Rectangular and square HSS

HSS4X2X3/8 HSS101.6X50.8X9.5

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 = 4tdes = 0.349tdes = 0.349
Cross-section, to scaledimensions in inches

Dimensions

Depthd
4in
Widthb
2in
Nominal thicknesstnom
0.375in
Design thicknesstdes
0.349in

Mass and area

Mass per lengthm
12.17lb/ft
Cross-sectional areaA
3.39in²

Strong axis x–x

Moment of inertiaIx
5.6in⁴
Elastic section modulusSx
2.8in³
Plastic section modulusZx
3.84in³
Radius of gyrationrx
1.29in

Weak axis y–y

Moment of inertiaIy
1.8in⁴
Elastic section modulusSy
1.8in³
Plastic section modulusZy
2.31in³
Radius of gyrationry
0.729in

Torsion and stability

Torsional constantJ
4.83in⁴
Torsional modulusC
4.04in³

Slenderness ratios

Wall slendernessb/t
2.73
Wall slendernessh/t
8.46

Equivalents in other standards