Steel Beam Sizes / AISC / HSS Square / HSS 9x9x1/2

HSS 9x9x1/2 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 9x9x1/2 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 55.66 lb/ft 82.60 kg/m
Height 9.00 in 229.00 mm
Width 9.00 in 229.00 mm
Nominal tw 0.500 in 12.700 mm
Design tw 0.465 in 11.800 mm
Area 15.30 in² 9,870.00 mm²
Ix 183.00 in⁴ 76,200,000 mm⁴
Iy 183.00 in⁴ 76,200,000 mm⁴
Sx 40.60 in³ 665,000.00 mm³
Sy 40.60 in³ 665,000.00 mm³
Zx 48.40 in³ 793,000.00 mm³
Zy 48.40 in³ 793,000.00 mm³
rx 3.45 in 87.60 mm
ry 3.45 in 87.60 mm
J 296.00 in⁴ 123,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 9x9x1/2.

Lighter in Square HSS

HSS 16x16x1/4

Weight
53.1 lb/ft (-4.7%)
Depth
16.00 in (+78%)
Ix
600.0 in⁴ (+228%)

Heavier in Square HSS

HSS 14x14x5/16

Weight
57.4 lb/ft (+3.1%)
Depth
14.00 in (+56%)
Ix
490.0 in⁴ (+168%)

Closest Iₓ in Square HSS

HSS 12x12x3/16

Weight
29.8 lb/ft (-46%)
Depth
12.00 in (+33%)
Ix
189.0 in⁴ (+3.3%)
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Source: AISC Shapes Database v16.0 · Methodology