Steel Beam Sizes / CISC / W-Shapes / W310×415

W310×415 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

W310×415 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 279.00 lb/ft 415.00 kg/m
Depth, d 15.87 in 403.00 mm
Flange width, bf 13.15 in 334.00 mm
tw 1.531 in 38.900 mm
tf 2.469 in 62.700 mm
Area 82.00 in² 52,900.00 mm²
Ix 3,123.26 in⁴ 1,300,000,000 mm⁴
Iy 939.38 in⁴ 391,000,000 mm⁴
Sx 393.60 in³ 6,450,000 mm³
Sy 142.80 in³ 2,340,000 mm³
Zx 482.09 in³ 7,900,000 mm³
Zy 220.30 in³ 3,610,000 mm³
rx 6.18 in 157.00 mm
ry 3.39 in 86.00 mm
J 142.95 in⁴ 59,500,000 mm⁴
Cw 42,080.04 in⁶ 11,300,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W310×415.

Lighter in W310

W310×375

Weight
375.0 kg/m (-9.7%)
Depth
391.0 mm (-3.0%)
Ix
1,130,000,000 mm⁴ (-13%)

Heavier in W310

W310×454

Weight
454.0 kg/m (+9.3%)
Depth
415.0 mm (+3.0%)
Ix
1,480,000,000 mm⁴ (+14%)

Closest Iₓ in W310

W310×342

Weight
342.0 kg/m (-18%)
Depth
382.0 mm (-5.2%)
Ix
1,010,000,000 mm⁴ (-22%)

Similar weight in W360

W360×421

Weight
421.0 kg/m (+1.4%)
Depth
425.0 mm (+5.5%)
Ix
1,600,000,000 mm⁴ (+23%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Not produced in Canada. · Methodology