Steel Beam Sizes / AISC / HSS Square / HSS 8x8x3/8

HSS 8x8x3/8 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 8x8x3/8 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 37.69 lb/ft 56.00 kg/m
Height 8.00 in 203.00 mm
Width 8.00 in 203.00 mm
Nominal tw 0.375 in 9.530 mm
Design tw 0.349 in 8.860 mm
Area 10.40 in² 6,710.00 mm²
Ix 100.00 in⁴ 41,600,000 mm⁴
Iy 100.00 in⁴ 41,600,000 mm⁴
Sx 24.90 in³ 408,000.00 mm³
Sy 24.90 in³ 408,000.00 mm³
Zx 29.40 in³ 482,000.00 mm³
Zy 29.40 in³ 482,000.00 mm³
rx 3.10 in 78.70 mm
ry 3.10 in 78.70 mm
J 160.00 in⁴ 66,600,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 8x8x3/8.

Lighter in Square HSS

HSS 9x9x5/16

Weight
36.1 lb/ft (-4.2%)
Depth
9.00 in (+13%)
Ix
124.0 in⁴ (+24%)

Heavier in Square HSS

HSS 12x12x1/4

Weight
39.4 lb/ft (+4.6%)
Depth
12.00 in (+50%)
Ix
248.0 in⁴ (+148%)

Closest Iₓ in Square HSS

HSS 9x9x1/4

Weight
29.2 lb/ft (-22%)
Depth
9.00 in (+13%)
Ix
102.0 in⁴ (+2.0%)
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Source: AISC Shapes Database v16.0 · Methodology