Steel Beam Sizes / CISC / HSS Square / HS203×203×6.4

HS203×203×6.4 Steel Beam Dimensions and Properties

CISC Square HSS · v12.1

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

Units

Section diagram

HS203×203×6.4 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 25.80 lb/ft 38.40 kg/m
Height 8.00 in 203.20 mm
Width 8.00 in 203.20 mm
Nominal tw 0.250 in 6.350 mm
Design tw 0.250 in 6.350 mm
Area 7.60 in² 4,900.00 mm²
Ix 75.20 in⁴ 31,300,000 mm⁴
Iy 75.20 in⁴ 31,300,000 mm⁴
Sx 18.80 in³ 308,000.00 mm³
Sy 18.80 in³ 308,000.00 mm³
Zx 21.91 in³ 359,000.00 mm³
Zy 21.91 in³ 359,000.00 mm³
rx 3.15 in 79.90 mm
ry 3.15 in 79.90 mm
J 118.44 in⁴ 49,300,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HS203×203×6.4.

Lighter in Square HSS

HA254×254×4.8

Weight
36.9 kg/m (-3.9%)
Depth
254.0 mm (+25%)
Ix
43,900,000 mm⁴ (+40%)

Heavier in Square HSS

HA152×152×9.5

Weight
40.9 kg/m (+6.6%)
Depth
152.4 mm (-25%)
Ix
16,000,000 mm⁴ (-49%)

Closest Iₓ in Square HSS

HA178×178×13

Weight
62.6 kg/m (+63%)
Depth
177.8 mm (-13%)
Ix
32,700,000 mm⁴ (+4.5%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · CSA G40 · Methodology