Steel Beam Sizes / UK / RHS / RHS 350×150×7.1

RHS 350×150×7.1 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 350×150×7.1 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 36.08 lb/ft 53.70 kg/m
Height 13.78 in 350.00 mm
Width 5.91 in 150.00 mm
t 0.280 in 7.100 mm
Area 10.60 in² 6,840.00 mm²
Ix 254.67 in⁴ 106,000,000 mm⁴
Iy 67.27 in⁴ 28,000,000 mm⁴
Sx 36.86 in³ 604,000.00 mm³
Sy 22.82 in³ 374,000.00 mm³
Zx 46.13 in³ 756,000.00 mm³
Zy 25.39 in³ 416,000.00 mm³
rx 4.88 in 124.00 mm
ry 2.52 in 64.00 mm
J 171.06 in⁴ 71,200,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 350×150×7.1.

Lighter in Rectangular hollow sections

RHS 300×250×6.3

Weight
52.8 kg/m (-1.7%)
Depth
300.0 mm (-14%)
Ix
91,900,000 mm⁴ (-13%)

Heavier in Rectangular hollow sections

RHS 220×120×11

Weight
53.9 kg/m (+0.4%)
Depth
220.0 mm (-37%)
Ix
41,400,000 mm⁴ (-61%)

Closest Iₓ in Rectangular hollow sections

RHS 300×200×8.8

Weight
66.0 kg/m (+23%)
Depth
300.0 mm (-14%)
Ix
106,000,000 mm⁴ (0.0%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology