Steel Beam Sizes / AISC / HSS Square / HSS 8x8x5/8

HSS 8x8x5/8 Steel Beam Dimensions and Properties

AISC Square HSS · v16.0

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Diagram, properties emphasis, and nearby alternatives use the selected unit system.

Units

Section diagram

HSS 8x8x5/8 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 59.32 lb/ft 88.00 kg/m
Height 8.00 in 203.00 mm
Width 8.00 in 203.00 mm
Nominal tw 0.625 in 15.900 mm
Design tw 0.581 in 14.800 mm
Area 16.40 in² 10,600.00 mm²
Ix 146.00 in⁴ 60,800,000 mm⁴
Iy 146.00 in⁴ 60,800,000 mm⁴
Sx 36.50 in³ 598,000.00 mm³
Sy 36.50 in³ 598,000.00 mm³
Zx 44.70 in³ 733,000.00 mm³
Zy 44.70 in³ 733,000.00 mm³
rx 2.99 in 75.90 mm
ry 2.99 in 75.90 mm
J 244.00 in⁴ 102,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 8x8x5/8.

Lighter in Square HSS

HSS 12x12x3/8

Weight
58.1 lb/ft (-2.1%)
Depth
12.00 in (+50%)
Ix
357.0 in⁴ (+145%)

Heavier in Square HSS

HSS 18x18x1/4

Weight
59.9 lb/ft (+0.9%)
Depth
18.00 in (+125%)
Ix
860.0 in⁴ (+489%)

Closest Iₓ in Square HSS

HSS 9x9x3/8

Weight
42.8 lb/ft (-28%)
Depth
9.00 in (+13%)
Ix
145.0 in⁴ (-0.7%)
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Source: AISC Shapes Database v16.0 · Methodology