Steel Beam Sizes / Europe / SHS / SHS 180×180×12.5
SHS 180×180×12.5 Steel Beam Dimensions and Properties
EN Square hollow sections · v2026.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
SHS 180×180×12.5 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 | 43.27 lb/ft | 64.40 kg/m |
| Height | 7.09 in | 180.00 mm |
| Width | 7.09 in | 180.00 mm |
| t | 0.492 in | 12.500 mm |
| Area | 12.73 in² | 8,210.00 mm² |
| Ix | 91.06 in⁴ | 37,900,000 mm⁴ |
| Iy | 91.06 in⁴ | 37,900,000 mm⁴ |
| Sx | 25.69 in³ | 421,000.00 mm³ |
| Sy | 25.69 in³ | 421,000.00 mm³ |
| Zx | 31.18 in³ | 511,000.00 mm³ |
| Zy | 31.18 in³ | 511,000.00 mm³ |
| rx | 2.68 in | 68.00 mm |
| ry | 2.68 in | 68.00 mm |
| J | 145.83 in⁴ | 60,700,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus SHS 180×180×12.5.
Lighter in Square hollow sections
SHS 200×200×11
- Weight
- 64.3 kg/m (-0.2%)
- Depth
- 200.0 mm (+11%)
- Ix
- 48,300,000 mm⁴ (+27%)
Heavier in Square hollow sections
SHS 300×300×7.1
- Weight
- 64.9 kg/m (+0.8%)
- Depth
- 300.0 mm (+67%)
- Ix
- 118,000,000 mm⁴ (+211%)
Closest Iₓ in Square hollow sections
SHS 200×200×8
- Weight
- 47.7 kg/m (-26%)
- Depth
- 200.0 mm (+11%)
- Ix
- 37,100,000 mm⁴ (-2.1%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology