Steel Beam Sizes / CISC / HSS Round / HA508×6.4

HA508×6.4 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

HA508×6.4 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 52.80 lb/ft 78.60 kg/m
OD 20.000 in 508.000 mm
Nominal tw 0.250 in 6.350 mm
Design tw 0.225 in 5.720 mm
Area 14.00 in² 9,030.00 mm²
Ix 684.72 in⁴ 285,000,000 mm⁴
Iy 684.72 in⁴ 285,000,000 mm⁴
Sx 68.35 in³ 1,120,000 mm³
Sy 68.35 in³ 1,120,000 mm³
Zx 87.87 in³ 1,440,000 mm³
Zy 87.87 in³ 1,440,000 mm³
rx 7.01 in 178.00 mm
ry 7.01 in 178.00 mm
J 1,367.03 in⁴ 569,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HA508×6.4.

Lighter in Round HSS

HA324×9.5

Weight
73.9 kg/m (-6.1%)
Depth
— mm
Ix
106,000,000 mm⁴ (-63%)

Heavier in Round HSS

HA356×9.5

Weight
81.3 kg/m (+3.4%)
Depth
— mm
Ix
141,000,000 mm⁴ (-51%)

Closest Iₓ in Round HSS

HS356×19

Weight
158.0 kg/m (+101%)
Depth
— mm
Ix
286,000,000 mm⁴ (+0.4%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Availability: Check availability with the supplier. · Methodology