Steel Beam Sizes / CISC / WT Tees / WT420×105

WT420×105 Steel Beam Dimensions and Properties

CISC Structural tees · v12.1

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

Units

Section diagram

WT420×105 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 16.65 in 423.00 mm
Flange width, bf 11.54 in 293.00 mm
tw 0.606 in 15.400 mm
tf 0.961 in 24.400 mm
Area 20.77 in² 13,400.00 mm²
Ix 552.58 in⁴ 230,000,000 mm⁴
Iy 123.25 in⁴ 51,300,000 mm⁴
Sx 44.73 in³ 733,000.00 mm³
Sy 21.36 in³ 350,000.00 mm³
rx 5.16 in 131.00 mm
ry 2.43 in 61.80 mm
J 4.85 in⁴ 2,020,000 mm⁴
Cw 35.64 in⁶ 9,570,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT420×105.

Lighter in WT420

WT420×96.5

Weight
96.5 kg/m (-7.8%)
Depth
420.0 mm (-0.7%)
Ix
213,000,000 mm⁴ (-7.4%)

Heavier in WT420

WT420×113

Weight
113.0 kg/m (+7.8%)
Depth
426.0 mm (+0.7%)
Ix
247,000,000 mm⁴ (+7.4%)

Closest Iₓ in WT420

WT420×88

Weight
88.0 kg/m (-16%)
Depth
418.0 mm (-1.2%)
Ix
196,000,000 mm⁴ (-15%)

Similar weight in WT460

WT460×100.5

Weight
100.5 kg/m (-4.3%)
Depth
452.0 mm (+6.9%)
Ix
265,000,000 mm⁴ (+15%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Not produced in Canada. · Methodology