Rectangular and square HSS

HSS7X4X3/8 HSS177.8X101.6X9.5

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 = 0.349tdes = 0.349
Cross-section, to scaledimensions in inches

Dimensions

Depthd
7in
Widthb
4in
Nominal thicknesstnom
0.375in
Design thicknesstdes
0.349in

Mass and area

Mass per lengthm
24.93lb/ft
Cross-sectional areaA
6.88in²

Strong axis x–x

Moment of inertiaIx
41.8in⁴
Elastic section modulusSx
11.9in³
Plastic section modulusZx
15.1in³
Radius of gyrationrx
2.46in

Weak axis y–y

Moment of inertiaIy
17.3in⁴
Elastic section modulusSy
8.63in³
Plastic section modulusZy
10.2in³
Radius of gyrationry
1.58in

Torsion and stability

Torsional constantJ
41in⁴
Torsional modulusC
16.8in³

Slenderness ratios

Wall slendernessb/t
8.46
Wall slendernessh/t
17.1

Equivalents in other standards