Steel Beam Sizes / CISC / HSS Round / HS89×6.4

HS89×6.4 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

HS89×6.4 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 8.69 lb/ft 12.90 kg/m
OD 3.500 in 88.900 mm
Nominal tw 0.250 in 6.350 mm
Design tw 0.250 in 6.350 mm
Area 2.56 in² 1,650.00 mm²
Ix 3.39 in⁴ 1,410,000 mm⁴
Iy 3.39 in⁴ 1,410,000 mm⁴
Sx 1.93 in³ 31,700.00 mm³
Sy 1.93 in³ 31,700.00 mm³
Zx 2.65 in³ 43,400.00 mm³
Zy 2.65 in³ 43,400.00 mm³
rx 1.15 in 29.30 mm
ry 1.15 in 29.30 mm
J 6.78 in⁴ 2,820,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HS89×6.4.

Lighter in Round HSS

HA114×4.8

Weight
12.9 kg/m (-0.2%)
Depth
— mm
Ix
2,250,000 mm⁴ (+60%)

Heavier in Round HSS

HA102×6.4

Weight
14.9 kg/m (+15%)
Depth
— mm
Ix
1,990,000 mm⁴ (+41%)

Closest Iₓ in Round HSS

HA89×6.4

Weight
12.9 kg/m (0.0%)
Depth
— mm
Ix
1,300,000 mm⁴ (-7.8%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · CSA G40 · Methodology