Steel Beam Sizes / UK / Universal Columns / UC 356×368×129

UC 356×368×129 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 356×368×129 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 86.68 lb/ft 129.00 kg/m
Depth, d 14.00 in 355.60 mm
Flange width, bf 14.51 in 368.60 mm
tw 0.409 in 10.400 mm
tf 0.689 in 17.500 mm
Area 25.42 in² 16,400.00 mm²
Ix 965.81 in⁴ 402,000,000 mm⁴
Iy 350.77 in⁴ 146,000,000 mm⁴
Sx 137.91 in³ 2,260,000 mm³
Sy 48.39 in³ 793,000.00 mm³
Zx 151.34 in³ 2,480,000 mm³
Zy 73.23 in³ 1,200,000 mm³
rx 6.18 in 157.00 mm
ry 3.71 in 94.30 mm
J 3.68 in⁴ 1,530,000 mm⁴
Cw 15,528.65 in⁶ 4,170,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UC 356×368×129.

Lighter in Universal columns

UC 305×305×118

Weight
118.0 kg/m (-8.5%)
Depth
314.5 mm (-12%)
Ix
277,000,000 mm⁴ (-31%)

Heavier in Universal columns

UC 254×254×132

Weight
132.0 kg/m (+2.3%)
Depth
276.3 mm (-22%)
Ix
225,000,000 mm⁴ (-44%)

Closest Iₓ in Universal columns

UC 305×305×158

Weight
158.0 kg/m (+22%)
Depth
327.1 mm (-8.0%)
Ix
388,000,000 mm⁴ (-3.5%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology