Steel Beam Sizes / UK / Universal Beams / UB 356×127×33

UB 356×127×33 Steel Beam Dimensions and Properties

UK Universal beams · v2023.11

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

Units

Section diagram

UB 356×127×33 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 22.24 lb/ft 33.10 kg/m
Depth, d 13.74 in 349.00 mm
Flange width, bf 4.94 in 125.40 mm
tw 0.236 in 6.000 mm
tf 0.335 in 8.500 mm
Area 6.53 in² 4,210.00 mm²
Ix 198.21 in⁴ 82,500,000 mm⁴
Iy 6.73 in⁴ 2,800,000 mm⁴
Sx 28.86 in³ 473,000.00 mm³
Sy 2.75 in³ 45,000.00 mm³
Zx 33.14 in³ 543,000.00 mm³
Zy 4.29 in³ 70,300.00 mm³
rx 5.51 in 140.00 mm
ry 1.02 in 25.80 mm
J 0.21 in⁴ 87,900.00 mm⁴
Cw 301.64 in⁶ 81,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UB 356×127×33.

Lighter in Universal beams

UB 305×102×33

Weight
32.8 kg/m (-0.9%)
Depth
312.7 mm (-10%)
Ix
65,000,000 mm⁴ (-21%)

Heavier in Universal beams

UB 254×146×37

Weight
37.0 kg/m (+12%)
Depth
256.0 mm (-27%)
Ix
55,400,000 mm⁴ (-33%)

Closest Iₓ in Universal beams

UB 305×127×42

Weight
41.9 kg/m (+27%)
Depth
307.2 mm (-12%)
Ix
82,000,000 mm⁴ (-0.6%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology