Rectangular and square HSS

HSS8X4X1/2 HSS203.2X101.6X12.7

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 = 0.465tdes = 0.465
Cross-section, to scaledimensions in inches

Dimensions

Depthd
8in
Widthb
4in
Nominal thicknesstnom
0.5in
Design thicknesstdes
0.465in

Mass and area

Mass per lengthm
35.24lb/ft
Cross-sectional areaA
9.74in²

Strong axis x–x

Moment of inertiaIx
71.8in⁴
Elastic section modulusSx
17.9in³
Plastic section modulusZx
23.5in³
Radius of gyrationrx
2.71in

Weak axis y–y

Moment of inertiaIy
23.6in⁴
Elastic section modulusSy
11.8in³
Plastic section modulusZy
14.3in³
Radius of gyrationry
1.56in

Torsion and stability

Torsional constantJ
61.1in⁴
Torsional modulusC
24.4in³

Slenderness ratios

Wall slendernessb/t
5.6
Wall slendernessh/t
14.2

Equivalents in other standards