Rectangular and square HSS

HSS8X2X3/8 HSS203.2X50.8X9.5

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 = 2d = 8tdes = 0.349tdes = 0.349
Cross-section, to scaledimensions in inches

Dimensions

Depthd
8in
Widthb
2in
Nominal thicknesstnom
0.375in
Design thicknesstdes
0.349in

Mass and area

Mass per lengthm
22.37lb/ft
Cross-sectional areaA
6.18in²

Strong axis x–x

Moment of inertiaIx
38.2in⁴
Elastic section modulusSx
9.56in³
Plastic section modulusZx
13.4in³
Radius of gyrationrx
2.49in

Weak axis y–y

Moment of inertiaIy
3.73in⁴
Elastic section modulusSy
3.73in³
Plastic section modulusZy
4.61in³
Radius of gyrationry
0.777in

Torsion and stability

Torsional constantJ
12.1in⁴
Torsional modulusC
8.65in³

Slenderness ratios

Wall slendernessb/t
2.73
Wall slendernessh/t
19.9

Equivalents in other standards