Rectangular and square HSS

HSS7X7X1/8 HSS177.8X177.8X3.2

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

Dimensions

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

Mass and area

Mass per lengthm
11.56lb/ft
Cross-sectional areaA
3.16in²

Strong axis x–x

Moment of inertiaIx
24.8in⁴
Elastic section modulusSx
7.09in³
Plastic section modulusZx
8.13in³
Radius of gyrationrx
2.8in

Weak axis y–y

Moment of inertiaIy
24.8in⁴
Elastic section modulusSy
7.09in³
Plastic section modulusZy
8.13in³
Radius of gyrationry
2.8in

Torsion and stability

Torsional constantJ
38.2in⁴
Torsional modulusC
11in³

Slenderness ratios

Wall slendernessb/t
57.3
Wall slendernessh/t
57.3

Equivalents in other standards