Steel Beam Sizes / AISC / Channels / C12x25

C12x25 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

C12x25 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 25.00 lb/ft 37.00 kg/m
Depth, d 12.00 in 305.00 mm
Flange width, bf 3.05 in 77.50 mm
tw 0.387 in 9.830 mm
tf 0.501 in 12.700 mm
Area 7.34 in² 4,740.00 mm²
Ix 144.00 in⁴ 59,900,000 mm⁴
Iy 4.45 in⁴ 1,850,000 mm⁴
Sx 24.00 in³ 393,000.00 mm³
Sy 1.87 in³ 30,600.00 mm³
Zx 29.40 in³ 482,000.00 mm³
Zy 3.82 in³ 62,600.00 mm³
rx 4.43 in 113.00 mm
ry 0.78 in 19.80 mm
J 0.54 in⁴ 224,000.00 mm⁴
Cw 130.00 in⁶ 34,900,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus C12x25.

Lighter in C12

C12x20.7

Weight
20.7 lb/ft (-17%)
Depth
12.00 in (0.0%)
Ix
129.0 in⁴ (-10%)

Heavier in C12

C12x30

Weight
30.0 lb/ft (+20%)
Depth
12.00 in (0.0%)
Ix
162.0 in⁴ (+13%)

Similar weight in C10

C10x25

Weight
25.0 lb/ft (0.0%)
Depth
10.00 in (-17%)
Ix
91.1 in⁴ (-37%)
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Source: AISC Shapes Database v16.0 · Methodology