Steel Beam Sizes / CISC / W-Shapes / W310×143

W310×143 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

W310×143 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 96.00 lb/ft 143.00 kg/m
Depth, d 12.72 in 323.00 mm
Flange width, bf 12.17 in 309.00 mm
tw 0.551 in 14.000 mm
tf 0.902 in 22.900 mm
Area 28.21 in² 18,200.00 mm²
Ix 836.07 in⁴ 348,000,000 mm⁴
Iy 271.48 in⁴ 113,000,000 mm⁴
Sx 131.20 in³ 2,150,000 mm³
Sy 44.49 in³ 729,000.00 mm³
Zx 147.68 in³ 2,420,000 mm³
Zy 67.74 in³ 1,110,000 mm³
rx 5.43 in 138.00 mm
ry 3.09 in 78.60 mm
J 6.87 in⁴ 2,860,000 mm⁴
Cw 9,458.70 in⁶ 2,540,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W310×143.

Lighter in W310

W310×129

Weight
129.0 kg/m (-9.4%)
Depth
318.0 mm (-1.5%)
Ix
308,000,000 mm⁴ (-11%)

Heavier in W310

W310×158

Weight
158.0 kg/m (+10%)
Depth
327.0 mm (+1.2%)
Ix
386,000,000 mm⁴ (+11%)

Closest Iₓ in W310

W310×118

Weight
118.0 kg/m (-18%)
Depth
314.0 mm (-2.8%)
Ix
275,000,000 mm⁴ (-21%)

Similar weight in W360

W360×147

Weight
147.0 kg/m (+3.1%)
Depth
360.0 mm (+11%)
Ix
463,000,000 mm⁴ (+33%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Imported; readily available in Canada. · Methodology