Steel Beam Sizes / UK / SHS / SHS 300×300×6.3
SHS 300×300×6.3 Dimensions, Weight and Section Properties
UK Square hollow sections · v2023.11
SHS 300×300×6.3: 57.8 kg/m weight. View the full dimensions and properties in imperial and metric units below.
Need this steel supplied or fabricated?
Request project pricing for delivery in the United States or Canada.
Get a steel quote →Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
SHS 300×300×6.3 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 | 38.84 lb/ft | 57.80 kg/m |
| Height | 11.81 in | 300.00 mm |
| Width | 11.81 in | 300.00 mm |
| t | 0.248 in | 6.300 mm |
| Area | 11.41 in² | 7,360.00 mm² |
| Ix | 252.26 in⁴ | 105,000,000 mm⁴ |
| Iy | 252.26 in⁴ | 105,000,000 mm⁴ |
| Sx | 42.90 in³ | 703,000.00 mm³ |
| Sy | 42.90 in³ | 703,000.00 mm³ |
| Zx | 49.37 in³ | 809,000.00 mm³ |
| Zy | 49.37 in³ | 809,000.00 mm³ |
| rx | 4.72 in | 120.00 mm |
| ry | 4.72 in | 120.00 mm |
| J | 386.80 in⁴ | 161,000,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus SHS 300×300×6.3.
Lighter in Square hollow sections
SHS 220×220×8.8
- Weight
- 57.7 kg/m (-0.2%)
- Depth
- 220.0 mm (-27%)
- Ix
- 54,300,000 mm⁴ (-48%)
Heavier in Square hollow sections
SHS 200×200×10
- Weight
- 58.8 kg/m (+1.7%)
- Depth
- 200.0 mm (-33%)
- Ix
- 44,700,000 mm⁴ (-57%)
Another Iₓ option in Square hollow sections
SHS 260×260×10
- Weight
- 77.7 kg/m (+34%)
- Depth
- 260.0 mm (-13%)
- Ix
- 102,000,000 mm⁴ (-2.9%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology