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Galvanized Steel Grating

Additional information

Material Options

Mild Steel (Carbon Steel)

Bearing Bar Size

25×3mm,30×3mm, 32×5mm,40×3mm, 40×4mm, 40×5mm, 50×5mm (Custom sizes available).

Bearing Bar Spacing

25mm,30mm,40mm,50mm,100mm(Custom sizes )

Cross Bar Size

6mm,8mm,10mm

Cross Bar Spacing

25mm,30mm,50mm,100mm.

Surface Treatment

Hot-Dip Galvanized (HDG)

Surface Profile

Plain (Smooth), Serrated (Non-slip), or I-Bar.

Panel Dimensions

Standard Sizes: 1000 ×1000mm or 5000 ×1000mm or 1000 × 5800mm(Custom sizes available).

Loading Capacity

Light Duty (Pedestrian) or Heavy Duty (Vehicle/Truck traffic).

Applications

Used for industrial platforms, walkways, drainage covers, stair treads, and safety fencing, providing exceptional durability and corrosion resistance in harsh environments.

Please email us with your required specifications based on the above parameters. We will provide customized quotes and manufacturing according to your requirements.

Galvanized Steel Grating Manufacturer & Anti-Corrosion Supplier

High-performance galvanized steel grating designed for corrosion resistance and long service life. Manufactured with hot-dip galvanizing, it provides excellent protection against rust, making it ideal for outdoor, industrial, and harsh environment applications.

  • Factory Direct: Consistent quality with competitive pricing
  • Anti-Corrosion: Hot-dip galvanizing for long-term durability
  • Global Export: Proven supply for international projects

What Is Galvanized Steel Grating?

Galvanized steel grating is carbon steel grating that has been treated with a hot-dip galvanizing process to form a protective zinc coating. This coating prevents corrosion and extends service life in harsh environments.

It is widely used in outdoor and industrial environments where moisture, chemicals, and weather exposure are concerns.

Before and After Galvanizing for Steel Grating

Hot-Dip Galvanizing Process

  • Surface cleaning and degreasing
  • Pickling for rust removal
  • Molten zinc immersion
  • Zinc coating formation
  • Cooling and inspection

Why Choose Galvanized Grating?

  • Excellent corrosion resistance
  • Long service life
  • Low maintenance cost
  • Strong structural performance
  • Suitable for outdoor use

Specifications

Item Range
Bearing Bar Height 20 mm – 100 mm
Bearing Bar Thickness 3 mm – 10 mm
Bearing Bar Spacing 20 mm, 30 mm, 40 mm
Cross Bar Spacing 50 mm, 100 mm
Zinc Coating ≥ 70 μm (ASTM A123)

Load Capacity Reference

Type Span Load
30×3 1000 mm ~300 kg/m²
32×5 1000 mm ~500 kg/m²
40×5 1000 mm ~700 kg/m²

Applications

  • Industrial platforms
  • Walkways and flooring
  • Drainage trench covers
  • Marine and offshore environments
  • Outdoor infrastructure

Types of Galvanized Steel Grating

Comparison: Galvanized vs Black Steel Grating

  • Galvanized: corrosion-resistant, outdoor use
  • Black steel: lower cost, indoor use
  • Galvanized: longer lifespan
  • Black steel: requires maintenance

Custom Galvanized Grating

We provide full customization including panel size, bearing bar specifications, and galvanizing thickness based on project requirements.

For tailored solutions, visit
Custom Steel Grating.

galvanized steel grating


Quality Inspection

  • Zinc coating thickness testing
  • Surface quality inspection
  • Dimensional tolerance control
  • Third-party inspection available (SGS / BV)

Request a Quote for Galvanized Grating

Looking for corrosion-resistant grating for your project? Contact us for professional support.


Get a Quote


Q: What is the smallest hole you can produce?
A: Typical micro perforation starts at 0.3 mm; for smaller holes we recommend chemical etching — contact us with your exact spec.

Q: Do you offer custom patterns and prototypes?
A: Yes. We do prototypes with no MOQ. Send drawings or sample references to info@perfsheet.com.

Q: Can you cut panels to irregular shapes?
A: Yes. Provide a CAD file or drawing; laser or waterjet processes are suitable for complex outlines while preserving micro hole integrity.

Q: How do you handle edge finishing?
A: We can supply straight-cut edges, folded profiles, or hemmed edges. Hemming improves safety and aesthetics for visible edges.

Q: Can you produce curved panels?
A: Some materials can be roll-formed or pressed into curved shapes. Send radius and panel size; we’ll advise on manufacturability.

Q: Can you provide material certificates?
A: Yes — material certificates are included with shipments and we support third-party testing.

Micro perforated metal sheet manufacturing video

After perforation, especially for plates with very dense hole patterns, the perforated metal sheets will experience significant deformation. We perform flattening treatment after completing all perforation processes. Below is the video of flattening perforated metal sheets:

After the leveling process, our perforated metal sheets can be precisely laser-cut into any custom shape as required. Below is a production video demonstrating the laser-cutting process:

Below are some real-scene displays of our factory

Perforated Metal Sheet Automated Production Workshop Live Footage

Factory workshop Factory workshop

Factory workshop Factory workshop

Raw materials Raw materials

Raw materials Raw materials

Raw materials Raw materials