Steel Beam Sizes / UK / Universal Columns / UC 356×406×900

UC 356×406×900 Steel Beam Dimensions and Properties

UK Universal columns · v2023.11

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

Units

Section diagram

UC 356×406×900 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 604.77 lb/ft 900.00 kg/m
Depth, d 20.91 in 531.00 mm
Flange width, bf 17.40 in 442.00 mm
tw 2.594 in 65.900 mm
tf 4.173 in 106.000 mm
Area 178.10 in² 114,900.00 mm²
Ix 10,811.29 in⁴ 4,500,000,000 mm⁴
Iy 3,675.84 in⁴ 1,530,000,000 mm⁴
Sx 1,037.40 in³ 17,000,000 mm³
Sy 423.50 in³ 6,940,000 mm³
Zx 1,318.11 in³ 21,600,000 mm³
Zy 652.95 in³ 10,700,000 mm³
rx 7.80 in 198.00 mm
ry 4.57 in 116.00 mm
J 874.51 in⁴ 364,000,000 mm⁴
Cw 256,576.53 in⁶ 68,900,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UC 356×406×900.

Lighter in Universal columns

UC 356×406×818

Weight
818.0 kg/m (-9.1%)
Depth
514.0 mm (-3.2%)
Ix
3,920,000,000 mm⁴ (-13%)

Heavier in Universal columns

UC 356×406×990

Weight
990.0 kg/m (+10.0%)
Depth
550.0 mm (+3.6%)
Ix
5,190,000,000 mm⁴ (+15%)

Closest Iₓ in Universal columns

UC 356×406×744

Weight
744.0 kg/m (-17%)
Depth
498.0 mm (-6.2%)
Ix
3,420,000,000 mm⁴ (-24%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology