Steel Beam Sizes / CISC / HSS Square / HA127×127×4.8

HA127×127×4.8 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

HA127×127×4.8 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 12.00 lb/ft 17.90 kg/m
Height 5.00 in 127.00 mm
Width 5.00 in 127.00 mm
Nominal tw 0.188 in 4.780 mm
Design tw 0.169 in 4.300 mm
Area 3.19 in² 2,060.00 mm²
Ix 12.28 in⁴ 5,110,000 mm⁴
Iy 12.28 in⁴ 5,110,000 mm⁴
Sx 4.92 in³ 80,600.00 mm³
Sy 4.92 in³ 80,600.00 mm³
Zx 5.75 in³ 94,200.00 mm³
Zy 5.75 in³ 94,200.00 mm³
rx 1.96 in 49.80 mm
ry 1.96 in 49.80 mm
J 19.44 in⁴ 8,090,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HA127×127×4.8.

Lighter in Square HSS

HA76×76×7.9

Weight
15.7 kg/m (-12%)
Depth
76.2 mm (-40%)
Ix
1,410,000 mm⁴ (-72%)

Heavier in Square HSS

HA102×102×6.4

Weight
18.2 kg/m (+1.7%)
Depth
101.6 mm (-20%)
Ix
3,170,000 mm⁴ (-38%)

Closest Iₓ in Square HSS

HS102×102×13

Weight
32.2 kg/m (+80%)
Depth
101.6 mm (-20%)
Ix
5,100,000 mm⁴ (-0.2%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Methodology