Steel Beam Sizes / AISC / HSS Square / HSS 6x6x5/16

HSS 6x6x5/16 Steel Beam Dimensions and Properties

AISC Square HSS · v16.0

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

Units

Section diagram

HSS 6x6x5/16 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 23.34 lb/ft 34.60 kg/m
Height 6.00 in 152.00 mm
Width 6.00 in 152.00 mm
Nominal tw 0.313 in 7.940 mm
Design tw 0.291 in 7.390 mm
Area 6.43 in² 4,150.00 mm²
Ix 34.30 in⁴ 14,300,000 mm⁴
Iy 34.30 in⁴ 14,300,000 mm⁴
Sx 11.40 in³ 187,000.00 mm³
Sy 11.40 in³ 187,000.00 mm³
Zx 13.60 in³ 223,000.00 mm³
Zy 13.60 in³ 223,000.00 mm³
rx 2.31 in 58.70 mm
ry 2.31 in 58.70 mm
J 55.40 in⁴ 23,100,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 6x6x5/16.

Lighter in Square HSS

HSS 7x7x1/4

Weight
22.4 lb/ft (-3.9%)
Depth
7.00 in (+17%)
Ix
46.5 in⁴ (+36%)

Heavier in Square HSS

HSS 10x10x3/16

Weight
24.7 lb/ft (+6.0%)
Depth
10.00 in (+67%)
Ix
108.0 in⁴ (+215%)

Closest Iₓ in Square HSS

HSS 7x7x3/16

Weight
17.1 lb/ft (-27%)
Depth
7.00 in (+17%)
Ix
36.0 in⁴ (+5.0%)
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Source: AISC Shapes Database v16.0 · Methodology