Steel Beam Sizes / AISC / WT Tees / WT10.5x31

WT10.5x31 Steel Beam Dimensions and Properties

AISC Structural tees · v16.0

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Diagram, properties emphasis, and nearby alternatives use the selected unit system.

Units

Section diagram

WT10.5x31 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 31.00 lb/ft 46.00 kg/m
Depth, d 10.50 in 267.00 mm
Flange width, bf 8.24 in 209.00 mm
tw 0.400 in 10.200 mm
tf 0.615 in 15.600 mm
Area 9.13 in² 5,890.00 mm²
Ix 93.80 in⁴ 39,000,000 mm⁴
Iy 28.70 in⁴ 11,900,000 mm⁴
Sx 11.90 in³ 195,000.00 mm³
Sy 6.97 in³ 114,000.00 mm³
Zx 21.10 in³ 346,000.00 mm³
Zy 10.90 in³ 179,000.00 mm³
rx 3.21 in 81.50 mm
ry 1.77 in 45.00 mm
J 0.91 in⁴ 380,000.00 mm⁴
Cw 2.78 in⁶ 747,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT10.5x31.

Lighter in WT10

WT10.5x28.5

Weight
28.5 lb/ft (-8.1%)
Depth
10.50 in (0.0%)
Ix
90.4 in⁴ (-3.6%)

Heavier in WT10

WT10.5x34

Weight
34.0 lb/ft (+9.7%)
Depth
10.60 in (+1.0%)
Ix
103.0 in⁴ (+9.8%)

Closest Iₓ in WT10

WT10.5x27.5

Weight
27.5 lb/ft (-11%)
Depth
10.40 in (-1.0%)
Ix
84.4 in⁴ (-10%)

Similar weight in WT12

WT12x31

Weight
31.0 lb/ft (0.0%)
Depth
11.90 in (+13%)
Ix
131.0 in⁴ (+40%)
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Source: AISC Shapes Database v16.0 · Methodology