Steel Beam Sizes / AISC / HSS Square / HSS 9x9x1/8

HSS 9x9x1/8 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 9x9x1/8 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 14.96 lb/ft 22.30 kg/m
Height 9.00 in 229.00 mm
Width 9.00 in 229.00 mm
Nominal tw 0.125 in 3.180 mm
Design tw 0.116 in 2.950 mm
Area 4.09 in² 2,640.00 mm²
Ix 53.50 in⁴ 22,300,000 mm⁴
Iy 53.50 in⁴ 22,300,000 mm⁴
Sx 11.90 in³ 195,000.00 mm³
Sy 11.90 in³ 195,000.00 mm³
Zx 13.60 in³ 223,000.00 mm³
Zy 13.60 in³ 223,000.00 mm³
rx 3.62 in 91.90 mm
ry 3.62 in 91.90 mm
J 82.00 in⁴ 34,100,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 9x9x1/8.

Lighter in Square HSS

HSS 4x4x5/16

Weight
14.8 lb/ft (-0.9%)
Depth
4.00 in (-56%)
Ix
9.1 in⁴ (-83%)

Heavier in Square HSS

HSS 5x5x1/4

Weight
15.6 lb/ft (+4.4%)
Depth
5.00 in (-44%)
Ix
16.0 in⁴ (-70%)

Closest Iₓ in Square HSS

HSS 8x8x3/16

Weight
19.6 lb/ft (+31%)
Depth
8.00 in (-11%)
Ix
54.4 in⁴ (+1.7%)
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Source: AISC Shapes Database v16.0 · Methodology