Steel Beam Sizes / UK / RHS / RHS 350×250×16

RHS 350×250×16 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 350×250×16 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 94.75 lb/ft 141.00 kg/m
Height 13.78 in 350.00 mm
Width 9.84 in 250.00 mm
t 0.630 in 16.000 mm
Area 27.75 in² 17,900.00 mm²
Ix 720.75 in⁴ 300,000,000 mm⁴
Iy 425.24 in⁴ 177,000,000 mm⁴
Sx 104.96 in³ 1,720,000 mm³
Sy 86.04 in³ 1,410,000 mm³
Zx 128.15 in³ 2,100,000 mm³
Zy 101.30 in³ 1,660,000 mm³
rx 5.08 in 129.00 mm
ry 3.91 in 99.30 mm
J 848.09 in⁴ 353,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 350×250×16.

Lighter in Rectangular hollow sections

RHS 500×300×11

Weight
133.0 kg/m (-5.7%)
Depth
500.0 mm (+43%)
Ix
586,000,000 mm⁴ (+95%)

Heavier in Rectangular hollow sections

RHS 400×300×14.2

Weight
148.0 kg/m (+5.0%)
Depth
400.0 mm (+14%)
Ix
430,000,000 mm⁴ (+43%)

Closest Iₓ in Rectangular hollow sections

RHS 450×250×8

Weight
85.4 kg/m (-39%)
Depth
450.0 mm (+29%)
Ix
301,000,000 mm⁴ (+0.3%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology