Steel Beam Sizes / CISC / HSS Square / HS559×559×16

HS559×559×16 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

HS559×559×16 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 178.00 lb/ft 266.00 kg/m
Height 22.00 in 558.80 mm
Width 22.00 in 558.80 mm
Nominal tw 0.625 in 15.880 mm
Design tw 0.625 in 15.880 mm
Area 52.39 in² 33,800.00 mm²
Ix 3,964.14 in⁴ 1,650,000,000 mm⁴
Iy 3,964.14 in⁴ 1,650,000,000 mm⁴
Sx 359.43 in³ 5,890,000 mm³
Sy 359.43 in³ 5,890,000 mm³
Zx 417.40 in³ 6,840,000 mm³
Zy 417.40 in³ 6,840,000 mm³
rx 8.70 in 221.00 mm
ry 8.70 in 221.00 mm
J 6,198.47 in⁴ 2,580,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HS559×559×16.

Lighter in Square HSS

HA406×406×22

Weight
258.0 kg/m (-2.8%)
Depth
406.4 mm (-27%)
Ix
731,000,000 mm⁴ (-56%)

Heavier in Square HSS

HA508×508×19

Weight
285.0 kg/m (+7.9%)
Depth
508.0 mm (-9.1%)
Ix
1,310,000,000 mm⁴ (-21%)

Closest Iₓ in Square HSS

HA508×508×25

Weight
372.0 kg/m (+40%)
Depth
508.0 mm (-9.1%)
Ix
1,660,000,000 mm⁴ (+0.6%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · CSA G40 · Availability: Check availability with the supplier. · Methodology