Steel Beam Sizes / CISC / HSS Square / HA305×305×6.4

HA305×305×6.4 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

HA305×305×6.4 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 0.225 in 5.720 mm
Area 10.48 in² 6,760.00 mm²
Ix 240.25 in⁴ 100,000,000 mm⁴
Iy 240.25 in⁴ 100,000,000 mm⁴
Sx 40.09 in³ 657,000.00 mm³
Sy 40.09 in³ 657,000.00 mm³
Zx 46.07 in³ 755,000.00 mm³
Zy 46.07 in³ 755,000.00 mm³
rx 4.80 in 122.00 mm
ry 4.80 in 122.00 mm
J 372.39 in⁴ 155,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HA305×305×6.4.

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 (-60%)

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 (-30%)

Closest Iₓ in Square HSS

HA254×254×13

Weight
93.0 kg/m (+59%)
Depth
254.0 mm (-17%)
Ix
104,000,000 mm⁴ (+4.0%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Methodology