Rectangular and square HSS

HSS3-1/2X3-1/2X5/16 HSS88.9X88.9X7.9

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 = 3.5d = 3.5tdes = 0.291tdes = 0.291
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3.5in
Widthb
3.5in
Nominal thicknesstnom
0.3125in
Design thicknesstdes
0.291in

Mass and area

Mass per lengthm
12.7lb/ft
Cross-sectional areaA
3.52in²

Strong axis x–x

Moment of inertiaIx
5.84in⁴
Elastic section modulusSx
3.34in³
Plastic section modulusZx
4.14in³
Radius of gyrationrx
1.29in

Weak axis y–y

Moment of inertiaIy
5.84in⁴
Elastic section modulusSy
3.34in³
Plastic section modulusZy
4.14in³
Radius of gyrationry
1.29in

Torsion and stability

Torsional constantJ
9.89in⁴
Torsional modulusC
5.9in³

Slenderness ratios

Wall slendernessb/t
9.03
Wall slendernessh/t
9.03

Equivalents in other standards