Steel Beam Sizes / UK / RHS / RHS 250×150×12.5

RHS 250×150×12.5 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 250×150×12.5 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 48.58 lb/ft 72.30 kg/m
Height 9.84 in 250.00 mm
Width 5.91 in 150.00 mm
t 0.492 in 12.500 mm
Area 14.28 in² 9,210.00 mm²
Ix 177.55 in⁴ 73,900,000 mm⁴
Iy 78.32 in⁴ 32,600,000 mm⁴
Sx 36.07 in³ 591,000.00 mm³
Sy 26.55 in³ 435,000.00 mm³
Zx 45.16 in³ 740,000.00 mm³
Zy 31.37 in³ 514,000.00 mm³
rx 3.53 in 89.60 mm
ry 2.35 in 59.60 mm
J 176.10 in⁴ 73,300,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 250×150×12.5.

Lighter in Rectangular hollow sections

RHS 260×180×11

Weight
71.2 kg/m (-1.5%)
Depth
260.0 mm (+4.0%)
Ix
83,800,000 mm⁴ (+13%)

Heavier in Rectangular hollow sections

RHS 350×250×8

Weight
72.8 kg/m (+0.7%)
Depth
350.0 mm (+40%)
Ix
164,000,000 mm⁴ (+122%)

Closest Iₓ in Rectangular hollow sections

RHS 300×100×10

Weight
58.8 kg/m (-19%)
Depth
300.0 mm (+20%)
Ix
76,100,000 mm⁴ (+3.0%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology