Steel Beam Sizes / CISC / HSS Round / HS508×13

HS508×13 Steel Beam Dimensions and Properties

CISC Round HSS · v12.1

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

Units

Section diagram

HS508×13 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 0.500 in 12.700 mm
Area 30.69 in² 19,800.00 mm²
Ix 1,455.92 in⁴ 606,000,000 mm⁴
Iy 1,455.92 in⁴ 606,000,000 mm⁴
Sx 145.85 in³ 2,390,000 mm³
Sy 145.85 in³ 2,390,000 mm³
Zx 190.39 in³ 3,120,000 mm³
Zy 190.39 in³ 3,120,000 mm³
rx 6.89 in 175.00 mm
ry 6.89 in 175.00 mm
J 2,907.04 in⁴ 1,210,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HS508×13.

Lighter in Round HSS

HA406×16

Weight
153.0 kg/m (-1.0%)
Depth
— mm
Ix
339,000,000 mm⁴ (-44%)

Heavier in Round HSS

HA356×19

Weight
158.0 kg/m (+1.9%)
Depth
— mm
Ix
262,000,000 mm⁴ (-57%)

Closest Iₓ in Round HSS

HS457×19

Weight
206.0 kg/m (+33%)
Depth
— mm
Ix
630,000,000 mm⁴ (+4.0%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · CSA G40 · Availability: Check availability with the supplier. · Methodology