Steel Beam Sizes / AISC / HSS Round / HSS 20.000x0.500

HSS 20.000x0.500 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 20.000x0.500 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 104.00 lb/ft 155.00 kg/m
OD 20.000 in 508.000 mm
Nominal tw 0.500 in 12.700 mm
Design tw 0.465 in 11.800 mm
Area 28.50 in² 18,400.00 mm²
Ix 1,360.00 in⁴ 566,000,000 mm⁴
Iy 1,360.00 in⁴ 566,000,000 mm⁴
Sx 136.00 in³ 2,230,000 mm³
Sy 136.00 in³ 2,230,000 mm³
Zx 177.00 in³ 2,900,000 mm³
Zy 177.00 in³ 2,900,000 mm³
rx 6.91 in 176.00 mm
ry 6.91 in 176.00 mm
J 2,720.00 in⁴ 1,130,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 20.000x0.500.

Lighter in Round HSS

HSS 16.000x0.625

Weight
103.0 lb/ft (-1.0%)
Depth
— in
Ix
838.0 in⁴ (-38%)

Heavier in Round HSS

HSS 14.000x0.750

Weight
106.2 lb/ft (+2.1%)
Depth
— in
Ix
647.0 in⁴ (-52%)

Closest Iₓ in Round HSS

HSS 22.000x0.375

Weight
86.7 lb/ft (-17%)
Depth
— in
Ix
1,390.0 in⁴ (+2.2%)
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Source: AISC Shapes Database v16.0 · Methodology