Rectangular and square HSS

HSS4X2X1/4 HSS101.6X50.8X6.4

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 = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Depthd
4in
Widthb
2in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
8.81lb/ft
Cross-sectional areaA
2.44in²

Strong axis x–x

Moment of inertiaIx
4.49in⁴
Elastic section modulusSx
2.25in³
Plastic section modulusZx
2.94in³
Radius of gyrationrx
1.36in

Weak axis y–y

Moment of inertiaIy
1.48in⁴
Elastic section modulusSy
1.48in³
Plastic section modulusZy
1.79in³
Radius of gyrationry
0.779in

Torsion and stability

Torsional constantJ
3.82in⁴
Torsional modulusC
3.05in³

Slenderness ratios

Wall slendernessb/t
5.58
Wall slendernessh/t
14.2

Equivalents in other standards