Steel Beam Sizes / AISC / HSS Square / HSS 8x8x1/8

HSS 8x8x1/8 Steel Beam Dimensions and Properties

AISC Square HSS · v16.0

Analyze in Beam Calculator Back to HSS Square

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

Units

Section diagram

HSS 8x8x1/8 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 13.26 lb/ft 19.70 kg/m
Height 8.00 in 203.00 mm
Width 8.00 in 203.00 mm
Nominal tw 0.125 in 3.180 mm
Design tw 0.116 in 2.950 mm
Area 3.62 in² 2,340.00 mm²
Ix 37.40 in⁴ 15,600,000 mm⁴
Iy 37.40 in⁴ 15,600,000 mm⁴
Sx 9.34 in³ 153,000.00 mm³
Sy 9.34 in³ 153,000.00 mm³
Zx 10.70 in³ 175,000.00 mm³
Zy 10.70 in³ 175,000.00 mm³
rx 3.21 in 81.50 mm
ry 3.21 in 81.50 mm
J 57.30 in⁴ 23,900,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 8x8x1/8.

Lighter in Square HSS

HSS 5-1/2x5-1/2x3/16

Weight
13.3 lb/ft (-0.1%)
Depth
5.50 in (-31%)
Ix
17.0 in⁴ (-55%)

Heavier in Square HSS

HSS 4-1/2x4-1/2x1/4

Weight
13.9 lb/ft (+4.9%)
Depth
4.50 in (-44%)
Ix
11.4 in⁴ (-70%)

Closest Iₓ in Square HSS

HSS 7x7x3/16

Weight
17.1 lb/ft (+29%)
Depth
7.00 in (-13%)
Ix
36.0 in⁴ (-3.7%)
Analyze in Beam Calculator Compare in HSS Square finder

Source: AISC Shapes Database v16.0 · Methodology