Steel Beam Sizes / CISC / W-Shapes / W250×45

W250×45 Steel Beam Dimensions and Properties

CISC Wide flange · v12.1

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

Units

Section diagram

W250×45 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 30.00 lb/ft 45.00 kg/m
Depth, d 10.47 in 266.00 mm
Flange width, bf 5.83 in 148.00 mm
tw 0.299 in 7.600 mm
tf 0.512 in 13.000 mm
Area 8.87 in² 5,720.00 mm²
Ix 170.82 in⁴ 71,100,000 mm⁴
Iy 16.89 in⁴ 7,030,000 mm⁴
Sx 32.59 in³ 534,000.00 mm³
Sy 5.80 in³ 95,100.00 mm³
Zx 36.74 in³ 602,000.00 mm³
Zy 8.91 in³ 146,000.00 mm³
rx 4.37 in 111.00 mm
ry 1.38 in 35.10 mm
J 0.63 in⁴ 261,000.00 mm⁴
Cw 420.80 in⁶ 113,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W250×45.

Lighter in W250

W250×39

Weight
39.0 kg/m (-13%)
Depth
262.0 mm (-1.5%)
Ix
60,100,000 mm⁴ (-15%)

Heavier in W250

W250×49

Weight
49.0 kg/m (+10%)
Depth
247.0 mm (-7.1%)
Ix
70,600,000 mm⁴ (-0.7%)

Closest Iₓ in W250

W250×58

Weight
58.0 kg/m (+30%)
Depth
252.0 mm (-5.3%)
Ix
87,300,000 mm⁴ (+23%)

Similar weight in W310

W310×45

Weight
45.0 kg/m (0.0%)
Depth
313.0 mm (+18%)
Ix
99,200,000 mm⁴ (+40%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Imported; readily available in Canada. · Methodology