Profile Section
Z100×50×15×4 mm Steel Z Profile — S420GD+ZM Magnelis
The 100x50x4mm steel Z profile is a cold roll-formed lipped purlin: 100 mm web, 50 mm flanges with 15 mm edge lips and 4 mm thickness, 6.30 kg/m. Roll-formed to order in Magnelis S420GD+ZM steel; Z purlins can be lapped at supports to form continuous roof and wall purlin lines. This page shows the size in Magnelis strip S420GD+ZM: zinc–aluminium–magnesium coating, ZM310 or ZM350 coating mass, minimum yield 420 MPa.
Made to Order — Roll Formed
This profile is roll-formed to order in your length (1–25 m). The minimum order is 5000 kg per size and material. Add your sizes to a quote request and we confirm lead time and price.
Add to Quote Request
Select length and quantity to add to your quote cart
Minimum order: 67 pieces
Minimum order: 5,000 kg per size
Optional made-to-order requirements — added to this line for our production team.
Applications & Usage
Z 100x50x4 carries roof and wall cladding on industrial halls, warehouses and agricultural buildings; lapped and bolted at supports it forms continuous purlin lines. Holes can be punched to your purlin schedule. Magnelis is often specified for solar mounting structures and agricultural buildings in corrosive environments. Each size is roll-formed to order in lengths from 1 to 25 m. The minimum order is 5000 kg per size and material — add your sizes to a quote request and we confirm lead time and delivered price.
Technical Specifications
| Specification | Value |
|---|---|
| Dimensions | 100mm × 50mm × 4mm |
| Weight per Meter | 6.3 kg/m |
| Material | Steel |
| Alloy/Grade | S420GD+ZM310 / ZM350 |
| Standard | EN 1090-1 (CE, EXC2); coated strip to EN 10346 |
| Profile Type | Z (purlin) |
| Edge Lip (c) | 15 mm |
| Developed Width | 202 mm |
| Cross-Section Area | 8.03 cm² |
| Moment of Inertia Iₓ | 124.4 cm⁴ |
| Section Modulus Wₑₗ,ₓ | 24.88 cm³ |
| Radius of Gyration rₓ | 3.89 cm |
| Moment of Inertia Iᵧ | 44.4 cm⁴ |
| Section Modulus Wₑₗ,ᵧ | 9.24 cm³ |
| Radius of Gyration rᵧ | 2.32 cm |
| Available Lengths | 6m, 12m |
| Standard Length | 6 m |
| Minimum Order per Size | 5 t |
| Cut-to-Length Range | 1000 – 25000 mm |
Weight and section properties are nominal values from the mill catalogue table. Values marked ≈ are calculated from the section centerline.
Indicative load span (single span, simply supported)
Allowable uniformly-distributed load (kN/m) limited by elastic bending about the strong axis (γ = 1.5 on yield, S420GD+ZM310 / ZM350). Deflection is not checked and usually governs long spans. Indicative only — confirm with a project calculation.
| Span | Max UDL |
|---|---|
| 2 m | ≈ 13.93 kN/m |
| 3 m | ≈ 6.19 kN/m |
| 4 m | ≈ 3.48 kN/m |
| 5 m | ≈ 2.23 kN/m |
| 6 m | ≈ 1.55 kN/m |
Made to Order — Roll Formed
This profile is roll-formed to order in your length (1–25 m). The minimum order is 5000 kg per size and material. Add your sizes to a quote request and we confirm lead time and price.
Cut to exact length
Any length from 1 to 25 m — no offcut waste on site
Material options
Magnelis (zinc–aluminium–magnesium) coated strip S420GD+ZM to EN 10346, coating mass ZM310 or ZM350.
In-line punching
Holes and slots punched to your drawing
Certified production
EN 1090-1 factory production control (CE, up to EXC2); ISO 9001
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