Steel Beam Sizes / CISC / HSS Square / HA127×127×9.5

HA127×127×9.5 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

HA127×127×9.5 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 22.40 lb/ft 33.30 kg/m
Height 5.00 in 127.00 mm
Width 5.00 in 127.00 mm
Nominal tw 0.375 in 9.530 mm
Design tw 0.338 in 8.580 mm
Area 6.00 in² 3,870.00 mm²
Ix 21.19 in⁴ 8,820,000 mm⁴
Iy 21.19 in⁴ 8,820,000 mm⁴
Sx 8.48 in³ 139,000.00 mm³
Sy 8.48 in³ 139,000.00 mm³
Zx 10.31 in³ 169,000.00 mm³
Zy 10.31 in³ 169,000.00 mm³
rx 1.88 in 47.70 mm
ry 1.88 in 47.70 mm
J 35.08 in⁴ 14,600,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HA127×127×9.5.

Lighter in Square HSS

HA102×102×13

Weight
32.2 kg/m (-3.6%)
Depth
101.6 mm (-20%)
Ix
4,880,000 mm⁴ (-45%)

Heavier in Square HSS

HA152×152×7.9

Weight
34.7 kg/m (+4.5%)
Depth
152.4 mm (+20%)
Ix
13,900,000 mm⁴ (+58%)

Closest Iₓ in Square HSS

HA152×152×4.8

Weight
21.7 kg/m (-35%)
Depth
152.4 mm (+20%)
Ix
9,050,000 mm⁴ (+2.6%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Methodology