Steel Beam Sizes / AISC / Channels / C7x12.25

C7x12.25 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

C7x12.25 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 18.20 kg/m
Depth, d 7.00 in 178.00 mm
Flange width, bf 2.19 in 55.60 mm
tw 0.314 in 7.980 mm
tf 0.366 in 9.300 mm
Area 3.59 in² 2,320.00 mm²
Ix 24.20 in⁴ 10,100,000 mm⁴
Iy 1.16 in⁴ 483,000.00 mm⁴
Sx 6.92 in³ 113,000.00 mm³
Sy 0.70 in³ 11,400.00 mm³
Zx 8.46 in³ 139,000.00 mm³
Zy 1.42 in³ 23,300.00 mm³
rx 2.59 in 65.80 mm
ry 0.57 in 14.40 mm
J 0.16 in⁴ 67,000.00 mm⁴
Cw 11.20 in⁶ 3,010,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus C7x12.25.

Lighter in C7

C7x9.8

Weight
9.8 lb/ft (-20%)
Depth
7.00 in (0.0%)
Ix
21.2 in⁴ (-12%)

Heavier in C7

C7x14.75

Weight
14.8 lb/ft (+20%)
Depth
7.00 in (0.0%)
Ix
27.2 in⁴ (+12%)

Similar weight in C8

C8x11.5

Weight
11.5 lb/ft (-6.1%)
Depth
8.00 in (+14%)
Ix
32.5 in⁴ (+34%)
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Source: AISC Shapes Database v16.0 · Methodology