Rectangular and square HSS

HSS5X2X1/4 HSS127X50.8X6.4

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 = 5tdes = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Depthd
5in
Widthb
2in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
10.51lb/ft
Cross-sectional areaA
2.91in²

Strong axis x–x

Moment of inertiaIx
8.08in⁴
Elastic section modulusSx
3.23in³
Plastic section modulusZx
4.27in³
Radius of gyrationrx
1.67in

Weak axis y–y

Moment of inertiaIy
1.84in⁴
Elastic section modulusSy
1.84in³
Plastic section modulusZy
2.2in³
Radius of gyrationry
0.797in

Torsion and stability

Torsional constantJ
5.17in⁴
Torsional modulusC
3.88in³

Slenderness ratios

Wall slendernessb/t
5.58
Wall slendernessh/t
18.5

Equivalents in other standards