Steel Beam Sizes / AISC / HSS Square / HSS 5x5x1/8

HSS 5x5x1/8 Steel Beam Dimensions and Properties

AISC Square HSS · v16.0

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Diagram, properties emphasis, and nearby alternatives use the selected unit system.

Units

Section diagram

HSS 5x5x1/8 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 8.16 lb/ft 12.10 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 0.116 in 2.950 mm
Area 2.23 in² 1,440.00 mm²
Ix 8.80 in⁴ 3,660,000 mm⁴
Iy 8.80 in⁴ 3,660,000 mm⁴
Sx 3.52 in³ 57,700.00 mm³
Sy 3.52 in³ 57,700.00 mm³
Zx 4.07 in³ 66,700.00 mm³
Zy 4.07 in³ 66,700.00 mm³
rx 1.99 in 50.50 mm
ry 1.99 in 50.50 mm
J 13.70 in⁴ 5,700,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 5x5x1/8.

Lighter in Square HSS

HSS 3-1/2x3-1/2x3/16

Weight
8.2 lb/ft (-0.1%)
Depth
3.50 in (-30%)
Ix
4.1 in⁴ (-54%)

Heavier in Square HSS

HSS 2-1/2x2-1/2x5/16

Weight
8.5 lb/ft (+3.6%)
Depth
2.50 in (-50%)
Ix
1.8 in⁴ (-79%)

Closest Iₓ in Square HSS

HSS 4-1/2x4-1/2x3/16

Weight
10.7 lb/ft (+31%)
Depth
4.50 in (-10%)
Ix
9.0 in⁴ (+2.5%)
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Source: AISC Shapes Database v16.0 · Methodology