Steel Beam Sizes / CISC / Channels / C200×21

C200×21 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

C200×21 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 13.75 lb/ft 21.00 kg/m
Depth, d 7.99 in 203.00 mm
Flange width, bf 2.32 in 59.00 mm
tw 0.303 in 7.700 mm
tf 0.390 in 9.900 mm
Area 4.03 in² 2,600.00 mm²
Ix 35.80 in⁴ 14,900,000 mm⁴
Iy 1.51 in⁴ 627,000.00 mm⁴
Sx 8.97 in³ 147,000.00 mm³
Sy 0.85 in³ 13,900.00 mm³
rx 2.98 in 75.80 mm
ry 0.61 in 15.50 mm
J 0.18 in⁴ 77,000.00 mm⁴
Cw 18.77 in⁶ 5,040,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus C200×21.

Lighter in C200

C200×17

Weight
17.0 kg/m (-16%)
Depth
203.0 mm (0.0%)
Ix
13,500,000 mm⁴ (-9.4%)

Heavier in C200

C200×28

Weight
28.0 kg/m (+36%)
Depth
203.0 mm (0.0%)
Ix
18,200,000 mm⁴ (+22%)

Similar weight in C230

C230×20

Weight
20.0 kg/m (-2.5%)
Depth
229.0 mm (+13%)
Ix
19,800,000 mm⁴ (+33%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · Methodology