Steel Beam Sizes / CISC / W-Shapes / W310×158

W310×158 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

W310×158 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 106.00 lb/ft 158.00 kg/m
Depth, d 12.87 in 327.00 mm
Flange width, bf 12.20 in 310.00 mm
tw 0.610 in 15.500 mm
tf 0.988 in 25.100 mm
Area 31.00 in² 20,000.00 mm²
Ix 927.37 in⁴ 386,000,000 mm⁴
Iy 300.31 in⁴ 125,000,000 mm⁴
Sx 144.02 in³ 2,360,000 mm³
Sy 49.12 in³ 805,000.00 mm³
Zx 162.93 in³ 2,670,000 mm³
Zy 74.45 in³ 1,220,000 mm³
rx 5.47 in 139.00 mm
ry 3.11 in 78.90 mm
J 9.06 in⁴ 3,770,000 mm⁴
Cw 10,575.87 in⁶ 2,840,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W310×158.

Lighter in W310

W310×143

Weight
143.0 kg/m (-9.4%)
Depth
323.0 mm (-1.2%)
Ix
348,000,000 mm⁴ (-9.8%)

Heavier in W310

W310×179

Weight
179.0 kg/m (+13%)
Depth
333.0 mm (+1.8%)
Ix
445,000,000 mm⁴ (+15%)

Closest Iₓ in W310

W310×129

Weight
129.0 kg/m (-18%)
Depth
318.0 mm (-2.8%)
Ix
308,000,000 mm⁴ (-20%)

Similar weight in W360

W360×162

Weight
162.0 kg/m (+2.8%)
Depth
364.0 mm (+11%)
Ix
515,000,000 mm⁴ (+33%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Imported; readily available in Canada. · Methodology