Steel Beam Sizes / UK / RHS / RHS 400×150×6.3

RHS 400×150×6.3 Steel Beam Dimensions and Properties

UK Rectangular hollow sections · v2023.11

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Diagram, properties emphasis, and nearby alternatives use the selected unit system.

Units

Section diagram

RHS 400×150×6.3 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 35.48 lb/ft 52.80 kg/m
Height 15.75 in 400.00 mm
Width 5.91 in 150.00 mm
t 0.248 in 6.300 mm
Area 10.43 in² 6,730.00 mm²
Ix 319.53 in⁴ 133,000,000 mm⁴
Iy 68.47 in⁴ 28,500,000 mm⁴
Sx 40.46 in³ 663,000.00 mm³
Sy 23.19 in³ 380,000.00 mm³
Zx 51.02 in³ 836,000.00 mm³
Zy 25.51 in³ 418,000.00 mm³
rx 5.51 in 140.00 mm
ry 2.56 in 65.10 mm
J 182.59 in⁴ 76,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 400×150×6.3.

Lighter in Rectangular hollow sections

RHS 200×100×12.5

Weight
52.7 kg/m (-0.2%)
Depth
200.0 mm (-50%)
Ix
31,400,000 mm⁴ (-76%)

Heavier in Rectangular hollow sections

RHS 300×200×7.1

Weight
53.7 kg/m (+1.7%)
Depth
300.0 mm (-25%)
Ix
87,300,000 mm⁴ (-34%)

Closest Iₓ in Rectangular hollow sections

RHS 350×250×6.3

Weight
57.8 kg/m (+9.5%)
Depth
350.0 mm (-12%)
Ix
132,000,000 mm⁴ (-0.8%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology