Steel Beam Sizes / UK / RHS / RHS 300×200×7.1

RHS 300×200×7.1 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 300×200×7.1 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 11.81 in 300.00 mm
Width 7.87 in 200.00 mm
t 0.280 in 7.100 mm
Area 10.60 in² 6,840.00 mm²
Ix 209.74 in⁴ 87,300,000 mm⁴
Iy 112.20 in⁴ 46,700,000 mm⁴
Sx 35.52 in³ 582,000.00 mm³
Sy 28.50 in³ 467,000.00 mm³
Zx 42.59 in³ 698,000.00 mm³
Zy 32.22 in³ 528,000.00 mm³
rx 4.45 in 113.00 mm
ry 3.25 in 82.60 mm
J 227.52 in⁴ 94,700,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 300×200×7.1.

Lighter in Rectangular hollow sections

RHS 300×250×6.3

Weight
52.8 kg/m (-1.7%)
Depth
300.0 mm (0.0%)
Ix
91,900,000 mm⁴ (+5.3%)

Heavier in Rectangular hollow sections

RHS 220×120×11

Weight
53.9 kg/m (+0.4%)
Depth
220.0 mm (-27%)
Ix
41,400,000 mm⁴ (-53%)

Closest Iₓ in Rectangular hollow sections

RHS 250×150×16

Weight
90.3 kg/m (+68%)
Depth
250.0 mm (-17%)
Ix
88,800,000 mm⁴ (+1.7%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology