Steel Beam Sizes / UK / RHS / RHS 200×120×8

RHS 200×120×8 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 200×120×8 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 25.27 lb/ft 37.60 kg/m
Height 7.87 in 200.00 mm
Width 4.72 in 120.00 mm
t 0.315 in 8.000 mm
Area 7.44 in² 4,800.00 mm²
Ix 60.78 in⁴ 25,300,000 mm⁴
Iy 27.15 in⁴ 11,300,000 mm⁴
Sx 15.44 in³ 253,000.00 mm³
Sy 11.47 in³ 188,000.00 mm³
Zx 19.10 in³ 313,000.00 mm³
Zy 13.30 in³ 218,000.00 mm³
rx 2.86 in 72.60 mm
ry 1.91 in 48.50 mm
J 60.06 in⁴ 25,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 200×120×8.

Lighter in Rectangular hollow sections

RHS 200×150×7.1

Weight
37.0 kg/m (-1.6%)
Depth
200.0 mm (0.0%)
Ix
26,800,000 mm⁴ (+5.9%)

Heavier in Rectangular hollow sections

RHS 250×150×6.3

Weight
38.0 kg/m (+1.1%)
Depth
250.0 mm (+25%)
Ix
41,400,000 mm⁴ (+64%)

Closest Iₓ in Rectangular hollow sections

RHS 180×100×14.2

Weight
54.4 kg/m (+45%)
Depth
180.0 mm (-10%)
Ix
25,900,000 mm⁴ (+2.4%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology