheet has good processing performance, can be processed in various ways, such as spinning, stretching, stamping, cutting, etc., so the kitchenware made of it also has a variety of shapes and structures.

Beauty and durability: aluminium round sheet has a beautiful and generous appearance, as well as good corrosion resistance and durability, so the kitchenware made of it is not only beautiful and durable, but also has a long service life.

Safe and environmentally friendly: aluminium round sheet is a recyclable and environmentally friendly material, which can effectively reduce environmental pollution in the production process. At the same time, aluminium discs are non-toxic, tasteless, safe and environmentally friendly, can be in direct contact with food, will not harm human health.

To sum up, aluminium round sheet has a wide range of applications in kitchenware supplies, which brings a lot of convenience and fun to people's life.

Prepainted Aluminum Circle / Aluminum Disks FAQ:

Q: What’s size of aluminum cirlce you can produce.

A: Conventional aluminium discs are available in diameters of 300mm, 400mm, 500mm, 600mm, 800mm, etc.

   We can offer you with your specified size requirement on aluminum circles within diameter 100 - 800mm.

Q: Can you supply the sample piece on aluminum disks for checking before bulk order?

A: Here’s no problem.We can offer you the small sample pieces for you checking quality and color.


Q: What’s the color option on the prepainted aluminum disk you can produce?

A: We can produce color coating aluminum disks as per the clients’ details or actual sample.


Q: What’s thickness range of aluminum disks you can produce?

A: The thickness range not larger than 1.20mm we can punching.


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Consult Us To Get Your Customized Aluminum Solution

We help you avoid the pitfalls to delivery the quality and value your aluminum  need, on-time and on-budget.


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   Building 2, Zhixing Business Plaza, No.25 North Street, Zhonglou District, Changzhou City, Jiangsu Province, China
    Chaoyang road, Konggang economic development area, Lianshui, Huai'an city, Jiangsu,China