Steel Beam Sizes / UK / RHS / RHS 450×150×11

RHS 450×150×11 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 450×150×11 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 66.39 lb/ft 98.80 kg/m
Height 17.72 in 450.00 mm
Width 5.91 in 150.00 mm
t 0.433 in 11.000 mm
Area 19.53 in² 12,600.00 mm²
Ix 711.14 in⁴ 296,000,000 mm⁴
Iy 122.53 in⁴ 51,000,000 mm⁴
Sx 80.55 in³ 1,320,000 mm³
Sy 41.50 in³ 680,000.00 mm³
Zx 103.74 in³ 1,700,000 mm³
Zy 46.87 in³ 768,000.00 mm³
rx 6.02 in 153.00 mm
ry 2.50 in 63.60 mm
J 345.96 in⁴ 144,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 450×150×11.

Lighter in Rectangular hollow sections

RHS 500×300×8

Weight
97.9 kg/m (-0.9%)
Depth
500.0 mm (+11%)
Ix
437,000,000 mm⁴ (+48%)

Heavier in Rectangular hollow sections

RHS 260×180×16

Weight
100.0 kg/m (+1.2%)
Depth
260.0 mm (-42%)
Ix
112,000,000 mm⁴ (-62%)

Closest Iₓ in Rectangular hollow sections

RHS 400×150×16

Weight
128.0 kg/m (+30%)
Depth
400.0 mm (-11%)
Ix
298,000,000 mm⁴ (+0.7%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology