Wood Grain Coated Steel Roll Forming Material Guide: Decorative Finish, Coil Sizes & Uses

Wood Grain Coated Steel Roll Forming Material

1. Overview of Wood Grain Coated Steel in Roll Forming

Wood grain coated steel is a decorative pre-painted steel designed to replicate the appearance of natural wood while maintaining the strength, durability, and low maintenance of metal.

This material is widely used in architectural, residential, and commercial applications where a wood aesthetic is desired without the issues of real timber such as rot, warping, and high maintenance.

The wood grain effect is typically achieved through advanced printing or transfer coating systems applied over galvanized steel (PPGI) or Aluzinc steel (PPGL).

In roll forming, wood grain coated steel is used for panels, trims, façade systems, and decorative profiles.

2. Material Composition & Structure

Wood grain coated steel consists of:

Steel base (cold rolled steel)
Zinc or Aluzinc coating
Chemical pre-treatment
Primer layer
Wood grain printed or transfer coating
Protective clear topcoat
Backing coat

Layer Structure:

Steel core
Zinc or Aluzinc coating
Chemical pre-treatment
Primer coating
Wood grain decorative layer
Protective clear coat
Back coat

3. Available Coil Specifications

Thickness Range

0.3mm – 1.2mm

Coil Width

600mm – 1250mm

Coil Weight

3 tons – 10 tons

Coil ID / OD

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

Tolerance

High surface quality required
Consistent coating appearance

4. Mechanical Properties

Typical values:

Yield Strength: 180 – 350 MPa
Tensile Strength: 300 – 550 MPa
Elongation: 10% – 25%
Hardness: 100 – 180 HB

Grades:

DX51D
S320GD / S350GD

5. Coating Types (WOOD GRAIN SYSTEM)

Wood grain coatings are typically based on:

PE (Polyester)

Cost-effective
Decorative applications

SMP

Improved durability
Better UV resistance

PVDF (Premium)

High-end architectural projects
Long lifespan

Coating Thickness

Decorative layer + clear coat: 20–35 microns
Back coat: 5–10 microns

Performance

UV resistant (depending on system)
Scratch resistant with protective topcoat

Cost Level

Medium to high

6. Surface Finishes

Smooth wood grain
Embossed wood texture
Matte wood finish
Gloss wood finish
Natural timber look variations

7. Common Roll Forming Applications

Wood grain coated steel is used in:

Wall cladding panels
Decorative façade systems
Soffits and ceiling panels
Garage doors
Window and door frames
Interior design panels
Architectural trims

8. Advantages of Wood Grain Coated Steel

Real wood appearance
No rot, warping, or termites
Low maintenance
Lightweight compared to timber
Good corrosion resistance
Long lifespan

9. Disadvantages / Limitations

More expensive than standard coatings
Requires careful handling to avoid damage
Pattern alignment may be required
Limited structural applications
Not identical to real wood texture

10. Roll Forming Machine Considerations

Roll Tooling

High-quality chrome plated rollers
Smooth surfaces critical

Speed

10–30 m/min

Lubrication

Often recommended

Cutting

Flying shear preferred
Clean cuts essential

Common Issues

Pattern distortion
Surface scratching
Roller marks
Alignment mismatch

11. Common Problems in Production

Pattern misalignment across panels
Surface damage during forming
Color variation between batches
Handling scratches
Coating wear in tooling

12. Pricing Guide

Typical global pricing:

Low: $1000–$1300 per ton
Medium: $1300–$1800 per ton
High: $1800–$2500+ per ton

Factors affecting price:

Coating system
Pattern complexity
Base material (GI or Aluzinc)
Supplier

13. Comparison with Other Materials

Wood Grain vs Real Wood

Steel = durable and low maintenance
Wood = natural but requires upkeep

Wood Grain vs Matte Steel

Wood grain = decorative pattern
Matte = simple finish

Wood Grain vs Textured Steel

Wood grain = printed design
Textured = physical surface

14. Best Industries Using Wood Grain Coated Steel

Residential construction
Architectural design
Commercial buildings
Interior design
Prefabricated structures

15. How to Choose Wood Grain Coated Steel

Choose Wood Grain When:

Aesthetic wood appearance required
Low maintenance needed
Decorative applications
Modern architectural designs

Avoid When:

Structural strength is primary requirement
Budget is very limited
Industrial heavy-duty applications

16. FAQ Section

What is wood grain coated steel?

Steel coated with a decorative wood-like finish.

Is it real wood?

No, it is a printed or coated steel surface.

Is it durable?

Yes, much more durable than real wood.

Can it be roll formed?

Yes, with proper tooling and handling.

Does the pattern fade?

Depends on coating system (PVDF lasts longest).

17. Machine Matcher Section

We supply roll forming machines for all material types including wood grain coated 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
0.3–1.2mm

Yield Strength
180–350 MPa

Coil Width
600–1250mm

Coil ID
508 / 610mm