Rectangular and square HSS

HSS4X2X1/8 HSS101.6X50.8X3.2

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 = 0.116tdes = 0.116
Cross-section, to scaledimensions in inches

Dimensions

Depthd
4in
Widthb
2in
Nominal thicknesstnom
0.125in
Design thicknesstdes
0.116in

Mass and area

Mass per lengthm
4.75lb/ft
Cross-sectional areaA
1.3in²

Strong axis x–x

Moment of inertiaIx
2.65in⁴
Elastic section modulusSx
1.32in³
Plastic section modulusZx
1.66in³
Radius of gyrationrx
1.43in

Weak axis y–y

Moment of inertiaIy
0.898in⁴
Elastic section modulusSy
0.898in³
Plastic section modulusZy
1.02in³
Radius of gyrationry
0.83in

Torsion and stability

Torsional constantJ
2.2in⁴
Torsional modulusC
1.69in³

Slenderness ratios

Wall slendernessb/t
14.2
Wall slendernessh/t
31.5

Equivalents in other standards