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Profile Section
The 360x100x3.5mm steel Sigma profile is a cold roll-formed section to EN 10162 with a stiffened, indented 360 mm web, 100 mm flanges with 30 mm edge lips and 3.5 mm sheet thickness, weighing a nominal 17.49 kg/m. Produced to order in galvanized S350GD+Z steel, the Σ geometry moves the shear centre towards the section centroid — higher load capacity and less twist than an equivalent C profile at the same weight.
Sigma 360x100x3.5 is the weight-optimized choice for solar tracker and fixed-tilt rafters, long-span purlins, racking and shelving uprights, and light steel structures where every kilogram of steel and foundation load counts. The indented web raises buckling resistance, allowing thinner material for the same performance. At a nominal 17.49 kg/m and cut-to-length production from 1 to 15 m, material usage is optimized with no offcuts on site. Minimum production run is approximately 500 kg per size and coating — add your sizes to a quote request and our team confirms exact tonnage, lead time and delivered pricing.
| Specification | Value |
|---|---|
| Dimensions | 360mm × 100mm × 3.50mm |
| Weight per Meter | 17.490 kg/m |
| Material | Steel |
| Alloy/Grade | S350GD+Z275 |
| Standard | EN 10162 / EN 10346 |
| Profile Type | Sigma (Σ) |
| Edge Lip (c) | 30 mm |
| Developed Width | ≈ 637 mm |
| Minimum Production Run | ≈ 500 kg |
| Finish | S350GD+Z Galvanized |
| Available Lengths | 6m, 12m |
| Standard Length | 6 m |
| Minimum Order Length | 30 m |
| Cut-to-Length Range | 1000 – 15000 mm |
This profile is roll-formed to order in your exact length (1–15 m; longer on project basis). Minimum production run is approx. 500 kg per size and coating. Add your sizes to a quote request and our team confirms lead time and pricing within one business day.
This profile is roll-formed to order in your exact length (1–15 m; longer on project basis). Minimum production run is approx. 500 kg per size and coating. Add your sizes to a quote request and our team confirms lead time and pricing within one business day.
Request a quote for current pricing.
Select length and quantity to add to your quote cart
Minimum order: 3 pieces
Minimum total length: 30 m
Any length from 1 to 15 m — no offcut waste on site
Pre-galvanized (DX51D+Z / S350GD+Z), uncoated cold-rolled, Aluzinc and pre-painted RAL on request
Mounting holes and slots punched to your drawing during roll forming
Produced to EN 10162; EN 10204 3.1 mill certificates available
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