Steel Beam Sizes / AISC / Angles / L3-1/2x2-1/2x5/16

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

L3-1/2x2-1/2x5/16 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 6.10 lb/ft 9.00 kg/m
Width 3.50 in 88.90 mm
Height 2.50 in 63.50 mm
t 0.313 in 7.940 mm
Area 1.79 in² 1,150.00 mm²
Ix 2.20 in⁴ 916,000.00 mm⁴
Iy 0.94 in⁴ 390,000.00 mm⁴
Sx 0.93 in³ 15,200.00 mm³
Sy 0.50 in³ 8,210.00 mm³
Zx 1.67 in³ 27,400.00 mm³
Zy 0.90 in³ 14,700.00 mm³
rx 1.11 in 28.20 mm
ry 0.72 in 18.40 mm
J 0.06 in⁴ 25,400.00 mm⁴
Cw 0.04 in⁶ 11,400,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L3-1/2x2-1/2x5/16.

Lighter in L3

L3x2x3/8

Weight
5.9 lb/ft (-3.3%)
Depth
2.00 in (-20%)
Ix
1.5 in⁴ (-30%)

Heavier in L3

L3-1/2x3x5/16

Weight
6.6 lb/ft (+8.2%)
Depth
3.00 in (+20%)
Ix
2.3 in⁴ (+5.9%)

Closest Iₓ in L3

L3x3x1/2

Weight
9.4 lb/ft (+54%)
Depth
3.00 in (+20%)
Ix
2.2 in⁴ (0.0%)

Similar weight in L4

L4x3-1/2x1/4

Weight
6.2 lb/ft (+1.6%)
Depth
3.50 in (+40%)
Ix
2.9 in⁴ (+31%)
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Source: AISC Shapes Database v16.0 · Methodology