Steel Beam Sizes / UK / Universal Columns / UC 356×406×340

UC 356×406×340 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 356×406×340 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 228.47 lb/ft 340.00 kg/m
Depth, d 16.00 in 406.40 mm
Flange width, bf 15.87 in 403.00 mm
tw 1.047 in 26.600 mm
tf 1.689 in 42.900 mm
Area 67.12 in² 43,300.00 mm²
Ix 2,931.06 in⁴ 1,220,000,000 mm⁴
Iy 1,124.37 in⁴ 468,000,000 mm⁴
Sx 367.97 in³ 6,030,000 mm³
Sy 141.58 in³ 2,320,000 mm³
Zx 427.17 in³ 7,000,000 mm³
Zy 216.02 in³ 3,540,000 mm³
rx 6.61 in 168.00 mm
ry 4.09 in 104.00 mm
J 56.22 in⁴ 23,400,000 mm⁴
Cw 57,720.41 in⁶ 15,500,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UC 356×406×340.

Lighter in Universal columns

UC 356×406×287

Weight
287.0 kg/m (-16%)
Depth
393.6 mm (-3.1%)
Ix
999,000,000 mm⁴ (-18%)

Heavier in Universal columns

UC 356×406×393

Weight
393.0 kg/m (+16%)
Depth
419.0 mm (+3.1%)
Ix
1,470,000,000 mm⁴ (+20%)

Closest Iₓ in Universal columns

UC 356×406×235

Weight
235.0 kg/m (-31%)
Depth
381.0 mm (-6.3%)
Ix
791,000,000 mm⁴ (-35%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology