Steel Beam Sizes / AISC / HSS Square / HSS 9x9x5/16

HSS 9x9x5/16 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 9x9x5/16 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 36.10 lb/ft 53.60 kg/m
Height 9.00 in 229.00 mm
Width 9.00 in 229.00 mm
Nominal tw 0.313 in 7.940 mm
Design tw 0.291 in 7.390 mm
Area 9.92 in² 6,400.00 mm²
Ix 124.00 in⁴ 51,600,000 mm⁴
Iy 124.00 in⁴ 51,600,000 mm⁴
Sx 27.60 in³ 452,000.00 mm³
Sy 27.60 in³ 452,000.00 mm³
Zx 32.10 in³ 526,000.00 mm³
Zy 32.10 in³ 526,000.00 mm³
rx 3.54 in 89.90 mm
ry 3.54 in 89.90 mm
J 196.00 in⁴ 81,600,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 9x9x5/16.

Lighter in Square HSS

HSS 6x6x1/2

Weight
35.2 lb/ft (-2.4%)
Depth
6.00 in (-33%)
Ix
48.3 in⁴ (-61%)

Heavier in Square HSS

HSS 8x8x3/8

Weight
37.7 lb/ft (+4.4%)
Depth
8.00 in (-11%)
Ix
100.0 in⁴ (-19%)

Closest Iₓ in Square HSS

HSS 8x8x1/2

Weight
48.9 lb/ft (+35%)
Depth
8.00 in (-11%)
Ix
125.0 in⁴ (+0.8%)
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Source: AISC Shapes Database v16.0 · Methodology