IPE 180 — Dimensions, Weight & Section Properties
IPE I-beam per EN 10365 (DIN 1025-5)
IPE 180 is a IPE I-beam per EN 10365 (DIN 1025-5), 180 mm tall and 91 mm wide, weighing 18.8 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 | 180 mm |
| Flange width b | 91 mm |
| Web thickness tₘ | 5.3 mm |
| Flange thickness tᶠ | 8 mm |
| Root radius r | 9 mm |
Weight & Cross-Section
| Weight per meter | 18.8 kg/m |
| Weight of a 6 m bar | 112.8 kg |
| Weight of a 12 m bar | 225.6 kg |
| Cross-section area A | 23.9 cm² |
Section Properties (strong / weak axis)
| Moment of inertia Iₓ | 1,317 cm⁴ |
| Section modulus Wₓ | 146 cm³ |
| Radius of gyration iₓ | 7.42 cm |
| Moment of inertia Iᵧ | 101 cm⁴ |
| Section modulus Wᵧ | 22.2 cm³ |
| Radius of gyration iᵧ | 2.05 cm |
Compared with the neighbouring sizes
| Profile | h × b (mm) | G (kg/m) | Iₓ (cm⁴) | Wₓ (cm³) | Δ weight | Δ Iₓ |
|---|---|---|---|---|---|---|
| IPE 160 | 160 × 82 | 15.8 | 869 | 109 | −16 % | −34 % |
| IPE 180 (this page) | 180 × 91 | 18.8 | 1,317 | 146 | — | — |
| IPE 200 | 200 × 100 | 22.4 | 1,943 | 194 | +19 % | +48 % |
Deflection example
A simply supported IPE 180 spanning 4 m with a 10 kN point load at midspan deflects 4.82 mm (E = 210 GPa, Ix = 1,317 cm⁴). The L/360 serviceability limit for this span is 11.1 mm — the profile passes this quick check.
Calculate your own span and load →
Frequently Asked Questions
How much does IPE 180 weigh?
IPE 180 weighs 18.8 kg per meter. A standard 6 m bar weighs 112.8 kg and a 12 m bar 225.6 kg. The weight follows from the cross-section area of 23.9 cm² multiplied by the steel density of 7,850 kg/m³.
What are the dimensions of IPE 180?
IPE 180 is 180 mm tall and 91 mm wide, with a web thickness of 5.3 mm, a flange thickness of 8 mm, and a root radius of 9 mm, per EN 10365 (DIN 1025-5).
What is the moment of inertia of IPE 180?
About the strong axis, Ix = 1,317 cm⁴ with a section modulus Wx = 146 cm³. About the weak axis, Iy = 101 cm⁴ and Wy = 22.2 cm³. Use the beam deflection calculator to turn these into deflection and stress for your span and load.
IPE 180 or IPE 200 — what does one size up change?
IPE 200 is about 19% heavier (22.4 vs 18.8 kg/m) but about 48% stiffer (Ix 1,943 vs 1,317 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