Steel Beam Sizes / Europe / RHS / RHS 300×100×14.2

RHS 300×100×14.2 Steel Beam Dimensions and Properties

EN Rectangular hollow sections · v2026.1

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

Units

Section diagram

RHS 300×100×14.2 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 54.50 lb/ft 81.10 kg/m
Height 11.81 in 300.00 mm
Width 3.94 in 100.00 mm
t 0.559 in 14.200 mm
Area 15.97 in² 10,300.00 mm²
Ix 240.25 in⁴ 100,000,000 mm⁴
Iy 38.68 in⁴ 16,100,000 mm⁴
Sx 40.82 in³ 669,000.00 mm³
Sy 19.59 in³ 321,000.00 mm³
Zx 54.68 in³ 896,000.00 mm³
Zy 23.80 in³ 390,000.00 mm³
rx 3.88 in 98.50 mm
ry 1.55 in 39.40 mm
J 114.36 in⁴ 47,600,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 300×100×14.2.

Lighter in Rectangular hollow sections

RHS 260×180×12.5

Weight
80.1 kg/m (-1.2%)
Depth
260.0 mm (-13%)
Ix
93,000,000 mm⁴ (-7.0%)

Heavier in Rectangular hollow sections

RHS 300×200×11

Weight
81.5 kg/m (+0.5%)
Depth
300.0 mm (0.0%)
Ix
128,000,000 mm⁴ (+28%)

Closest Iₓ in Rectangular hollow sections

RHS 300×200×8

Weight
60.3 kg/m (-26%)
Depth
300.0 mm (0.0%)
Ix
97,200,000 mm⁴ (-2.8%)
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Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology