Steel Beam Sizes / AISC / HSS Square / HSS 7x7x3/8

HSS 7x7x3/8 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 7x7x3/8 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 32.58 lb/ft 48.40 kg/m
Height 7.00 in 178.00 mm
Width 7.00 in 178.00 mm
Nominal tw 0.375 in 9.530 mm
Design tw 0.349 in 8.860 mm
Area 8.97 in² 5,790.00 mm²
Ix 65.00 in⁴ 27,100,000 mm⁴
Iy 65.00 in⁴ 27,100,000 mm⁴
Sx 18.60 in³ 305,000.00 mm³
Sy 18.60 in³ 305,000.00 mm³
Zx 22.10 in³ 362,000.00 mm³
Zy 22.10 in³ 362,000.00 mm³
rx 2.69 in 68.30 mm
ry 2.69 in 68.30 mm
J 105.00 in⁴ 43,700,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 7x7x3/8.

Lighter in Square HSS

HSS 8x8x5/16

Weight
31.8 lb/ft (-2.3%)
Depth
8.00 in (+14%)
Ix
85.6 in⁴ (+32%)

Heavier in Square HSS

HSS 10x10x1/4

Weight
32.6 lb/ft (+0.2%)
Depth
10.00 in (+43%)
Ix
141.0 in⁴ (+117%)

Closest Iₓ in Square HSS

HSS 8x8x1/4

Weight
25.8 lb/ft (-21%)
Depth
8.00 in (+14%)
Ix
70.7 in⁴ (+8.8%)
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Source: AISC Shapes Database v16.0 · Methodology