HEM 240 — Dimensions, Weight & Section Properties
HEM heavy wide-flange beam per EN 10365 (DIN 1025-4)
HEM 240 is a HEM heavy wide-flange beam per EN 10365 (DIN 1025-4), 270 mm tall and 248 mm wide, weighing 157 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 | 270 mm |
| Flange width b | 248 mm |
| Web thickness tₘ | 18 mm |
| Flange thickness tᶠ | 32 mm |
| Root radius r | 21 mm |
Weight & Cross-Section
| Weight per meter | 157 kg/m |
| Weight of a 6 m bar | 942 kg |
| Weight of a 12 m bar | 1,884 kg |
| Cross-section area A | 199.6 cm² |
Section Properties (strong / weak axis)
| Moment of inertia Iₓ | 24,290 cm⁴ |
| Section modulus Wₓ | 1,799 cm³ |
| Radius of gyration iₓ | 11 cm |
| Moment of inertia Iᵧ | 8,153 cm⁴ |
| Section modulus Wᵧ | 657 cm³ |
| Radius of gyration iᵧ | 6.39 cm |
Compared with the neighbouring sizes
| Profile | h × b (mm) | G (kg/m) | Iₓ (cm⁴) | Wₓ (cm³) | Δ weight | Δ Iₓ |
|---|---|---|---|---|---|---|
| HEM 220 | 240 × 226 | 117 | 14,600 | 1,217 | −25 % | −40 % |
| HEM 240 (this page) | 270 × 248 | 157 | 24,290 | 1,799 | — | — |
| HEM 260 | 290 × 268 | 172 | 31,310 | 2,159 | +10 % | +29 % |
Deflection example
A simply supported HEM 240 spanning 5 m with a 10 kN point load at midspan deflects 0.51 mm (E = 210 GPa, Ix = 24,290 cm⁴). The L/360 serviceability limit for this span is 13.9 mm — the profile passes this quick check.
Calculate your own span and load →
Frequently Asked Questions
How much does HEM 240 weigh?
HEM 240 weighs 157 kg per meter. A standard 6 m bar weighs 942 kg and a 12 m bar 1,884 kg. The weight follows from the cross-section area of 199.6 cm² multiplied by the steel density of 7,850 kg/m³.
What are the dimensions of HEM 240?
HEM 240 is 270 mm tall and 248 mm wide, with a web thickness of 18 mm, a flange thickness of 32 mm, and a root radius of 21 mm, per EN 10365 (DIN 1025-4).
What is the moment of inertia of HEM 240?
About the strong axis, Ix = 24,290 cm⁴ with a section modulus Wx = 1,799 cm³. About the weak axis, Iy = 8,153 cm⁴ and Wy = 657 cm³. Use the beam deflection calculator to turn these into deflection and stress for your span and load.
HEM 240 or HEM 260 — what does one size up change?
HEM 260 is about 10% heavier (172 vs 157 kg/m) but about 29% stiffer (Ix 31,310 vs 24,290 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