Steel Beam Sizes / AISC / Channels / C15x40

C15x40 Steel Beam Dimensions and Properties

AISC Channels · v16.0

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

Units

Section diagram

C15x40 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 40.00 lb/ft 60.00 kg/m
Depth, d 15.00 in 381.00 mm
Flange width, bf 3.52 in 89.40 mm
tw 0.520 in 13.200 mm
tf 0.650 in 16.500 mm
Area 11.80 in² 7,610.00 mm²
Ix 348.00 in⁴ 145,000,000 mm⁴
Iy 9.17 in⁴ 3,820,000 mm⁴
Sx 46.50 in³ 762,000.00 mm³
Sy 3.34 in³ 54,700.00 mm³
Zx 57.50 in³ 942,000.00 mm³
Zy 6.84 in³ 112,000.00 mm³
rx 5.43 in 138.00 mm
ry 0.88 in 22.40 mm
J 1.45 in⁴ 604,000.00 mm⁴
Cw 410.00 in⁶ 110,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus C15x40.

Lighter in C15

C15x33.9

Weight
33.9 lb/ft (-15%)
Depth
15.00 in (0.0%)
Ix
315.0 in⁴ (-9.5%)

Heavier in C15

C15x50

Weight
50.0 lb/ft (+25%)
Depth
15.00 in (0.0%)
Ix
404.0 in⁴ (+16%)

Similar weight in C12

C12x30

Weight
30.0 lb/ft (-25%)
Depth
12.00 in (-20%)
Ix
162.0 in⁴ (-53%)
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Source: AISC Shapes Database v16.0 · Methodology