Steel Beam Sizes / AISC / WT Tees / WT7x21.5

WT7x21.5 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

WT7x21.5 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 21.50 lb/ft 32.00 kg/m
Depth, d 6.83 in 173.00 mm
Flange width, bf 8.00 in 203.00 mm
tw 0.305 in 7.750 mm
tf 0.530 in 13.500 mm
Area 6.31 in² 4,070.00 mm²
Ix 21.90 in⁴ 9,120,000 mm⁴
Iy 22.60 in⁴ 9,410,000 mm⁴
Sx 3.98 in³ 65,200.00 mm³
Sy 5.65 in³ 92,600.00 mm³
Zx 7.05 in³ 116,000.00 mm³
Zy 8.64 in³ 142,000.00 mm³
rx 1.86 in 47.20 mm
ry 1.89 in 48.00 mm
J 0.52 in⁴ 217,000.00 mm⁴
Cw 0.75 in⁶ 202,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT7x21.5.

Lighter in WT7

WT7x19

Weight
19.0 lb/ft (-12%)
Depth
7.05 in (+3.2%)
Ix
23.3 in⁴ (+6.4%)

Heavier in WT7

WT7x24

Weight
24.0 lb/ft (+12%)
Depth
6.90 in (+1.0%)
Ix
24.9 in⁴ (+14%)

Closest Iₓ in WT7

WT7x17

Weight
17.0 lb/ft (-21%)
Depth
6.99 in (+2.3%)
Ix
20.9 in⁴ (-4.6%)

Similar weight in WT8

WT8x22.5

Weight
22.5 lb/ft (+4.7%)
Depth
8.07 in (+18%)
Ix
37.8 in⁴ (+73%)
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Source: AISC Shapes Database v16.0 · Methodology