Steel Beam Sizes / CISC / HSS Square / HS559×559×25

HS559×559×25 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

HS559×559×25 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 277.00 lb/ft 412.00 kg/m
Height 22.00 in 558.80 mm
Width 22.00 in 558.80 mm
Nominal tw 1.000 in 25.400 mm
Design tw 1.000 in 25.400 mm
Area 81.38 in² 52,500.00 mm²
Ix 5,886.15 in⁴ 2,450,000,000 mm⁴
Iy 5,886.15 in⁴ 2,450,000,000 mm⁴
Sx 535.18 in³ 8,770,000 mm³
Sy 535.18 in³ 8,770,000 mm³
Zx 634.65 in³ 10,400,000 mm³
Zy 634.65 in³ 10,400,000 mm³
rx 8.50 in 216.00 mm
ry 8.50 in 216.00 mm
J 9,465.89 in⁴ 3,940,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HS559×559×25.

Lighter in Square HSS

HA508×508×25

Weight
372.0 kg/m (-9.7%)
Depth
508.0 mm (-9.1%)
Ix
1,660,000,000 mm⁴ (-32%)

Closest Iₓ in Square HSS

HA559×559×25

Weight
412.0 kg/m (0.0%)
Depth
558.8 mm (0.0%)
Ix
2,250,000,000 mm⁴ (-8.2%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · CSA G40 · Availability: Check availability with the supplier. · Methodology