Steel Beam Sizes / CISC / HSS Round / HA406×13

HA406×13 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

HA406×13 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 82.90 lb/ft 123.00 kg/m
OD 16.000 in 406.400 mm
Nominal tw 0.500 in 12.700 mm
Design tw 0.450 in 11.430 mm
Area 22.01 in² 14,200.00 mm²
Ix 665.50 in⁴ 277,000,000 mm⁴
Iy 665.50 in⁴ 277,000,000 mm⁴
Sx 82.99 in³ 1,360,000 mm³
Sy 82.99 in³ 1,360,000 mm³
Zx 108.62 in³ 1,780,000 mm³
Zy 108.62 in³ 1,780,000 mm³
rx 5.51 in 140.00 mm
ry 5.51 in 140.00 mm
J 1,330.99 in⁴ 554,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HA406×13.

Lighter in Round HSS

HA324×16

Weight
121.0 kg/m (-2.3%)
Depth
— mm
Ix
167,000,000 mm⁴ (-40%)

Heavier in Round HSS

HA356×16

Weight
133.0 kg/m (+7.8%)
Depth
— mm
Ix
224,000,000 mm⁴ (-19%)

Closest Iₓ in Round HSS

HA508×6.4

Weight
78.6 kg/m (-36%)
Depth
— mm
Ix
285,000,000 mm⁴ (+2.9%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Methodology