Rectangular and square HSS

HSS7X4X1/8 HSS177.8X101.6X3.2

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 = 4d = 7tdes = 0.116tdes = 0.116
Cross-section, to scaledimensions in inches

Dimensions

Depthd
7in
Widthb
4in
Nominal thicknesstnom
0.125in
Design thicknesstdes
0.116in

Mass and area

Mass per lengthm
9.01lb/ft
Cross-sectional areaA
2.46in²

Strong axis x–x

Moment of inertiaIx
16.6in⁴
Elastic section modulusSx
4.73in³
Plastic section modulusZx
5.73in³
Radius of gyrationrx
2.59in

Weak axis y–y

Moment of inertiaIy
7.03in⁴
Elastic section modulusSy
3.51in³
Plastic section modulusZy
3.91in³
Radius of gyrationry
1.69in

Torsion and stability

Torsional constantJ
15.6in⁴
Torsional modulusC
6.2in³

Slenderness ratios

Wall slendernessb/t
31.5
Wall slendernessh/t
57.3

Equivalents in other standards