Steel Beam Sizes / AISC / HSS Square / HSS 6x6x5/8

HSS 6x6x5/8 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 6x6x5/8 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 42.30 lb/ft 62.60 kg/m
Height 6.00 in 152.00 mm
Width 6.00 in 152.00 mm
Nominal tw 0.625 in 15.900 mm
Design tw 0.581 in 14.800 mm
Area 11.70 in² 7,550.00 mm²
Ix 55.20 in⁴ 23,000,000 mm⁴
Iy 55.20 in⁴ 23,000,000 mm⁴
Sx 18.40 in³ 302,000.00 mm³
Sy 18.40 in³ 302,000.00 mm³
Zx 23.20 in³ 380,000.00 mm³
Zy 23.20 in³ 380,000.00 mm³
rx 2.17 in 55.10 mm
ry 2.17 in 55.10 mm
J 94.90 in⁴ 39,500,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 6x6x5/8.

Lighter in Square HSS

HSS 7x7x1/2

Weight
42.1 lb/ft (-0.6%)
Depth
7.00 in (+17%)
Ix
80.5 in⁴ (+46%)

Heavier in Square HSS

HSS 9x9x3/8

Weight
42.8 lb/ft (+1.2%)
Depth
9.00 in (+50%)
Ix
145.0 in⁴ (+163%)

Closest Iₓ in Square HSS

HSS 8x8x3/16

Weight
19.6 lb/ft (-54%)
Depth
8.00 in (+33%)
Ix
54.4 in⁴ (-1.4%)
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Source: AISC Shapes Database v16.0 · Methodology