Steel Beam Sizes / Europe / HE Sections / HE 300 C
HE 300 C Steel Beam Dimensions and Properties
EN HE wide flange sections · v2026.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
HE 300 C 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 | 118.94 lb/ft | 177.00 kg/m |
| Depth, d | 12.60 in | 320.00 mm |
| Flange width, bf | 12.01 in | 305.00 mm |
| tw | 0.630 in | 16.000 mm |
| tf | 1.142 in | 29.000 mm |
| Area | 34.88 in² | 22,500.00 mm² |
| Ix | 985.03 in⁴ | 410,000,000 mm⁴ |
| Iy | 329.14 in⁴ | 137,000,000 mm⁴ |
| Sx | 156.22 in³ | 2,560,000 mm³ |
| Sy | 54.98 in³ | 901,000.00 mm³ |
| Zx | 178.80 in³ | 2,930,000 mm³ |
| Zy | 83.60 in³ | 1,370,000 mm³ |
| rx | 5.31 in | 135.00 mm |
| ry | 3.07 in | 78.10 mm |
| J | 14.51 in⁴ | 6,040,000 mm⁴ |
| Cw | 10,799.30 in⁶ | 2,900,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HE 300 C.
Lighter in HE wide flange sections
HE 260 M
- Weight
- 172.0 kg/m (-2.8%)
- Depth
- 290.0 mm (-9.4%)
- Ix
- 313,000,000 mm⁴ (-24%)
Heavier in HE wide flange sections
HE 600 A
- Weight
- 178.0 kg/m (+0.6%)
- Depth
- 590.0 mm (+84%)
- Ix
- 1,410,000,000 mm⁴ (+244%)
Closest Iₓ in HE wide flange sections
HE 450 AA
- Weight
- 99.7 kg/m (-44%)
- Depth
- 425.0 mm (+33%)
- Ix
- 419,000,000 mm⁴ (+2.2%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology