Steel Beam Sizes / CISC / HSS Square / HS127×127×6.4

HS127×127×6.4 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

HS127×127×6.4 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 15.60 lb/ft 23.20 kg/m
Height 5.00 in 127.00 mm
Width 5.00 in 127.00 mm
Nominal tw 0.250 in 6.350 mm
Design tw 0.250 in 6.350 mm
Area 4.59 in² 2,960.00 mm²
Ix 16.94 in⁴ 7,050,000 mm⁴
Iy 16.94 in⁴ 7,050,000 mm⁴
Sx 6.77 in³ 111,000.00 mm³
Sy 6.77 in³ 111,000.00 mm³
Zx 8.06 in³ 132,000.00 mm³
Zy 8.06 in³ 132,000.00 mm³
rx 1.92 in 48.80 mm
ry 1.92 in 48.80 mm
J 27.39 in⁴ 11,400,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HS127×127×6.4.

Lighter in Square HSS

HA102×102×7.9

Weight
22.1 kg/m (-4.5%)
Depth
101.6 mm (-20%)
Ix
3,720,000 mm⁴ (-47%)

Heavier in Square HSS

HA178×178×4.8

Weight
25.5 kg/m (+9.6%)
Depth
177.8 mm (+40%)
Ix
14,600,000 mm⁴ (+107%)

Closest Iₓ in Square HSS

HA127×127×6.4

Weight
23.2 kg/m (0.0%)
Depth
127.0 mm (0.0%)
Ix
6,490,000 mm⁴ (-7.9%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · CSA G40 · Methodology