Steel Beam Sizes / AISC / HSS Square / HSS 7x7x5/16

HSS 7x7x5/16 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 7x7x5/16 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 27.59 lb/ft 41.00 kg/m
Height 7.00 in 178.00 mm
Width 7.00 in 178.00 mm
Nominal tw 0.313 in 7.940 mm
Design tw 0.291 in 7.390 mm
Area 7.59 in² 4,900.00 mm²
Ix 56.10 in⁴ 23,400,000 mm⁴
Iy 56.10 in⁴ 23,400,000 mm⁴
Sx 16.00 in³ 262,000.00 mm³
Sy 16.00 in³ 262,000.00 mm³
Zx 18.90 in³ 310,000.00 mm³
Zy 18.90 in³ 310,000.00 mm³
rx 2.72 in 69.10 mm
ry 2.72 in 69.10 mm
J 89.70 in⁴ 37,300,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 7x7x5/16.

Lighter in Square HSS

HSS 6x6x3/8

Weight
27.5 lb/ft (-0.4%)
Depth
6.00 in (-14%)
Ix
39.5 in⁴ (-30%)

Heavier in Square HSS

HSS 5x5x1/2

Weight
28.4 lb/ft (+3.0%)
Depth
5.00 in (-29%)
Ix
26.0 in⁴ (-54%)

Closest Iₓ in Square HSS

HSS 6x6x5/8

Weight
42.3 lb/ft (+53%)
Depth
6.00 in (-14%)
Ix
55.2 in⁴ (-1.6%)
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Source: AISC Shapes Database v16.0 · Methodology