Steel Beam Sizes / Europe / HE Sections / HE 900 AA
HE 900 AA Dimensions, Weight and Section Properties
EN HE wide flange sections · v2026.1
HE 900 AA: 870 mm depth, 300 mm flange width, 198 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
HE 900 AA 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 | 133.05 lb/ft | 198.00 kg/m |
| Depth, d | 34.25 in | 870.00 mm |
| Flange width, bf | 11.81 in | 300.00 mm |
| tw | 0.591 in | 15.000 mm |
| tf | 0.787 in | 20.000 mm |
| Area | 39.06 in² | 25,200.00 mm² |
| Ix | 7,231.55 in⁴ | 3,010,000,000 mm⁴ |
| Iy | 217.19 in⁴ | 90,400,000 mm⁴ |
| Sx | 422.28 in³ | 6,920,000 mm³ |
| Sy | 36.80 in³ | 603,000.00 mm³ |
| Zx | 488.19 in³ | 8,000,000 mm³ |
| Zy | 58.46 in³ | 958,000.00 mm³ |
| rx | 13.62 in | 346.00 mm |
| ry | 2.36 in | 59.90 mm |
| J | 7.74 in⁴ | 3,220,000 mm⁴ |
| Cw | 60,699.53 in⁶ | 16,300,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus HE 900 AA.
Lighter in HE wide flange sections
HE 650 A
- Weight
- 190.0 kg/m (-4.0%)
- Depth
- 640.0 mm (-26%)
- Ix
- 1,750,000,000 mm⁴ (-42%)
Heavier in HE wide flange sections
HE 550 B
- Weight
- 199.0 kg/m (+0.5%)
- Depth
- 550.0 mm (-37%)
- Ix
- 1,370,000,000 mm⁴ (-54%)
Another Iₓ option in HE wide flange sections
HE 800 A
- Weight
- 224.0 kg/m (+13%)
- Depth
- 790.0 mm (-9.2%)
- Ix
- 3,030,000,000 mm⁴ (+0.7%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology