Steel Beam Sizes / CISC / HSS Square / HS305×305×13

HS305×305×13 Steel Beam Dimensions and Properties

CISC Square HSS · v12.1

Analyze in Beam Calculator Back to HSS Square

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

Units

Section diagram

HS305×305×13 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 76.10 lb/ft 113.00 kg/m
Height 12.00 in 304.80 mm
Width 12.00 in 304.80 mm
Nominal tw 0.500 in 12.700 mm
Design tw 0.500 in 12.700 mm
Area 22.32 in² 14,400.00 mm²
Ix 485.31 in⁴ 202,000,000 mm⁴
Iy 485.31 in⁴ 202,000,000 mm⁴
Sx 81.16 in³ 1,330,000 mm³
Sy 81.16 in³ 1,330,000 mm³
Zx 95.20 in³ 1,560,000 mm³
Zy 95.20 in³ 1,560,000 mm³
rx 4.65 in 118.00 mm
ry 4.65 in 118.00 mm
J 776.01 in⁴ 323,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HS305×305×13.

Lighter in Square HSS

HA356×356×9.5

Weight
102.0 kg/m (-10%)
Depth
355.6 mm (+17%)
Ix
233,000,000 mm⁴ (+15%)

Heavier in Square HSS

HA254×254×16

Weight
114.0 kg/m (+0.3%)
Depth
254.0 mm (-17%)
Ix
124,000,000 mm⁴ (-39%)

Closest Iₓ in Square HSS

HA356×356×7.9

Weight
85.4 kg/m (-24%)
Depth
355.6 mm (+17%)
Ix
198,000,000 mm⁴ (-2.0%)
Analyze in Beam Calculator Compare in HSS Square finder

Source: CISC Structural Section Tables SST12.1 · v12.1 · CSA G40 · Methodology