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RHS 300×100×16 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 300×100×16 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 60.68 lb/ft 90.30 kg/m
Height 11.81 in 300.00 mm
Width 3.94 in 100.00 mm
t 0.630 in 16.000 mm
Area 17.83 in² 11,500.00 mm²
Ix 261.87 in⁴ 109,000,000 mm⁴
Iy 41.32 in⁴ 17,200,000 mm⁴
Sx 44.49 in³ 729,000.00 mm³
Sy 20.99 in³ 344,000.00 mm³
Zx 60.17 in³ 986,000.00 mm³
Zy 25.94 in³ 425,000.00 mm³
rx 3.84 in 97.50 mm
ry 1.52 in 38.70 mm
J 123.49 in⁴ 51,400,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 300×100×16.

Lighter in Rectangular hollow sections

RHS 300×250×11

Weight
90.2 kg/m (-0.1%)
Depth
300.0 mm (0.0%)
Ix
151,000,000 mm⁴ (+39%)

Heavier in Rectangular hollow sections

RHS 300×200×12.5

Weight
91.9 kg/m (+1.8%)
Depth
300.0 mm (0.0%)
Ix
143,000,000 mm⁴ (+31%)

Closest Iₓ in Rectangular hollow sections

RHS 300×200×8.8

Weight
66.0 kg/m (-27%)
Depth
300.0 mm (0.0%)
Ix
106,000,000 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