HEM 550 — Dimensions, Weight & Section Properties
HEM heavy wide-flange beam per EN 10365 (DIN 1025-4)
HEM 550 is a HEM heavy wide-flange beam per EN 10365 (DIN 1025-4), 572 mm tall and 306 mm wide, weighing 278 kg per meter. All dimensions and section properties below are the standard published values used in structural design across Europe.
Typical uses: floor beams, columns, frames, and general steel construction. For a quick strength check, use the deflection example below or open the beam calculator with your own span and load.
Dimensions (mm)
| Height h | 572 mm |
| Flange width b | 306 mm |
| Web thickness tₘ | 21 mm |
| Flange thickness tᶠ | 40 mm |
| Root radius r | 27 mm |
Weight & Cross-Section
| Weight per meter | 278 kg/m |
| Weight of a 6 m bar | 1,668 kg |
| Weight of a 12 m bar | 3,336 kg |
| Cross-section area A | 354.4 cm² |
Section Properties (strong / weak axis)
| Moment of inertia Iₓ | 198,000 cm⁴ |
| Section modulus Wₓ | 6,923 cm³ |
| Radius of gyration iₓ | 23.6 cm |
| Moment of inertia Iᵧ | 19,160 cm⁴ |
| Section modulus Wᵧ | 1,252 cm³ |
| Radius of gyration iᵧ | 7.35 cm |
Compared with the neighbouring sizes
| Profile | h × b (mm) | G (kg/m) | Iₓ (cm⁴) | Wₓ (cm³) | Δ weight | Δ Iₓ |
|---|---|---|---|---|---|---|
| HEM 500 | 524 × 306 | 270 | 161,900 | 6,180 | −3 % | −18 % |
| HEM 550 (this page) | 572 × 306 | 278 | 198,000 | 6,923 | — | — |
| HEM 600 | 620 × 305 | 285 | 237,400 | 7,660 | +3 % | +20 % |
Deflection example
A simply supported HEM 550 spanning 11 m with a 10 kN point load at midspan deflects 0.67 mm (E = 210 GPa, Ix = 198,000 cm⁴). The L/360 serviceability limit for this span is 30.6 mm — the profile passes this quick check.
Calculate your own span and load →
Frequently Asked Questions
How much does HEM 550 weigh?
HEM 550 weighs 278 kg per meter. A standard 6 m bar weighs 1,668 kg and a 12 m bar 3,336 kg. The weight follows from the cross-section area of 354.4 cm² multiplied by the steel density of 7,850 kg/m³.
What are the dimensions of HEM 550?
HEM 550 is 572 mm tall and 306 mm wide, with a web thickness of 21 mm, a flange thickness of 40 mm, and a root radius of 27 mm, per EN 10365 (DIN 1025-4).
What is the moment of inertia of HEM 550?
About the strong axis, Ix = 198,000 cm⁴ with a section modulus Wx = 6,923 cm³. About the weak axis, Iy = 19,160 cm⁴ and Wy = 1,252 cm³. Use the beam deflection calculator to turn these into deflection and stress for your span and load.
HEM 550 or HEM 600 — what does one size up change?
HEM 600 is about 3% heavier (285 vs 278 kg/m) but about 20% stiffer (Ix 237,400 vs 198,000 cm⁴). Going one size up is usually the cheapest way to cut deflection, because stiffness grows much faster than weight.
Values are entered from the governing standard’s published tables and cross-checked programmatically against its mass and section formulas before publication. Spotted an error? Write to advertising@metalabout.net — verified corrections ship within days. About