Steel Beam Sizes / CISC / Channels / C180×18

C180×18 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

C180×18 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 12.25 lb/ft 18.00 kg/m
Depth, d 7.01 in 178.00 mm
Flange width, bf 2.17 in 55.00 mm
tw 0.315 in 8.000 mm
tf 0.366 in 9.300 mm
Area 3.58 in² 2,310.00 mm²
Ix 24.03 in⁴ 10,000,000 mm⁴
Iy 1.14 in⁴ 476,000.00 mm⁴
Sx 6.90 in³ 113,000.00 mm³
Sy 0.70 in³ 11,400.00 mm³
rx 2.59 in 65.90 mm
ry 0.56 in 14.30 mm
J 0.16 in⁴ 66,800.00 mm⁴
Cw 10.80 in⁶ 2,900,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus C180×18.

Lighter in C180

C180×15

Weight
15.0 kg/m (-20%)
Depth
178.0 mm (0.0%)
Ix
8,860,000 mm⁴ (-11%)

Heavier in C180

C180×22

Weight
22.0 kg/m (+20%)
Depth
178.0 mm (0.0%)
Ix
11,300,000 mm⁴ (+13%)

Similar weight in C200

C200×17

Weight
17.0 kg/m (-6.1%)
Depth
203.0 mm (+14%)
Ix
13,500,000 mm⁴ (+35%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · Methodology