Steel Beam Sizes / CISC / HSS Square / HA178×178×13

HA178×178×13 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

HA178×178×13 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 42.10 lb/ft 62.60 kg/m
Height 7.00 in 177.80 mm
Width 7.00 in 177.80 mm
Nominal tw 0.500 in 12.700 mm
Design tw 0.450 in 11.430 mm
Area 11.27 in² 7,270.00 mm²
Ix 78.56 in⁴ 32,700,000 mm⁴
Iy 78.56 in⁴ 32,700,000 mm⁴
Sx 22.46 in³ 368,000.00 mm³
Sy 22.46 in³ 368,000.00 mm³
Zx 27.22 in³ 446,000.00 mm³
Zy 27.22 in³ 446,000.00 mm³
rx 2.64 in 67.10 mm
ry 2.64 in 67.10 mm
J 129.98 in⁴ 54,100,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HA178×178×13.

Lighter in Square HSS

HA254×254×7.9

Weight
60.1 kg/m (-4.0%)
Depth
254.0 mm (+43%)
Ix
69,700,000 mm⁴ (+113%)

Heavier in Square HSS

HA254×254×9.5

Weight
71.3 kg/m (+14%)
Depth
254.0 mm (+43%)
Ix
81,700,000 mm⁴ (+150%)

Closest Iₓ in Square HSS

HS203×203×6.4

Weight
38.4 kg/m (-39%)
Depth
203.2 mm (+14%)
Ix
31,300,000 mm⁴ (-4.3%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Methodology