Steel Beam Sizes / UK / RHS / RHS 350×150×6.3

RHS 350×150×6.3 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 350×150×6.3 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 32.19 lb/ft 47.90 kg/m
Height 13.78 in 350.00 mm
Width 5.91 in 150.00 mm
t 0.248 in 6.300 mm
Area 9.46 in² 6,100.00 mm²
Ix 227.76 in⁴ 94,800,000 mm⁴
Iy 60.54 in⁴ 25,200,000 mm⁴
Sx 33.07 in³ 542,000.00 mm³
Sy 20.57 in³ 337,000.00 mm³
Zx 41.25 in³ 676,000.00 mm³
Zy 22.76 in³ 373,000.00 mm³
rx 4.92 in 125.00 mm
ry 2.53 in 64.30 mm
J 153.52 in⁴ 63,900,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 350×150×6.3.

Lighter in Rectangular hollow sections

RHS 250×150×8

Weight
47.7 kg/m (-0.4%)
Depth
250.0 mm (-29%)
Ix
51,100,000 mm⁴ (-46%)

Heavier in Rectangular hollow sections

RHS 180×100×12.5

Weight
48.7 kg/m (+1.7%)
Depth
180.0 mm (-49%)
Ix
23,800,000 mm⁴ (-75%)

Closest Iₓ in Rectangular hollow sections

RHS 260×140×16

Weight
90.3 kg/m (+89%)
Depth
260.0 mm (-26%)
Ix
93,400,000 mm⁴ (-1.5%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology