AZ200 Aluzinc Steel Roll Forming Material Guide: Heavy Coating, Coil Sizes & Uses

AZ200 Aluzinc Steel Roll Forming Material

1. Overview of AZ200 Aluzinc Steel in Roll Forming

AZ200 Aluzinc steel is a heavy aluminum-zinc coated steel with a coating weight of 200 g/m² (total both sides). It provides enhanced corrosion resistance compared to AZ150, making it suitable for more aggressive environments while maintaining good formability for roll forming.

The coating composition is 55% aluminum, 43.4% zinc, and 1.6% silicon, delivering a combination of barrier protection and sacrificial protection. AZ200 is often selected for projects requiring extended lifespan beyond standard roofing materials.

In roll forming, AZ200 is used in industrial roofing, infrastructure, agricultural buildings, and applications exposed to moderate to harsh environmental conditions.

2. Material Composition & Structure

AZ200 Aluzinc steel consists of:

• Steel base (cold rolled steel)
• Aluminum-zinc alloy coating

Coating Composition:

• 55% Aluminum
• 43.4% Zinc
• 1.6% Silicon

Layer Structure:

1. Steel core
2. Aluminum-zinc coating
3. Protective oxide layer

3. Available Coil Specifications

Thickness Range

• 0.4mm – 3.5mm

Coil Width

• 600mm – 1250mm (up to 1500mm available)

Coil Weight

• 3 tons – 15 tons

Coil ID / OD

• ID: 508mm / 610mm
• OD: up to 1600mm

Tolerance

• Tight thickness tolerance
• Excellent flatness for roll forming

4. Mechanical Properties

Typical values:

• Yield Strength: 230 – 550 MPa
• Tensile Strength: 300 – 700 MPa
• Elongation: 12% – 28%
• Hardness: 130 – 210 HB

Grades:

• AZ200 coating grade
• DX51D / S320GD / S350GD

5. Coating Types

Aluzinc Coating (AZ200)

• 200 g/m² total

Coating Thickness

• Approx. 26–30 microns

Lifespan

• Indoor: 35+ years
• Outdoor: 25–45+ years

Cost Level

• Medium-high

6. Surface Finishes

• Smooth metallic finish
• Fine spangle pattern
• Reflective surface
• Suitable for painting (PPGL base)

7. Common Roll Forming Applications

AZ200 Aluzinc steel is used in:

• Industrial roofing systems
• Wall cladding in exposed environments
• Agricultural buildings
• Infrastructure projects
• Solar mounting structures
• Heavy-duty panel systems

8. Advantages of AZ200 Aluzinc Steel

• Higher corrosion resistance than AZ150
• Longer service life
• Excellent heat reflectivity
• Suitable for harsher environments
• Strong and durable

9. Disadvantages / Limitations

• Higher cost than AZ150
• Reduced formability in tight bends
• Edge protection still limited
• Not ideal for extreme marine environments without coating

10. Roll Forming Machine Considerations

Roll Tooling

• High-quality chrome plated rollers required
• Smooth finish critical

Speed

• 10–50 m/min

Lubrication

• Sometimes recommended for complex profiles

Cutting

• Hydraulic or flying shear
• Heavy-duty blades recommended

Common Issues

• Edge cracking in tight radii
• Surface scratching
• Increased forming pressure

11. Common Problems in Production

• Edge corrosion over time
• Surface marking from tooling
• Oil canning in roofing panels
• Coil camber affecting alignment
• Handling damage

12. Pricing Guide

Typical global pricing:

• Low: $1100–$1300 per ton
• Medium: $1300–$1600 per ton
• High: $1600–$2000+ per ton

Factors affecting price:

• Coating weight
• Thickness
• Steel grade
• Supplier and origin

13. Comparison with Other Materials

AZ200 vs AZ150

• AZ200 = better corrosion resistance
• AZ150 = more cost-effective

AZ200 vs AZ100

• AZ200 = significantly higher durability
• AZ100 = lower cost

AZ200 vs Galvanized Steel (Z450)

• AZ200 = better heat resistance
• Z450 = better edge protection

14. Best Industries Using AZ200 Aluzinc Steel

• Industrial construction
• Agriculture
• Infrastructure
• Solar energy
• Heavy-duty roofing

15. How to Choose AZ200 Aluzinc Steel

Choose AZ200 When:

• Extended lifespan required
• Moderate to harsh environments
• Industrial roofing and cladding
• High-performance requirements

Avoid When:

• Budget is limited
• Tight forming radii required
• Indoor-only applications

16. FAQ Section

What is AZ200 Aluzinc steel?

It is Aluzinc steel with a 200 g/m² coating.

Is AZ200 better than AZ150?

Yes, it offers higher corrosion resistance.

Is AZ200 suitable for roofing?

Yes, especially for industrial and exposed environments.

Is AZ200 expensive?

Yes, it is more expensive than AZ150.

Can AZ200 be used outdoors?

Yes, it is designed for outdoor use.

17. Machine Matcher Section

We supply roll forming machines for all material types including AZ200 Aluzinc steel.

• 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
0.4–3.5mm

Yield Strength
230–550 MPa

Coil Width
600–1250mm

Coil ID
508 / 610mm