Steel Beam Sizes / Europe / IPN Sections / IPN 380
IPN 380 Dimensions, Weight and Section Properties
EN IPN taper flange beams · v2026.1
IPN 380: 380 mm depth, 149 mm flange width, 84 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
IPN 380 dimensions
Not to scale. Dimensions shown for reference.
Section properties
Symbols match the steel section finder. Imperial and metric values are shown side by side.
| Property | Imperial | Metric |
|---|---|---|
| Weight | 56.45 lb/ft | 84.00 kg/m |
| Depth, d | 14.96 in | 380.00 mm |
| Flange width, bf | 5.87 in | 149.00 mm |
| tw | 0.539 in | 13.700 mm |
| tf | 0.807 in | 20.500 mm |
| Area | 16.59 in² | 10,700.00 mm² |
| Ix | 576.84 in⁴ | 240,100,000 mm⁴ |
| Iy | 23.42 in⁴ | 9,750,000 mm⁴ |
| Sx | 76.89 in³ | 1,260,000 mm³ |
| Sy | 7.99 in³ | 131,000.00 mm³ |
| Zx | 90.44 in³ | 1,482,000 mm³ |
| Zy | 13.49 in³ | 221,000.00 mm³ |
| rx | 5.91 in | 150.00 mm |
| ry | 1.18 in | 30.00 mm |
| J | 3.39 in⁴ | 1,410,000 mm⁴ |
| Cw | 1,187.92 in⁶ | 319,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus IPN 380.
Lighter in IPN taper flange beams
IPN 360
- Weight
- 76.1 kg/m (-9.4%)
- Depth
- 360.0 mm (-5.3%)
- Ix
- 196,100,000 mm⁴ (-18%)
Heavier in IPN taper flange beams
IPN 400
- Weight
- 92.4 kg/m (+10.0%)
- Depth
- 400.0 mm (+5.3%)
- Ix
- 292,100,000 mm⁴ (+22%)
Another Iₓ option in IPN taper flange beams
IPN 340
- Weight
- 68.0 kg/m (-19%)
- Depth
- 340.0 mm (-11%)
- Ix
- 157,000,000 mm⁴ (-35%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · EN 10365:2017 · Methodology