Rectangular and square HSS

HSS5X2-1/2X1/4 HSS127X63.5X6.4

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

Dimensions

Depthd
5in
Widthb
2.5in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
11.36lb/ft
Cross-sectional areaA
3.14in²

Strong axis x–x

Moment of inertiaIx
9.4in⁴
Elastic section modulusSx
3.76in³
Plastic section modulusZx
4.83in³
Radius of gyrationrx
1.73in

Weak axis y–y

Moment of inertiaIy
3.13in⁴
Elastic section modulusSy
2.5in³
Plastic section modulusZy
2.95in³
Radius of gyrationry
0.999in

Torsion and stability

Torsional constantJ
7.93in⁴
Torsional modulusC
4.99in³

Slenderness ratios

Wall slendernessb/t
7.73
Wall slendernessh/t
18.5

Equivalents in other standards