Steel Beam Sizes / UK / RHS / RHS 350×250×6.3

RHS 350×250×6.3 Steel Beam Dimensions and Properties

UK Rectangular hollow sections · v2023.11

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

Units

Section diagram

RHS 350×250×6.3 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 38.84 lb/ft 57.80 kg/m
Height 13.78 in 350.00 mm
Width 9.84 in 250.00 mm
t 0.248 in 6.300 mm
Area 11.41 in² 7,360.00 mm²
Ix 317.13 in⁴ 132,000,000 mm⁴
Iy 189.32 in⁴ 78,800,000 mm⁴
Sx 46.01 in³ 754,000.00 mm³
Sy 38.51 in³ 631,000.00 mm³
Zx 54.43 in³ 892,000.00 mm³
Zy 43.27 in³ 709,000.00 mm³
rx 5.28 in 134.00 mm
ry 4.09 in 104.00 mm
J 365.18 in⁴ 152,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 350×250×6.3.

Lighter in Rectangular hollow sections

RHS 260×180×8.8

Weight
57.7 kg/m (-0.2%)
Depth
260.0 mm (-26%)
Ix
69,400,000 mm⁴ (-47%)

Heavier in Rectangular hollow sections

RHS 250×150×10

Weight
58.8 kg/m (+1.7%)
Depth
250.0 mm (-29%)
Ix
61,700,000 mm⁴ (-53%)

Closest Iₓ in Rectangular hollow sections

RHS 400×150×6.3

Weight
52.8 kg/m (-8.7%)
Depth
400.0 mm (+14%)
Ix
133,000,000 mm⁴ (+0.8%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology