Steel Beam Sizes / UK / Universal Beams / UB 1000×400×371

UB 1000×400×371 Steel Beam Dimensions and Properties

UK Universal beams · v2023.11

Analyze in Beam Calculator Back to Universal Beams

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

Units

Section diagram

UB 1000×400×371 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 249.30 lb/ft 371.00 kg/m
Depth, d 39.37 in 1,000.00 mm
Flange width, bf 15.75 in 400.00 mm
tw 0.748 in 19.000 mm
tf 1.421 in 36.100 mm
Area 73.32 in² 47,300.00 mm²
Ix 19,556.43 in⁴ 8,140,000,000 mm⁴
Iy 927.37 in⁴ 386,000,000 mm⁴
Sx 994.69 in³ 16,300,000 mm³
Sy 117.78 in³ 1,930,000 mm³
Zx 1,122.84 in³ 18,400,000 mm³
Zy 181.85 in³ 2,980,000 mm³
rx 16.34 in 415.00 mm
ry 3.56 in 90.30 mm
J 38.20 in⁴ 15,900,000 mm⁴
Cw 332,916.42 in⁶ 89,400,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UB 1000×400×371.

Lighter in Universal beams

UB 920×420×368

Weight
368.0 kg/m (-0.8%)
Depth
931.0 mm (-6.9%)
Ix
6,920,000,000 mm⁴ (-15%)

Heavier in Universal beams

UB 914×305×381

Weight
381.0 kg/m (+2.7%)
Depth
951.0 mm (-4.9%)
Ix
6,970,000,000 mm⁴ (-14%)

Closest Iₓ in Universal beams

UB 920×420×420

Weight
420.0 kg/m (+13%)
Depth
943.0 mm (-5.7%)
Ix
8,130,000,000 mm⁴ (-0.1%)
Analyze in Beam Calculator Compare in Universal Beams finder

Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology