Steel Beam Sizes / CISC / W-Shapes / W310×28

W310×28 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

W310×28 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 19.00 lb/ft 28.00 kg/m
Depth, d 12.17 in 309.00 mm
Flange width, bf 4.02 in 102.00 mm
tw 0.236 in 6.000 mm
tf 0.350 in 8.900 mm
Area 5.60 in² 3,610.00 mm²
Ix 130.46 in⁴ 54,300,000 mm⁴
Iy 3.80 in⁴ 1,580,000 mm⁴
Sx 21.42 in³ 351,000.00 mm³
Sy 1.89 in³ 31,000.00 mm³
Zx 24.84 in³ 407,000.00 mm³
Zy 3.00 in³ 49,200.00 mm³
rx 4.84 in 123.00 mm
ry 0.82 in 20.90 mm
J 0.18 in⁴ 75,700.00 mm⁴
Cw 132.57 in⁶ 35,600,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W310×28.

Lighter in W310

W310×24

Weight
24.0 kg/m (-16%)
Depth
305.0 mm (-1.3%)
Ix
42,700,000 mm⁴ (-21%)

Heavier in W310

W310×33

Weight
33.0 kg/m (+16%)
Depth
313.0 mm (+1.3%)
Ix
65,000,000 mm⁴ (+20%)

Closest Iₓ in W310

W310×21

Weight
21.0 kg/m (-26%)
Depth
303.0 mm (-1.9%)
Ix
37,000,000 mm⁴ (-32%)

Similar weight in W250

W250×28

Weight
28.0 kg/m (0.0%)
Depth
260.0 mm (-16%)
Ix
40,000,000 mm⁴ (-26%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Imported; readily available in Canada. · Methodology