Steel Beam Sizes / Europe / RHS / RHS 350×150×5

RHS 350×150×5 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 350×150×5 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 25.74 lb/ft 38.30 kg/m
Height 13.78 in 350.00 mm
Width 5.91 in 150.00 mm
t 0.197 in 5.000 mm
Area 7.55 in² 4,870.00 mm²
Ix 184.03 in⁴ 76,600,000 mm⁴
Iy 49.25 in⁴ 20,500,000 mm⁴
Sx 26.67 in³ 437,000.00 mm³
Sy 16.72 in³ 274,000.00 mm³
Zx 33.14 in³ 543,000.00 mm³
Zy 18.37 in³ 301,000.00 mm³
rx 4.92 in 125.00 mm
ry 2.56 in 64.90 mm
J 123.97 in⁴ 51,600,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 350×150×5.

Lighter in Rectangular hollow sections

RHS 250×150×6.3

Weight
38.0 kg/m (-0.8%)
Depth
250.0 mm (-29%)
Ix
41,400,000 mm⁴ (-46%)

Heavier in Rectangular hollow sections

RHS 150×100×11

Weight
38.4 kg/m (+0.3%)
Depth
150.0 mm (-57%)
Ix
13,700,000 mm⁴ (-82%)

Closest Iₓ in Rectangular hollow sections

RHS 300×100×10

Weight
58.8 kg/m (+54%)
Depth
300.0 mm (-14%)
Ix
76,100,000 mm⁴ (-0.7%)
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Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology