Steel Beam Sizes / AISC / Angles / L4x4x1/2

L4x4x1/2 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

L4x4x1/2 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 12.80 lb/ft 19.00 kg/m
Width 4.00 in 102.00 mm
Height 4.00 in 102.00 mm
t 0.500 in 12.700 mm
Area 3.75 in² 2,420.00 mm²
Ix 5.52 in⁴ 2,300,000 mm⁴
Iy 5.52 in⁴ 2,300,000 mm⁴
Sx 1.96 in³ 32,100.00 mm³
Sy 1.96 in³ 32,100.00 mm³
Zx 3.50 in³ 57,400.00 mm³
Zy 3.50 in³ 57,400.00 mm³
rx 1.21 in 30.70 mm
ry 1.21 in 30.70 mm
J 0.32 in⁴ 134,000.00 mm⁴
Cw 0.37 in⁶ 98,300,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L4x4x1/2.

Lighter in L4

L4x3-1/2x1/2

Weight
11.9 lb/ft (-7.0%)
Depth
3.50 in (-13%)
Ix
5.3 in⁴ (-4.0%)

Heavier in L4

L4x3x5/8

Weight
13.6 lb/ft (+6.2%)
Depth
3.00 in (-25%)
Ix
6.0 in⁴ (+8.9%)

Closest Iₓ in L4

L4x3x1/2

Weight
11.1 lb/ft (-13%)
Depth
3.00 in (-25%)
Ix
5.0 in⁴ (-9.1%)

Similar weight in L5

L5x3x1/2

Weight
12.8 lb/ft (0.0%)
Depth
3.00 in (-25%)
Ix
9.4 in⁴ (+71%)
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Source: AISC Shapes Database v16.0 · Methodology