Rectangular and square HSS

HSS4X2-1/2X1/8 HSS101.6X63.5X3.2

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 = 2.5d = 4tdes = 0.116tdes = 0.116
Cross-section, to scaledimensions in inches

Dimensions

Depthd
4in
Widthb
2.5in
Nominal thicknesstnom
0.125in
Design thicknesstdes
0.116in

Mass and area

Mass per lengthm
5.18lb/ft
Cross-sectional areaA
1.42in²

Strong axis x–x

Moment of inertiaIx
3.09in⁴
Elastic section modulusSx
1.54in³
Plastic section modulusZx
1.88in³
Radius of gyrationrx
1.47in

Weak axis y–y

Moment of inertiaIy
1.49in⁴
Elastic section modulusSy
1.19in³
Plastic section modulusZy
1.36in³
Radius of gyrationry
1.03in

Torsion and stability

Torsional constantJ
3.23in⁴
Torsional modulusC
2.14in³

Slenderness ratios

Wall slendernessb/t
18.6
Wall slendernessh/t
31.5

Equivalents in other standards