Anodized Aluminum Roll Forming Material Guide: Coil Sizes, Finishes & Applications

Anodized Aluminum Roll Forming Material

1. Overview of Anodized Aluminum in Roll Forming

Anodized aluminum is aluminum that has undergone an electrochemical process to create a controlled oxide layer on its surface. This layer significantly enhances corrosion resistance, surface hardness, and aesthetic appearance.

Unlike painted aluminum, anodized aluminum integrates the finish into the metal itself, meaning it will not peel or flake. It is widely used in architectural, marine, and industrial applications where durability and long-term appearance are critical.

In roll forming, anodized aluminum is used for façade systems, trims, panels, and high-end roofing components.

2. Material Composition & Structure

Anodized aluminum consists of:

Aluminum alloy base
Electrochemically formed oxide layer

Common Alloy Series:

3003 Aluminum – Most common
5005 Aluminum – Best for anodizing (architectural use)
5052 Aluminum – Marine applications

Layer Structure:

Aluminum core
Anodized oxide layer (integrated surface)

3. Available Coil Specifications

Thickness Range

0.4mm – 3.0mm

Coil Width

600mm – 1500mm

Coil Weight

2 tons – 8 tons

Coil ID / OD

ID: 508mm / 610mm
OD: up to 1400mm

Tolerance

High dimensional accuracy
Uniform surface finish

4. Mechanical Properties

Typical values (depending on alloy):

Yield Strength: 100 – 300 MPa
Tensile Strength: 150 – 350 MPa
Elongation: 10% – 30%
Hardness: 60 – 120 HB (increased surface hardness due to anodizing)

5. Coating Types (ANODIZED SYSTEM)

Anodized Layer Thickness

5–10 microns (indoor use)
15–25 microns (outdoor use)
25+ microns (marine/coastal environments)

Performance

Excellent corrosion resistance
UV stable (no fading)
Scratch resistant surface
No peeling or flaking

Finish Types

Clear anodized
Bronze anodized
Black anodized
Gold anodized

Cost Level

Medium to high

6. Surface Finishes

Satin anodized
Brushed anodized
Polished anodized
Matte anodized
Metallic finishes

7. Common Roll Forming Applications

Anodized aluminum is used in:

Architectural façade panels
Curtain wall systems
Roofing systems
Window and door frames
Decorative trims
Interior architectural elements
Marine applications

8. Advantages of Anodized Aluminum

Extremely durable finish
No peeling or flaking
Excellent corrosion resistance
UV stable (no fading)
Premium appearance
Low maintenance

9. Disadvantages / Limitations

Higher cost than painted aluminum
Surface can be damaged during forming
Requires careful handling
Limited color range compared to paint
Repairing damage is difficult

10. Roll Forming Machine Considerations

Roll Tooling

Highly polished rollers essential
Avoid surface damage

Speed

10–40 m/min

Lubrication

Often required

Cutting

Flying shear preferred
Sharp blades critical

Common Issues

Surface scratching
Marking from rollers
Finish damage during forming

11. Common Problems in Production

Surface scratching
Anodized layer damage
Handling marks
Oil canning
Coil camber affecting alignment

12. Pricing Guide

Typical global pricing:

Low: $2200–$3000 per ton
Medium: $3000–$4500 per ton
High: $4500–$7000+ per ton

Factors affecting price:

Alloy type
Anodizing thickness
Finish type
Supplier

13. Comparison with Other Materials

Anodized vs Painted Aluminum

Anodized = integrated finish
Painted = coating layer

Anodized vs Stainless Steel

Aluminum = lighter
Stainless = stronger

Anodized vs Mill Finish Aluminum

Anodized = enhanced durability
Mill finish = basic material

14. Best Industries Using Anodized Aluminum

Architectural construction
Marine industry
Commercial buildings
Interior design
High-end manufacturing

15. How to Choose Anodized Aluminum

Choose Anodized When:

Premium appearance required
Long-term durability needed
UV exposure is high
Maintenance must be minimal

Avoid When:

Budget is limited
Complex forming with tight radii
Frequent handling during production

16. FAQ Section

What is anodized aluminum?

Aluminum with a controlled oxide layer for protection.

Is anodized better than painted aluminum?

For durability, yes.

Does anodized aluminum peel?

No, the finish is part of the metal.

Is anodized aluminum good for roll forming?

Yes, with proper handling.

Can anodized aluminum be scratched?

Yes, but it is more resistant than painted surfaces.

17. Machine Matcher Section

We supply roll forming machines for all material types including anodized aluminum.

Custom-built machines to your profile
New machines built to specification
Global delivery available
UK and USA technical support

Contact:
Machine Matcher
Sales & Technical Team

Quick Specs

Thickness
0.4–3.0mm

Yield Strength
100–300 MPa

Coil Width
600–1500mm

Coil ID
508 / 610mm