Steel Beam Sizes / Europe / RHS / RHS 500×300×8.8

RHS 500×300×8.8 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 500×300×8.8 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 71.90 lb/ft 107.00 kg/m
Height 19.69 in 500.00 mm
Width 11.81 in 300.00 mm
t 0.346 in 8.800 mm
Area 21.24 in² 13,700.00 mm²
Ix 1,148.40 in⁴ 478,000,000 mm⁴
Iy 523.75 in⁴ 218,000,000 mm⁴
Sx 116.56 in³ 1,910,000 mm³
Sy 88.48 in³ 1,450,000 mm³
Zx 140.35 in³ 2,300,000 mm³
Zy 98.86 in³ 1,620,000 mm³
rx 7.36 in 187.00 mm
ry 4.96 in 126.00 mm
J 1,119.57 in⁴ 466,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 500×300×8.8.

Lighter in Rectangular hollow sections

RHS 400×300×10

Weight
106.0 kg/m (-0.9%)
Depth
400.0 mm (-20%)
Ix
315,000,000 mm⁴ (-34%)

Heavier in Rectangular hollow sections

RHS 350×250×12.5

Weight
112.0 kg/m (+4.7%)
Depth
350.0 mm (-30%)
Ix
244,000,000 mm⁴ (-49%)

Closest Iₓ in Rectangular hollow sections

RHS 400×300×16

Weight
166.0 kg/m (+55%)
Depth
400.0 mm (-20%)
Ix
475,000,000 mm⁴ (-0.6%)
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Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology