Steel Beam Sizes / AISC / HSS Round / HSS 20.000x0.250

HSS 20.000x0.250 Dimensions, Weight and Section Properties

AISC Round HSS · v16.0

HSS 20.000x0.250: 52.78 lb/ft weight. View the full dimensions and properties in imperial and metric units below.

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

Units

Section diagram

HSS 20.000x0.250 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 52.78 lb/ft 78.50 kg/m
OD 20.000 in 508.000 mm
Nominal tw 0.250 in 6.350 mm
Design tw 0.233 in 5.920 mm
Area 14.40 in² 9,290.00 mm²
Ix 705.00 in⁴ 293,000,000 mm⁴
Iy 705.00 in⁴ 293,000,000 mm⁴
Sx 70.50 in³ 1,160,000 mm³
Sy 70.50 in³ 1,160,000 mm³
Zx 90.90 in³ 1,490,000 mm³
Zy 90.90 in³ 1,490,000 mm³
rx 6.99 in 178.00 mm
ry 6.99 in 178.00 mm
J 1,410.00 in⁴ 587,000,000 mm⁴

Alternatives

Useful nearby sections

Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus HSS 20.000x0.250.

Lighter in Round HSS

HSS 16.000x0.312

Weight
52.3 lb/ft (-0.9%)
Depth
— in
Ix
443.0 in⁴ (-37%)

Heavier in Round HSS

HSS 8.625x0.625

Weight
53.5 lb/ft (+1.3%)
Depth
— in
Ix
119.0 in⁴ (-83%)

Another Iₓ option in Round HSS

HSS 16.000x0.500

Weight
82.9 lb/ft (+57%)
Depth
— in
Ix
685.0 in⁴ (-2.8%)
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Source: AISC Shapes Database v16.0 · Methodology