Steel Beam Sizes / AISC / Angles / L8x4x9/16

L8x4x9/16 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

L8x4x9/16 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 21.90 lb/ft 32.40 kg/m
Width 8.00 in 203.00 mm
Height 4.00 in 102.00 mm
t 0.563 in 14.300 mm
Area 6.49 in² 4,190.00 mm²
Ix 42.90 in⁴ 17,900,000 mm⁴
Iy 7.44 in⁴ 3,100,000 mm⁴
Sx 8.34 in³ 137,000.00 mm³
Sy 2.38 in³ 39,000.00 mm³
Zx 14.60 in³ 239,000.00 mm³
Zy 4.39 in³ 71,900.00 mm³
rx 2.57 in 65.30 mm
ry 1.07 in 27.20 mm
J 0.70 in⁴ 293,000.00 mm⁴
Cw 2.53 in⁶ 679,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L8x4x9/16.

Lighter in L8

L8x6x7/16

Weight
20.2 lb/ft (-7.8%)
Depth
6.00 in (+50%)
Ix
39.3 in⁴ (-8.4%)

Heavier in L8

L8x6x1/2

Weight
23.0 lb/ft (+5.0%)
Depth
6.00 in (+50%)
Ix
44.4 in⁴ (+3.5%)

Closest Iₓ in L8

L8x4x5/8

Weight
24.2 lb/ft (+11%)
Depth
4.00 in (0.0%)
Ix
47.0 in⁴ (+9.6%)

Similar weight in L7

L7x4x5/8

Weight
22.1 lb/ft (+0.9%)
Depth
4.00 in (0.0%)
Ix
32.4 in⁴ (-24%)
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Source: AISC Shapes Database v16.0 · Methodology