Steel Beam Sizes / Europe / HE Sections / HE 120 C
HE 120 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 120 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 | 26.34 lb/ft | 39.20 kg/m |
| Depth, d | 5.12 in | 130.00 mm |
| Flange width, bf | 4.84 in | 123.00 mm |
| tw | 0.374 in | 9.500 mm |
| tf | 0.630 in | 16.000 mm |
| Area | 7.73 in² | 4,990.00 mm² |
| Ix | 33.39 in⁴ | 13,900,000 mm⁴ |
| Iy | 11.96 in⁴ | 4,980,000 mm⁴ |
| Sx | 13.06 in³ | 214,000.00 mm³ |
| Sy | 4.94 in³ | 81,000.00 mm³ |
| Zx | 15.44 in³ | 253,000.00 mm³ |
| Zy | 7.57 in³ | 124,000.00 mm³ |
| rx | 2.07 in | 52.70 mm |
| ry | 1.24 in | 31.60 mm |
| J | 0.98 in⁴ | 407,000.00 mm⁴ |
| Cw | 59.95 in⁶ | 16,100,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HE 120 C.
Lighter in HE wide flange sections
HE 180 A
- Weight
- 35.5 kg/m (-9.4%)
- Depth
- 171.0 mm (+32%)
- Ix
- 25,100,000 mm⁴ (+81%)
Heavier in HE wide flange sections
HE 220 AA
- Weight
- 40.4 kg/m (+3.1%)
- Depth
- 205.0 mm (+58%)
- Ix
- 41,700,000 mm⁴ (+200%)
Closest Iₓ in HE wide flange sections
HE 160 AA
- Weight
- 23.8 kg/m (-39%)
- Depth
- 148.0 mm (+14%)
- Ix
- 12,800,000 mm⁴ (-7.9%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology