Steel Beam Sizes / AISC / HSS Round / HSS 20.000x1.000

HSS 20.000x1.000 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 20.000x1.000 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 203.11 lb/ft 302.00 kg/m
OD 20.000 in 508.000 mm
Nominal tw 1.000 in 25.400 mm
Design tw 0.930 in 23.600 mm
Area 55.70 in² 35,900.00 mm²
Ix 2,540.00 in⁴ 1,060,000,000 mm⁴
Iy 2,540.00 in⁴ 1,060,000,000 mm⁴
Sx 254.00 in³ 4,160,000 mm³
Sy 254.00 in³ 4,160,000 mm³
Zx 338.00 in³ 5,540,000 mm³
Zy 338.00 in³ 5,540,000 mm³
rx 6.75 in 171.00 mm
ry 6.75 in 171.00 mm
J 5,080.00 in⁴ 2,110,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 20.000x1.000.

Lighter in Round HSS

HSS 26.000x0.750

Weight
202.4 lb/ft (-0.3%)
Depth
— in
Ix
4,440.0 in⁴ (+75%)

Heavier in Round HSS

HSS 24.000x0.875

Weight
216.3 lb/ft (+6.5%)
Depth
— in
Ix
3,990.0 in⁴ (+57%)

Closest Iₓ in Round HSS

HSS 22.000x0.750

Weight
170.4 lb/ft (-16%)
Depth
— in
Ix
2,650.0 in⁴ (+4.3%)
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Source: AISC Shapes Database v16.0 · Methodology