Steel Beam Sizes / AISC / Angles / L8x4x7/8

L8x4x7/8 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

L8x4x7/8 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 33.10 lb/ft 49.30 kg/m
Width 8.00 in 203.00 mm
Height 4.00 in 102.00 mm
t 0.875 in 22.200 mm
Area 9.79 in² 6,320.00 mm²
Ix 62.60 in⁴ 26,100,000 mm⁴
Iy 10.50 in⁴ 4,370,000 mm⁴
Sx 12.50 in³ 205,000.00 mm³
Sy 3.51 in³ 57,500.00 mm³
Zx 21.70 in³ 356,000.00 mm³
Zy 6.77 in³ 111,000.00 mm³
rx 2.53 in 64.30 mm
ry 1.04 in 26.40 mm
J 2.51 in⁴ 1,040,000 mm⁴
Cw 8.89 in⁶ 2,390,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L8x4x7/8.

Lighter in L8

L8x8x5/8

Weight
32.7 lb/ft (-1.2%)
Depth
8.00 in (+100%)
Ix
59.6 in⁴ (-4.8%)

Heavier in L8

L8x6x3/4

Weight
33.8 lb/ft (+2.1%)
Depth
6.00 in (+50%)
Ix
63.5 in⁴ (+1.4%)

Closest Iₓ in L8

L8x4x1

Weight
37.4 lb/ft (+13%)
Depth
4.00 in (0.0%)
Ix
69.7 in⁴ (+11%)

Similar weight in L7

L7x4x3/4

Weight
26.2 lb/ft (-21%)
Depth
4.00 in (0.0%)
Ix
37.8 in⁴ (-40%)
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Source: AISC Shapes Database v16.0 · Methodology