Steel Beam Sizes / CISC / HSS Square / HA127×127×3.2

HA127×127×3.2 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

HA127×127×3.2 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 8.16 lb/ft 12.20 kg/m
Height 5.00 in 127.00 mm
Width 5.00 in 127.00 mm
Nominal tw 0.125 in 3.180 mm
Design tw 0.113 in 2.860 mm
Area 2.17 in² 1,400.00 mm²
Ix 8.58 in⁴ 3,570,000 mm⁴
Iy 8.58 in⁴ 3,570,000 mm⁴
Sx 3.43 in³ 56,200.00 mm³
Sy 3.43 in³ 56,200.00 mm³
Zx 3.95 in³ 64,800.00 mm³
Zy 3.95 in³ 64,800.00 mm³
rx 1.99 in 50.50 mm
ry 1.99 in 50.50 mm
J 13.31 in⁴ 5,540,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HA127×127×3.2.

Lighter in Square HSS

HA64×64×6.4

Weight
10.6 kg/m (-13%)
Depth
63.5 mm (-50%)
Ix
664,000 mm⁴ (-81%)

Heavier in Square HSS

HA89×89×4.8

Weight
12.2 kg/m (+0.1%)
Depth
88.9 mm (-30%)
Ix
1,650,000 mm⁴ (-54%)

Closest Iₓ in Square HSS

HS102×102×6.4

Weight
18.2 kg/m (+50%)
Depth
101.6 mm (-20%)
Ix
3,420,000 mm⁴ (-4.2%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Methodology