Steel Beam Sizes / CISC / W-Shapes / W310×33

W310×33 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

W310×33 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 22.00 lb/ft 33.00 kg/m
Depth, d 12.32 in 313.00 mm
Flange width, bf 4.02 in 102.00 mm
tw 0.260 in 6.600 mm
tf 0.425 in 10.800 mm
Area 6.48 in² 4,180.00 mm²
Ix 156.16 in⁴ 65,000,000 mm⁴
Iy 4.61 in⁴ 1,920,000 mm⁴
Sx 25.32 in³ 415,000.00 mm³
Sy 2.29 in³ 37,600.00 mm³
Zx 29.29 in³ 480,000.00 mm³
Zy 3.64 in³ 59,600.00 mm³
rx 4.92 in 125.00 mm
ry 0.84 in 21.40 mm
J 0.29 in⁴ 122,000.00 mm⁴
Cw 163.11 in⁶ 43,800,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W310×33.

Lighter in W310

W310×28

Weight
28.0 kg/m (-14%)
Depth
309.0 mm (-1.3%)
Ix
54,300,000 mm⁴ (-16%)

Heavier in W310

W310×39

Weight
39.0 kg/m (+18%)
Depth
310.0 mm (-1.0%)
Ix
85,100,000 mm⁴ (+31%)

Closest Iₓ in W310

W310×24

Weight
24.0 kg/m (-27%)
Depth
305.0 mm (-2.6%)
Ix
42,700,000 mm⁴ (-34%)

Similar weight in W360

W360×33

Weight
33.0 kg/m (0.0%)
Depth
349.0 mm (+12%)
Ix
82,600,000 mm⁴ (+27%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Imported; readily available in Canada. · Methodology