Product · SHS
SHS Steel Supply
Square Hollow Section steel to AS/NZS 1163 — Australia's most-used fencing post and frame section.
Specification & Supply
SHS is the foundation of modern fencing and gate framework. We hold the common fencing-gauge sizes — 50×50, 65×65 and 75×75 — in pre-galvanised, hot-dip galvanised, black and powder coated finishes. Supplied in mill bundles, cut-to-length packs or project-specific bulk lots, with mill direct pricing on full pack and full container quantities — subject to availability.
- AS/NZS 1163 manufactured
- Common sizes 50×50, 65×65, 75×75 SHS
- Wall thicknesses 1.6mm – 4.0mm (fencing range)
- Pre-galv, HDG, black and powder coated
- Cut to length and standard stock lengths
- Mill direct on full pack project quantities
Specifications
AS/NZS 1163| Product Type | Square Hollow Section (SHS) |
|---|---|
| Steel Grade | Available in a range of structural grades including AS/NZS 1163 C350L0 depending on section size, wall thickness and mill source |
| Australian Standard | AS/NZS 1163 |
| Finish | Black · Pre-galvanised · Hot dip galvanised · Powder coated |
| Available Sizes (fencing range) | 50×50 · 65×65 · 75×75 · 89×89 · 100×100 · Wall 1.6mm – 4.0mm |
| Standard Lengths | 6.0m · 7.5m · 9.0m · cut-to-length available |
| Common Applications | Fence posts, gate frames, security fencing, commercial tubular fence systems |
Common SHS Fence Post Sizes
Indicative · subject to availability| Size | Wall Thickness | Typical Use |
|---|---|---|
| 50 × 50 SHS | 1.6 · 2.0 · 2.5 mm | Residential and light commercial fence posts |
| 65 × 65 SHS | 2.0 · 2.5 · 3.0 mm | Standard commercial chainwire fencing posts |
| 75 × 75 SHS | 2.0 · 2.5 · 3.0 · 4.0 mm | Heavy commercial and security fencing posts |
| 89 × 89 SHS | 3.5 · 5.0 mm | Heavy gate posts, high-wind regions |
| 100 × 100 SHS | 4.0 · 5.0 · 6.0 mm | Industrial gate posts, cantilever slide-gate posts |
| 125 × 125 SHS | 5.0 · 6.0 · 9.0 mm | Heavy duty structural posts, large industrial gates |
Security Fencing Applications
Anti-Climb Mesh Posts
65×65 and 75×75 SHS with welded mesh panel systems to AS 1725 for industrial and infrastructure security.
Palisade Fencing
Heavy 75×75 and 100×100 SHS posts for palisade and anti-intruder fencing on government and critical infrastructure sites.
Topping & Overhang
Heavier-gauge posts to support razor coil, barbed wire and angled toppings to AS 1725 detailing.
Perimeter Security
Hot dip galvanised posts for long-life perimeter security on commercial and government sites.
Commercial Uses
Chainwire Fencing
65×65 and 75×75 SHS — the industry standard for commercial chainwire boundary and infill fencing.
Welded Mesh Panel
Heavy-duty SHS posts for industrial welded-mesh panel systems with bolt-on or weld-on bracketry.
Commercial Gate Posts
100×100 and 125×125 SHS for swing and sliding commercial gate hinge and receiver posts.
Site Hoarding & Hire Yards
Heavy SHS posts for long-life rental and site hoarding fencing systems.
Stock, Lengths & Delivery
- Available in common stock lengths including 6.0m, 7.5m and 9.0m depending on product and availability.
- Cut-to-length supply available on request — supply your cutting list with your quote.
- Bulk and project quantities available — mill direct pricing on larger orders, subject to availability.
Why contractors buy steel from us
Trade WholesaleMill direct supply
Sourced direct from Australian and approved overseas mills — bulk pricing without the merchant markup.
AS/NZS compliant
Steel manufactured to recognised Australian Standards. Mill certificates supplied on request for engineered jobs.
Cut to length
Mill lengths, standard fencing lengths or cut-to-size packs — palletised ready for site.
Australia-wide freight
Direct truck loads, part loads and palletised freight to metro, regional and remote project sites.
Bulk & project quantities
From single pack to full mill order — priced for fencing contractors, fabricators and infrastructure programs.
Trade-only pricing
We supply the trade — fencing contractors, fabricators, steel merchants, landscapers and government buyers.
Frequently Asked Questions
What is the difference between SHS and RHS steel?+
SHS (Square Hollow Section) has equal width and height, while RHS (Rectangular Hollow Section) has different width and height. SHS is typically used for fence posts and gate frames, RHS for rails and structural framing.
What size SHS is used for standard chainwire fence posts?+
65×65 SHS and 75×75 SHS are the industry-standard sizes for commercial chainwire fence posts in Australia, typically in 2.0–3.0mm wall thickness and hot-dip galvanised finish.
Do you supply SHS in cut-to-length packs?+
Yes — we supply SHS in mill standard lengths (6.0m, 7.5m, 9.0m) or cut to your specified post and gate-frame lengths, palletised and banded ready for site delivery.
Can you supply mill-direct on full container quantities?+
Yes. Mill direct supply is available on full pack and full container project quantities — subject to availability and lead time. Contact us for trade pricing on bulk orders.
What Australian Standard does your SHS comply with?+
All structural SHS is manufactured to AS/NZS 1163 in C350L0 or equivalent grade, with mill test certificates available on request for engineered projects.