Steel Beam Sizes / CISC / HSS Square / HA178×178×16

HA178×178×16 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

HA178×178×16 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 50.80 lb/ft 75.60 kg/m
Height 7.00 in 177.80 mm
Width 7.00 in 177.80 mm
Nominal tw 0.625 in 15.880 mm
Design tw 0.563 in 14.290 mm
Area 13.67 in² 8,820.00 mm²
Ix 91.54 in⁴ 38,100,000 mm⁴
Iy 91.54 in⁴ 38,100,000 mm⁴
Sx 26.12 in³ 428,000.00 mm³
Sy 26.12 in³ 428,000.00 mm³
Zx 32.28 in³ 529,000.00 mm³
Zy 32.28 in³ 529,000.00 mm³
rx 2.59 in 65.70 mm
ry 2.59 in 65.70 mm
J 154.48 in⁴ 64,300,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HA178×178×16.

Lighter in Square HSS

HA203×203×13

Weight
72.7 kg/m (-3.7%)
Depth
203.2 mm (+14%)
Ix
50,600,000 mm⁴ (+33%)

Heavier in Square HSS

HA356×356×7.9

Weight
85.4 kg/m (+13%)
Depth
355.6 mm (+100%)
Ix
198,000,000 mm⁴ (+420%)

Closest Iₓ in Square HSS

HS203×203×7.9

Weight
47.4 kg/m (-37%)
Depth
203.2 mm (+14%)
Ix
37,800,000 mm⁴ (-0.8%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Methodology