Steel Beam Sizes / UK / RHS / RHS 200×150×12.5

RHS 200×150×12.5 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 200×150×12.5 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 42.00 lb/ft 62.50 kg/m
Height 7.87 in 200.00 mm
Width 5.91 in 150.00 mm
t 0.492 in 12.500 mm
Area 12.34 in² 7,960.00 mm²
Ix 101.87 in⁴ 42,400,000 mm⁴
Iy 64.15 in⁴ 26,700,000 mm⁴
Sx 25.87 in³ 424,000.00 mm³
Sy 21.72 in³ 356,000.00 mm³
Zx 32.04 in³ 525,000.00 mm³
Zy 26.12 in³ 428,000.00 mm³
rx 2.87 in 73.00 mm
ry 2.28 in 58.00 mm
J 127.09 in⁴ 52,900,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 200×150×12.5.

Lighter in Rectangular hollow sections

RHS 220×120×12.5

Weight
60.5 kg/m (-3.2%)
Depth
220.0 mm (+10.0%)
Ix
45,600,000 mm⁴ (+7.5%)

Heavier in Rectangular hollow sections

RHS 200×120×14.2

Weight
63.3 kg/m (+1.3%)
Depth
200.0 mm (0.0%)
Ix
39,100,000 mm⁴ (-7.8%)

Closest Iₓ in Rectangular hollow sections

RHS 200×120×16

Weight
70.2 kg/m (+12%)
Depth
200.0 mm (0.0%)
Ix
42,200,000 mm⁴ (-0.5%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology