Steel Beam Sizes / CISC / Channels / C100×9

C100×9 Steel Beam Dimensions and Properties

CISC Channels · v12.1

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

Units

Section diagram

C100×9 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 6.25 lb/ft 9.00 kg/m
Depth, d 4.02 in 102.00 mm
Flange width, bf 1.65 in 42.00 mm
tw 0.248 in 6.300 mm
tf 0.295 in 7.500 mm
Area 1.84 in² 1,190.00 mm²
Ix 4.25 in⁴ 1,770,000 mm⁴
Iy 0.38 in⁴ 158,000.00 mm⁴
Sx 2.11 in³ 34,600.00 mm³
Sy 0.32 in³ 5,180.00 mm³
rx 1.52 in 38.50 mm
ry 0.45 in 11.50 mm
J 0.06 in⁴ 23,100.00 mm⁴
Cw 1.09 in⁶ 293,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus C100×9.

Lighter in C100

C100×8

Weight
8.0 kg/m (-14%)
Depth
102.0 mm (0.0%)
Ix
1,610,000 mm⁴ (-9.0%)

Heavier in C100

C100×11

Weight
11.0 kg/m (+16%)
Depth
102.0 mm (0.0%)
Ix
1,910,000 mm⁴ (+7.9%)

Closest Iₓ in C100

C100×7

Weight
7.0 kg/m (-28%)
Depth
102.0 mm (0.0%)
Ix
1,500,000 mm⁴ (-15%)

Similar weight in C75

C75×9

Weight
9.0 kg/m (-4.0%)
Depth
76.0 mm (-25%)
Ix
847,000 mm⁴ (-52%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · Methodology