Steel Beam Sizes / CISC / HSS Square / HS305×305×16

HS305×305×16 Steel Beam Dimensions and Properties

CISC Square HSS · v12.1

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Diagram, properties emphasis, and nearby alternatives use the selected unit system.

Units

Section diagram

HS305×305×16 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 93.40 lb/ft 139.00 kg/m
Height 12.00 in 304.80 mm
Width 12.00 in 304.80 mm
Nominal tw 0.625 in 15.880 mm
Design tw 0.625 in 15.880 mm
Area 27.44 in² 17,700.00 mm²
Ix 581.41 in⁴ 242,000,000 mm⁴
Iy 581.41 in⁴ 242,000,000 mm⁴
Sx 97.03 in³ 1,590,000 mm³
Sy 97.03 in³ 1,590,000 mm³
Zx 115.33 in³ 1,890,000 mm³
Zy 115.33 in³ 1,890,000 mm³
rx 4.61 in 117.00 mm
ry 4.61 in 117.00 mm
J 941.78 in⁴ 392,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HS305×305×16.

Lighter in Square HSS

HA356×356×13

Weight
133.0 kg/m (-4.0%)
Depth
355.6 mm (+17%)
Ix
301,000,000 mm⁴ (+24%)

Heavier in Square HSS

HA406×406×13

Weight
154.0 kg/m (+10%)
Depth
406.4 mm (+33%)
Ix
456,000,000 mm⁴ (+88%)

Closest Iₓ in Square HSS

HA356×356×9.5

Weight
102.0 kg/m (-27%)
Depth
355.6 mm (+17%)
Ix
233,000,000 mm⁴ (-3.7%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · CSA G40 · Methodology