Steel Beam Sizes / AISC / WT Tees / WT8x38.5

WT8x38.5 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

WT8x38.5 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 38.50 lb/ft 57.00 kg/m
Depth, d 8.26 in 210.00 mm
Flange width, bf 10.30 in 262.00 mm
tw 0.455 in 11.600 mm
tf 0.760 in 19.300 mm
Area 11.30 in² 7,290.00 mm²
Ix 56.90 in⁴ 23,700,000 mm⁴
Iy 69.20 in⁴ 28,800,000 mm⁴
Sx 8.59 in³ 141,000.00 mm³
Sy 13.40 in³ 220,000.00 mm³
Zx 15.30 in³ 251,000.00 mm³
Zy 20.50 in³ 336,000.00 mm³
rx 2.24 in 56.90 mm
ry 2.47 in 62.70 mm
J 1.78 in⁴ 741,000.00 mm⁴
Cw 4.61 in⁶ 1,240,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT8x38.5.

Lighter in WT8

WT8x33.5

Weight
33.5 lb/ft (-13%)
Depth
8.17 in (-1.1%)
Ix
48.6 in⁴ (-15%)

Heavier in WT8

WT8x44.5

Weight
44.5 lb/ft (+16%)
Depth
8.38 in (+1.5%)
Ix
67.2 in⁴ (+18%)

Closest Iₓ in WT8

WT8x28.5

Weight
28.5 lb/ft (-26%)
Depth
8.22 in (-0.5%)
Ix
48.7 in⁴ (-14%)

Similar weight in WT9

WT9x38

Weight
38.0 lb/ft (-1.3%)
Depth
9.11 in (+10%)
Ix
71.8 in⁴ (+26%)
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Source: AISC Shapes Database v16.0 · Methodology