Steel Beam Sizes / AISC / WT Tees / WT16.5x70.5

WT16.5x70.5 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

WT16.5x70.5 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 70.50 lb/ft 105.00 kg/m
Depth, d 16.70 in 424.00 mm
Flange width, bf 11.50 in 292.00 mm
tw 0.605 in 15.400 mm
tf 0.960 in 24.400 mm
Area 20.70 in² 13,400.00 mm²
Ix 552.00 in⁴ 230,000,000 mm⁴
Iy 123.00 in⁴ 51,200,000 mm⁴
Sx 44.70 in³ 733,000.00 mm³
Sy 21.30 in³ 349,000.00 mm³
Zx 79.80 in³ 1,310,000 mm³
Zy 33.40 in³ 547,000.00 mm³
rx 5.15 in 131.00 mm
ry 2.43 in 61.70 mm
J 4.84 in⁴ 2,010,000 mm⁴
Cw 35.40 in⁶ 9,510,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT16.5x70.5.

Lighter in WT16

WT16.5x65

Weight
65.0 lb/ft (-7.8%)
Depth
16.50 in (-1.2%)
Ix
513.0 in⁴ (-7.1%)

Heavier in WT16

WT16.5x76

Weight
76.0 lb/ft (+7.8%)
Depth
16.70 in (0.0%)
Ix
592.0 in⁴ (+7.2%)

Closest Iₓ in WT16

WT16.5x59

Weight
59.0 lb/ft (-16%)
Depth
16.40 in (-1.8%)
Ix
469.0 in⁴ (-15%)

Similar weight in WT18

WT18x67.5

Weight
67.5 lb/ft (-4.3%)
Depth
17.80 in (+6.6%)
Ix
637.0 in⁴ (+15%)
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Source: AISC Shapes Database v16.0 · Methodology