Steel Beam Sizes / Europe / RHS / RHS 300×200×8.8
RHS 300×200×8.8 Steel Beam Dimensions and Properties
EN Rectangular hollow sections · v2026.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
RHS 300×200×8.8 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 | 44.35 lb/ft | 66.00 kg/m |
| Height | 11.81 in | 300.00 mm |
| Width | 7.87 in | 200.00 mm |
| t | 0.346 in | 8.800 mm |
| Area | 13.04 in² | 8,410.00 mm² |
| Ix | 254.67 in⁴ | 106,000,000 mm⁴ |
| Iy | 135.26 in⁴ | 56,300,000 mm⁴ |
| Sx | 43.02 in³ | 705,000.00 mm³ |
| Sy | 34.36 in³ | 563,000.00 mm³ |
| Zx | 51.93 in³ | 851,000.00 mm³ |
| Zy | 39.24 in³ | 643,000.00 mm³ |
| rx | 4.41 in | 112.00 mm |
| ry | 3.22 in | 81.80 mm |
| J | 276.29 in⁴ | 115,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 300×200×8.8.
Lighter in Rectangular hollow sections
RHS 200×100×16
- Weight
- 65.2 kg/m (-1.2%)
- Depth
- 200.0 mm (-33%)
- Ix
- 36,800,000 mm⁴ (-65%)
Heavier in Rectangular hollow sections
RHS 300×250×8
- Weight
- 66.5 kg/m (+0.8%)
- Depth
- 300.0 mm (0.0%)
- Ix
- 114,000,000 mm⁴ (+7.5%)
Closest Iₓ in Rectangular hollow sections
RHS 350×150×7.1
- Weight
- 53.7 kg/m (-19%)
- Depth
- 350.0 mm (+17%)
- Ix
- 106,000,000 mm⁴ (0.0%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology