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RHS 400×150×11 Steel Beam Dimensions and Properties

EN Rectangular hollow sections · v2026.1

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

Units

Section diagram

RHS 400×150×11 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 60.61 lb/ft 90.20 kg/m
Height 15.75 in 400.00 mm
Width 5.91 in 150.00 mm
t 0.433 in 11.000 mm
Area 17.83 in² 11,500.00 mm²
Ix 523.75 in⁴ 218,000,000 mm⁴
Iy 109.55 in⁴ 45,600,000 mm⁴
Sx 66.52 in³ 1,090,000 mm³
Sy 37.16 in³ 609,000.00 mm³
Zx 85.43 in³ 1,400,000 mm³
Zy 42.17 in³ 691,000.00 mm³
rx 5.43 in 138.00 mm
ry 2.48 in 63.00 mm
J 297.91 in⁴ 124,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 400×150×11.

Lighter in Rectangular hollow sections

RHS 260×180×14.2

Weight
90.1 kg/m (-0.1%)
Depth
260.0 mm (-35%)
Ix
103,000,000 mm⁴ (-53%)

Heavier in Rectangular hollow sections

RHS 250×150×16

Weight
90.3 kg/m (+0.1%)
Depth
250.0 mm (-37%)
Ix
88,800,000 mm⁴ (-59%)

Closest Iₓ in Rectangular hollow sections

RHS 350×250×11

Weight
98.8 kg/m (+9.5%)
Depth
350.0 mm (-12%)
Ix
219,000,000 mm⁴ (+0.5%)
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Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology