Steel Beam Sizes / Europe / RHS / RHS 300×200×5.6
RHS 300×200×5.6 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 300×200×5.6 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 | 28.69 lb/ft | 42.70 kg/m |
| Height | 11.81 in | 300.00 mm |
| Width | 7.87 in | 200.00 mm |
| t | 0.220 in | 5.600 mm |
| Area | 8.43 in² | 5,440.00 mm² |
| Ix | 168.66 in⁴ | 70,200,000 mm⁴ |
| Iy | 90.57 in⁴ | 37,700,000 mm⁴ |
| Sx | 28.56 in³ | 468,000.00 mm³ |
| Sy | 23.01 in³ | 377,000.00 mm³ |
| Zx | 34.05 in³ | 558,000.00 mm³ |
| Zy | 25.81 in³ | 423,000.00 mm³ |
| rx | 4.49 in | 114.00 mm |
| ry | 3.28 in | 83.20 mm |
| J | 182.35 in⁴ | 75,900,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 300×200×5.6.
Lighter in Rectangular hollow sections
RHS 250×150×7.1
- Weight
- 42.6 kg/m (-0.2%)
- Depth
- 250.0 mm (-17%)
- Ix
- 46,100,000 mm⁴ (-34%)
Heavier in Rectangular hollow sections
RHS 150×100×12.5
- Weight
- 42.8 kg/m (+0.2%)
- Depth
- 150.0 mm (-50%)
- Ix
- 14,900,000 mm⁴ (-79%)
Closest Iₓ in Rectangular hollow sections
RHS 260×140×11
- Weight
- 64.3 kg/m (+51%)
- Depth
- 260.0 mm (-13%)
- Ix
- 70,200,000 mm⁴ (0.0%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology