Steel Beam Sizes / AISC / Angles / L3x3x1/4

L3x3x1/4 Steel Beam Dimensions and Properties

AISC Angles · v16.0

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

Units

Section diagram

L3x3x1/4 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 4.90 lb/ft 7.30 kg/m
Width 3.00 in 76.20 mm
Height 3.00 in 76.20 mm
t 0.250 in 6.350 mm
Area 1.44 in² 929.00 mm²
Ix 1.23 in⁴ 512,000.00 mm⁴
Iy 1.23 in⁴ 512,000.00 mm⁴
Sx 0.57 in³ 9,320.00 mm³
Sy 0.57 in³ 9,320.00 mm³
Zx 1.02 in³ 16,700.00 mm³
Zy 1.02 in³ 16,700.00 mm³
rx 0.93 in 23.50 mm
ry 0.93 in 23.50 mm
J 0.03 in⁴ 13,000.00 mm⁴
Cw 0.02 in⁶ 5,530,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L3x3x1/4.

Lighter in L3

L3x2-1/2x1/4

Weight
4.5 lb/ft (-8.2%)
Depth
2.50 in (-17%)
Ix
1.2 in⁴ (-5.7%)

Heavier in L3

L3x2x5/16

Weight
5.0 lb/ft (+2.0%)
Depth
2.00 in (-33%)
Ix
1.3 in⁴ (+7.3%)

Closest Iₓ in L3

L3x2x1/4

Weight
4.1 lb/ft (-16%)
Depth
2.00 in (-33%)
Ix
1.1 in⁴ (-11%)

Similar weight in L2

L2-1/2x2-1/2x5/16

Weight
5.0 lb/ft (+2.0%)
Depth
2.50 in (-17%)
Ix
0.8 in⁴ (-32%)
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Source: AISC Shapes Database v16.0 · Methodology