Steel Beam Sizes / AISC / HSS Square / HSS 8x8x1/2

HSS 8x8x1/2 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 8x8x1/2 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 48.85 lb/ft 72.50 kg/m
Height 8.00 in 203.00 mm
Width 8.00 in 203.00 mm
Nominal tw 0.500 in 12.700 mm
Design tw 0.465 in 11.800 mm
Area 13.50 in² 8,710.00 mm²
Ix 125.00 in⁴ 52,000,000 mm⁴
Iy 125.00 in⁴ 52,000,000 mm⁴
Sx 31.20 in³ 511,000.00 mm³
Sy 31.20 in³ 511,000.00 mm³
Zx 37.50 in³ 615,000.00 mm³
Zy 37.50 in³ 615,000.00 mm³
rx 3.04 in 77.20 mm
ry 3.04 in 77.20 mm
J 204.00 in⁴ 84,900,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 8x8x1/2.

Lighter in Square HSS

HSS 10x10x3/8

Weight
47.9 lb/ft (-1.9%)
Depth
10.00 in (+25%)
Ix
202.0 in⁴ (+62%)

Heavier in Square HSS

HSS 12x12x5/16

Weight
48.9 lb/ft (+0.0%)
Depth
12.00 in (+50%)
Ix
304.0 in⁴ (+143%)

Closest Iₓ in Square HSS

HSS 9x9x5/16

Weight
36.1 lb/ft (-26%)
Depth
9.00 in (+13%)
Ix
124.0 in⁴ (-0.8%)
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Source: AISC Shapes Database v16.0 · Methodology