Steel Beam Sizes / AISC / Angles / L4x3-1/2x1/4

L4x3-1/2x1/4 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

L4x3-1/2x1/4 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 6.20 lb/ft 9.20 kg/m
Width 4.00 in 102.00 mm
Height 3.50 in 88.90 mm
t 0.250 in 6.350 mm
Area 1.82 in² 1,170.00 mm²
Ix 2.89 in⁴ 1,200,000 mm⁴
Iy 2.07 in⁴ 862,000.00 mm⁴
Sx 1.01 in³ 16,600.00 mm³
Sy 0.79 in³ 13,000.00 mm³
Zx 1.81 in³ 29,700.00 mm³
Zy 1.40 in³ 22,900.00 mm³
rx 1.26 in 32.00 mm
ry 1.07 in 27.20 mm
J 0.04 in⁴ 17,100.00 mm⁴
Cw 0.04 in⁶ 11,300,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L4x3-1/2x1/4.

Lighter in L4

L4x3x1/4

Weight
5.8 lb/ft (-6.5%)
Depth
3.00 in (-14%)
Ix
2.8 in⁴ (-4.8%)

Heavier in L4

L4x4x1/4

Weight
6.6 lb/ft (+6.5%)
Depth
4.00 in (+14%)
Ix
3.0 in⁴ (+3.8%)

Closest Iₓ in L4

L4x3x5/16

Weight
7.2 lb/ft (+16%)
Depth
3.00 in (-14%)
Ix
3.4 in⁴ (+16%)

Similar weight in L3

L3-1/2x2-1/2x5/16

Weight
6.1 lb/ft (-1.6%)
Depth
2.50 in (-29%)
Ix
2.2 in⁴ (-24%)
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Source: AISC Shapes Database v16.0 · Methodology