HSS8x8x3/8 (HSS8x8x.375) – HSS Shapes - Square

HSS8x8x3/8 is an 8 in (203 mm) square hollow section with a 3/8 in (10 mm) nominal wall, weighing 37.69 lb/ft (56.1 kg/m).

Square HSS (Hollow Structural Sections) are closed, tube-shaped sections with equal depth and width. The closed profile gives excellent torsional stiffness and identical strength about both axes, a meaningful advantage over open shapes such as W or C sections. That symmetry makes square HSS a natural choice for columns, particularly where architecturally exposed structural steel is part of the design, and for posts, bracing and light framing where equal biaxial capacity and a clean profile matter more than bending capacity in one direction.

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Dimensions

PropertyValue
Nominal Weight (lb/ft)37.69
Depth of Section (in)8.0
Depth of Flat Wall (in)6.95
Width of Section (in)8.0
Width of Flat Wall (in)6.95
Nominal Thickness (in)0.375

Full sortable table: Dimensions table for this family

Section Properties

PropertyValue
Ix (in⁴)100
Zx (in³)29.4
Sx (in³)24.9
rx (in)3.1
Iy (in⁴)100
Zy (in³)29.4
Sy (in³)24.9
ry (in)3.1
J (in⁴)160
C (in³)40.7

Full sortable table: Section properties table for this family