Steel Beam Sizes / CISC / HSS Square / HS305×305×6.4

HS305×305×6.4 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

HS305×305×6.4 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 39.40 lb/ft 58.70 kg/m
Height 12.00 in 304.80 mm
Width 12.00 in 304.80 mm
Nominal tw 0.250 in 6.350 mm
Design tw 0.250 in 6.350 mm
Area 11.59 in² 7,480.00 mm²
Ix 264.28 in⁴ 110,000,000 mm⁴
Iy 264.28 in⁴ 110,000,000 mm⁴
Sx 44.12 in³ 723,000.00 mm³
Sy 44.12 in³ 723,000.00 mm³
Zx 50.83 in³ 833,000.00 mm³
Zy 50.83 in³ 833,000.00 mm³
rx 4.76 in 121.00 mm
ry 4.76 in 121.00 mm
J 410.83 in⁴ 171,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HS305×305×6.4.

Lighter in Square HSS

HA203×203×9.5

Weight
56.1 kg/m (-4.3%)
Depth
203.2 mm (-33%)
Ix
40,400,000 mm⁴ (-63%)

Heavier in Square HSS

HA254×254×7.9

Weight
60.1 kg/m (+2.5%)
Depth
254.0 mm (-17%)
Ix
69,700,000 mm⁴ (-37%)

Closest Iₓ in Square HSS

HS254×254×13

Weight
93.0 kg/m (+59%)
Depth
254.0 mm (-17%)
Ix
113,000,000 mm⁴ (+2.7%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · CSA G40 · Methodology