Steel Beam Sizes / Europe / IPN Sections / IPN 300
IPN 300 Dimensions, Weight and Section Properties
EN IPN taper flange beams · v2026.1
IPN 300: 300 mm depth, 125 mm flange width, 54.2 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
IPN 300 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 | 36.42 lb/ft | 54.20 kg/m |
| Depth, d | 11.81 in | 300.00 mm |
| Flange width, bf | 4.92 in | 125.00 mm |
| tw | 0.425 in | 10.800 mm |
| tf | 0.638 in | 16.200 mm |
| Area | 10.70 in² | 6,900.00 mm² |
| Ix | 235.45 in⁴ | 98,000,000 mm⁴ |
| Iy | 10.84 in⁴ | 4,510,000 mm⁴ |
| Sx | 39.85 in³ | 653,000.00 mm³ |
| Sy | 4.41 in³ | 72,200.00 mm³ |
| Zx | 46.50 in³ | 762,000.00 mm³ |
| Zy | 7.38 in³ | 121,000.00 mm³ |
| rx | 4.69 in | 119.00 mm |
| ry | 1.02 in | 26.00 mm |
| J | 1.36 in⁴ | 568,000.00 mm⁴ |
| Cw | 341.85 in⁶ | 91,800,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus IPN 300.
Lighter in IPN taper flange beams
IPN 280
- Weight
- 47.9 kg/m (-12%)
- Depth
- 280.0 mm (-6.7%)
- Ix
- 75,900,000 mm⁴ (-23%)
Heavier in IPN taper flange beams
IPN 320
- Weight
- 61.0 kg/m (+13%)
- Depth
- 320.0 mm (+6.7%)
- Ix
- 125,100,000 mm⁴ (+28%)
Another Iₓ option in IPN taper flange beams
IPN 260
- Weight
- 41.9 kg/m (-23%)
- Depth
- 260.0 mm (-13%)
- Ix
- 57,400,000 mm⁴ (-41%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · EN 10365:2017 · Methodology