Rectangular and square HSS

HSS4X2-1/2X1/4 HSS101.6X63.5X6.4

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 = 2.5d = 4tdes = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Depthd
4in
Widthb
2.5in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
9.66lb/ft
Cross-sectional areaA
2.67in²

Strong axis x–x

Moment of inertiaIx
5.32in⁴
Elastic section modulusSx
2.66in³
Plastic section modulusZx
3.38in³
Radius of gyrationrx
1.41in

Weak axis y–y

Moment of inertiaIy
2.53in⁴
Elastic section modulusSy
2.02in³
Plastic section modulusZy
2.43in³
Radius of gyrationry
0.973in

Torsion and stability

Torsional constantJ
5.78in⁴
Torsional modulusC
3.93in³

Slenderness ratios

Wall slendernessb/t
7.73
Wall slendernessh/t
14.2

Equivalents in other standards