Steel Beam Sizes / UK / Universal Columns / UC 203×203×71

UC 203×203×71 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 203×203×71 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 47.71 lb/ft 71.00 kg/m
Depth, d 8.50 in 215.80 mm
Flange width, bf 8.13 in 206.40 mm
tw 0.394 in 10.000 mm
tf 0.681 in 17.300 mm
Area 14.01 in² 9,040.00 mm²
Ix 183.07 in⁴ 76,200,000 mm⁴
Iy 61.02 in⁴ 25,400,000 mm⁴
Sx 43.08 in³ 706,000.00 mm³
Sy 15.01 in³ 246,000.00 mm³
Zx 48.76 in³ 799,000.00 mm³
Zy 22.82 in³ 374,000.00 mm³
rx 3.61 in 91.80 mm
ry 2.09 in 53.00 mm
J 1.93 in⁴ 802,000.00 mm⁴
Cw 930.97 in⁶ 250,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UC 203×203×71.

Lighter in Universal columns

UC 203×203×60

Weight
60.0 kg/m (-15%)
Depth
209.6 mm (-2.9%)
Ix
61,200,000 mm⁴ (-20%)

Heavier in Universal columns

UC 254×254×73

Weight
73.1 kg/m (+3.0%)
Depth
254.1 mm (+18%)
Ix
114,000,000 mm⁴ (+50%)

Closest Iₓ in Universal columns

UC 203×203×86

Weight
86.1 kg/m (+21%)
Depth
222.2 mm (+3.0%)
Ix
94,500,000 mm⁴ (+24%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology