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RHS 500×300×16 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 500×300×16 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 128.35 lb/ft 191.00 kg/m
Height 19.69 in 500.00 mm
Width 11.81 in 300.00 mm
t 0.630 in 16.000 mm
Area 37.67 in² 24,300.00 mm²
Ix 1,965.25 in⁴ 818,000,000 mm⁴
Iy 884.12 in⁴ 368,000,000 mm⁴
Sx 199.55 in³ 3,270,000 mm³
Sy 149.51 in³ 2,450,000 mm³
Zx 244.09 in³ 4,000,000 mm³
Zy 170.87 in³ 2,800,000 mm³
rx 7.20 in 183.00 mm
ry 4.84 in 123.00 mm
J 1,929.22 in⁴ 803,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 500×300×16.

Lighter in Rectangular hollow sections

RHS 500×300×14.2

Weight
170.0 kg/m (-11%)
Depth
500.0 mm (0.0%)
Ix
737,000,000 mm⁴ (-9.9%)

Closest Iₓ in Rectangular hollow sections

RHS 500×300×12.5

Weight
151.0 kg/m (-21%)
Depth
500.0 mm (0.0%)
Ix
658,000,000 mm⁴ (-20%)
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Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology