Steel Beam Sizes / Europe / RHS / RHS 300×250×6.3

RHS 300×250×6.3 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 300×250×6.3 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 11.81 in 300.00 mm
Width 9.84 in 250.00 mm
t 0.248 in 6.300 mm
Area 10.43 in² 6,730.00 mm²
Ix 220.79 in⁴ 91,900,000 mm⁴
Iy 166.97 in⁴ 69,500,000 mm⁴
Sx 37.41 in³ 613,000.00 mm³
Sy 33.93 in³ 556,000.00 mm³
Zx 43.69 in³ 716,000.00 mm³
Zy 38.63 in³ 633,000.00 mm³
rx 4.61 in 117.00 mm
ry 4.02 in 102.00 mm
J 293.11 in⁴ 122,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 300×250×6.3.

Lighter in Rectangular hollow sections

RHS 200×100×12.5

Weight
52.7 kg/m (-0.2%)
Depth
200.0 mm (-33%)
Ix
31,400,000 mm⁴ (-66%)

Heavier in Rectangular hollow sections

RHS 300×200×7.1

Weight
53.7 kg/m (+1.7%)
Depth
300.0 mm (0.0%)
Ix
87,300,000 mm⁴ (-5.0%)

Closest Iₓ in Rectangular hollow sections

RHS 300×100×12.5

Weight
72.3 kg/m (+37%)
Depth
300.0 mm (0.0%)
Ix
91,000,000 mm⁴ (-1.0%)
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Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology