Steel Beam Sizes / AISC / HSS Round / HSS 5.500x0.258

HSS 5.500x0.258 Steel Beam Dimensions and Properties

AISC Round HSS · v16.0

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

Units

Section diagram

HSS 5.500x0.258 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 14.46 lb/ft 21.50 kg/m
OD 5.500 in 140.000 mm
Nominal tw 0.258 in 6.550 mm
Design tw 0.240 in 6.100 mm
Area 3.97 in² 2,560.00 mm²
Ix 13.70 in⁴ 5,700,000 mm⁴
Iy 13.70 in⁴ 5,700,000 mm⁴
Sx 5.00 in³ 81,900.00 mm³
Sy 5.00 in³ 81,900.00 mm³
Zx 6.64 in³ 109,000.00 mm³
Zy 6.64 in³ 109,000.00 mm³
rx 1.86 in 47.20 mm
ry 1.86 in 47.20 mm
J 27.50 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 HSS 5.500x0.258.

Lighter in Round HSS

HSS 7.000x0.188

Weight
13.7 lb/ft (-5.3%)
Depth
— in
Ix
21.7 in⁴ (+58%)

Heavier in Round HSS

HSS 5.563x0.258

Weight
14.6 lb/ft (+1.2%)
Depth
— in
Ix
14.2 in⁴ (+3.6%)

Closest Iₓ in Round HSS

HSS 6.000x0.188

Weight
11.7 lb/ft (-19%)
Depth
— in
Ix
13.5 in⁴ (-1.5%)
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Source: AISC Shapes Database v16.0 · Methodology