Steel Beam Sizes / CISC / HSS Square / HA127×127×13

HA127×127×13 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

HA127×127×13 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 28.40 lb/ft 42.30 kg/m
Height 5.00 in 127.00 mm
Width 5.00 in 127.00 mm
Nominal tw 0.500 in 12.700 mm
Design tw 0.450 in 11.430 mm
Area 7.67 in² 4,950.00 mm²
Ix 25.47 in⁴ 10,600,000 mm⁴
Iy 25.47 in⁴ 10,600,000 mm⁴
Sx 10.19 in³ 167,000.00 mm³
Sy 10.19 in³ 167,000.00 mm³
Zx 12.75 in³ 209,000.00 mm³
Zy 12.75 in³ 209,000.00 mm³
rx 1.82 in 46.30 mm
ry 1.82 in 46.30 mm
J 43.49 in⁴ 18,100,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HA127×127×13.

Lighter in Square HSS

HA178×178×7.9

Weight
41.1 kg/m (-2.8%)
Depth
177.8 mm (+40%)
Ix
22,700,000 mm⁴ (+114%)

Heavier in Square HSS

HA203×203×7.9

Weight
47.4 kg/m (+12%)
Depth
203.2 mm (+60%)
Ix
34,600,000 mm⁴ (+226%)

Closest Iₓ in Square HSS

HS152×152×4.8

Weight
21.7 kg/m (-49%)
Depth
152.4 mm (+20%)
Ix
9,930,000 mm⁴ (-6.3%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Methodology