Steel Beam Sizes / CISC / WT Tees / WT345×85

WT345×85 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

WT345×85 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 57.00 lb/ft 85.00 kg/m
Depth, d 13.66 in 347.00 mm
Flange width, bf 10.08 in 256.00 mm
tw 0.571 in 14.500 mm
tf 0.929 in 23.600 mm
Area 16.74 in² 10,800.00 mm²
Ix 290.70 in⁴ 121,000,000 mm⁴
Iy 79.52 in⁴ 33,100,000 mm⁴
Sx 28.38 in³ 465,000.00 mm³
Sy 15.81 in³ 259,000.00 mm³
rx 4.17 in 106.00 mm
ry 2.18 in 55.30 mm
J 3.65 in⁴ 1,520,000 mm⁴
Cw 17.58 in⁶ 4,720,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT345×85.

Lighter in WT345

WT345×76

Weight
76.0 kg/m (-11%)
Depth
344.0 mm (-0.9%)
Ix
107,000,000 mm⁴ (-12%)

Heavier in WT345

WT345×108.5

Weight
108.5 kg/m (+28%)
Depth
348.0 mm (+0.3%)
Ix
140,000,000 mm⁴ (+16%)

Closest Iₓ in WT345

WT345×70

Weight
70.0 kg/m (-18%)
Depth
342.0 mm (-1.4%)
Ix
99,300,000 mm⁴ (-18%)

Similar weight in WT380

WT380×86.5

Weight
86.5 kg/m (+1.8%)
Depth
381.0 mm (+9.8%)
Ix
156,000,000 mm⁴ (+29%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Not produced in Canada. · Methodology