Steel Beam Sizes / Europe / UPN Channels / UPN 280

UPN 280 Steel Beam Dimensions and Properties

EN UPN taper flange channels · v2026.1

Analyze in Beam Calculator Back to UPN Channels

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

Units

Section diagram

UPN 280 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 28.09 lb/ft 41.80 kg/m
Depth, d 11.02 in 280.00 mm
Flange width, bf 3.74 in 95.00 mm
tw 0.394 in 10.000 mm
tf 0.591 in 15.000 mm
Area 8.26 in² 5,330.00 mm²
Ix 150.88 in⁴ 62,800,000 mm⁴
Iy 9.59 in⁴ 3,990,000 mm⁴
Sx 27.34 in³ 448,000.00 mm³
Sy 3.48 in³ 57,000.00 mm³
Zx 32.46 in³ 532,000.00 mm³
Zy 6.65 in³ 109,000.00 mm³
rx 4.29 in 109.00 mm
ry 1.08 in 27.40 mm
J 0.74 in⁴ 310,000.00 mm⁴
Cw 180.61 in⁶ 48,500,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UPN 280.

Lighter in UPN taper flange channels

UPN 260

Weight
37.9 kg/m (-9.3%)
Depth
260.0 mm (-7.1%)
Ix
48,200,000 mm⁴ (-23%)

Heavier in UPN taper flange channels

UPN 300

Weight
46.2 kg/m (+11%)
Depth
300.0 mm (+7.1%)
Ix
80,300,000 mm⁴ (+28%)

Closest Iₓ in UPN taper flange channels

UPN 240

Weight
33.2 kg/m (-21%)
Depth
240.0 mm (-14%)
Ix
36,000,000 mm⁴ (-43%)
Analyze in Beam Calculator Compare in UPN Channels finder

Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology