Rectangular and square HSS

HSS8X4X1/4 HSS203.2X101.6X6.4

Standard: AISC Shapes Database v16.0Source: AISC (aisc.org) — Shapes Database v16.0 (Excel file)
Values published by AISC, in US customary (original) and SI units.
xyb = 4d = 8tdes = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Depthd
8in
Widthb
4in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
19.02lb/ft
Cross-sectional areaA
5.24in²

Strong axis x–x

Moment of inertiaIx
42.5in⁴
Elastic section modulusSx
10.6in³
Plastic section modulusZx
13.3in³
Radius of gyrationrx
2.85in

Weak axis y–y

Moment of inertiaIy
14.4in⁴
Elastic section modulusSy
7.21in³
Plastic section modulusZy
8.2in³
Radius of gyrationry
1.66in

Torsion and stability

Torsional constantJ
35.3in⁴
Torsional modulusC
13.6in³

Slenderness ratios

Wall slendernessb/t
14.2
Wall slendernessh/t
31.3

Equivalents in other standards