Rectangular and square HSS

HSS7X3X1/8 HSS177.8X76.2X3.2

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 = 3d = 7tdes = 0.116tdes = 0.116
Cross-section, to scaledimensions in inches

Dimensions

Depthd
7in
Widthb
3in
Nominal thicknesstnom
0.125in
Design thicknesstdes
0.116in

Mass and area

Mass per lengthm
8.16lb/ft
Cross-sectional areaA
2.23in²

Strong axis x–x

Moment of inertiaIx
13.8in⁴
Elastic section modulusSx
3.95in³
Plastic section modulusZx
4.93in³
Radius of gyrationrx
2.49in

Weak axis y–y

Moment of inertiaIy
3.71in⁴
Elastic section modulusSy
2.48in³
Plastic section modulusZy
2.73in³
Radius of gyrationry
1.29in

Torsion and stability

Torsional constantJ
9.48in⁴
Torsional modulusC
4.6in³

Slenderness ratios

Wall slendernessb/t
22.9
Wall slendernessh/t
57.3

Equivalents in other standards