Steel Beam Sizes / UK / RHS / RHS 180×100×10

RHS 180×100×10 Steel Beam Dimensions and Properties

UK Rectangular hollow sections · v2023.11

Analyze in Beam Calculator Back to RHS

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

Units

Section diagram

RHS 180×100×10 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 26.88 lb/ft 40.00 kg/m
Height 7.09 in 180.00 mm
Width 3.94 in 100.00 mm
t 0.394 in 10.000 mm
Area 7.89 in² 5,090.00 mm²
Ix 49.01 in⁴ 20,400,000 mm⁴
Iy 18.91 in⁴ 7,870,000 mm⁴
Sx 13.79 in³ 226,000.00 mm³
Sy 9.58 in³ 157,000.00 mm³
Zx 17.57 in³ 288,000.00 mm³
Zy 11.47 in³ 188,000.00 mm³
rx 2.49 in 63.20 mm
ry 1.55 in 39.30 mm
J 44.69 in⁴ 18,600,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 180×100×10.

Lighter in Rectangular hollow sections

RHS 150×100×11

Weight
38.4 kg/m (-4.0%)
Depth
150.0 mm (-17%)
Ix
13,700,000 mm⁴ (-33%)

Heavier in Rectangular hollow sections

RHS 220×120×8

Weight
40.2 kg/m (+0.5%)
Depth
220.0 mm (+22%)
Ix
32,000,000 mm⁴ (+57%)

Closest Iₓ in Rectangular hollow sections

RHS 200×100×7.1

Weight
31.4 kg/m (-21%)
Depth
200.0 mm (+11%)
Ix
20,200,000 mm⁴ (-1.0%)
Analyze in Beam Calculator Compare in RHS finder

Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology