Leading Manufacturer of Grating Products and Accessories in New Zealand

Mild Steel Grating

Hardwearing mild steel grating products manufactured by Christchurch based Steel Grating Ltd

Steel Grating Ltd supply mild steel grating products that are economic, durable and strong with superior spanning capabilities compared to other grating products. Our steel grating products are suitable for high impact, high load and hardwearing applications. Plain and serrated load bar surfaces are available. We have a comprehensive range of steel grating products with different options of load bar spacings to ensure suitability for a variety of light, medium or heavy duty applications. 

Get in contact to discuss your next project and we can work with you to ensure an economical and practical solution to your requirements. View our mild steel grating product catalogue.


Let us know your project specific requirements and our in-house fabrication team can manufacture gratings to any shape or size area. Made using quality steel, we can meet your unique specifications, including grating design, load bar spacings, surface finish, corrosion resistance and load-bearing capacity. We can also supply products in black (untreated), hot dip galvanized steel meeting NZ Standards AS/NZS4680 or powder coat finish.

Whether your requirements are for small, medium or large projects we are here to help. Reach out for a quote for any of our grating products.

Get in Touch

Fill out the form below and upload any files you wish and we will contact you as soon as possible.

Durable mild steel grating products offer superior spanning capabilities and strength

  • A comprehensive range of steel grating products
  • In house fabrication team to fabricate to your specific requirements
  • Products conform to all relevant NZ material and galvanising standards
  • Products comply with the requirements of AS1657 – fixed platforms, walkways, stairways and ladders
Steel Grating Ltd supplies mild steel grating for distribution and delivery throughout New Zealand.

Mild steel grating


  • Manufactured using high quality steel conforming to NZ standards AS3679 G250 or better
  • Hot dip galvanized to NZ standard AS/NZS4680
  • Slip resistant plain and serrated surfaces available
  • Superior spanning capabilities
  • Suitable for high impact, high load and hard wearing applications
  • Low maintenance
  • Excellent life span
  • In house fabrication team to fabricate grating to any size / shape required
  • Open mesh design- high percentage open area makes steel grating ideal for elevated walkways or mezzanine areas with sprinkler systems fitted in buildings.
  • All our mild steel grating products in series 1 and series 2 conform to the requirements of AS1657:2018 fixed platforms, walkways, stairways and ladders.
  • Available in standard panels or fabricated to suit specific site requirements.

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  • Black (untreated/raw) finish (U)
  • Hot dip galvanized to AS/NZS4680 standard (G)
  • Powder-coated finish (P)


  • Walkways and ramps
  • Maintenance Platforms
  • Flooring for industrial and commercial applications
  • Egress Stair treads and landings
  • Drain covers, sump grates and trench grates
  • Security and architectural screens / facades
  • Balustrade infill
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Gallery of mild steel grating products


Leading Manufacturer of Grating Products and Accessories in New Zealand
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