Rectangular and square HSS

HSS7X7X3/8 HSS177.8X177.8X9.5

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 = 7d = 7tdes = 0.349tdes = 0.349
Cross-section, to scaledimensions in inches

Dimensions

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

Mass and area

Mass per lengthm
32.58lb/ft
Cross-sectional areaA
8.97in²

Strong axis x–x

Moment of inertiaIx
65in⁴
Elastic section modulusSx
18.6in³
Plastic section modulusZx
22.1in³
Radius of gyrationrx
2.69in

Weak axis y–y

Moment of inertiaIy
65in⁴
Elastic section modulusSy
18.6in³
Plastic section modulusZy
22.1in³
Radius of gyrationry
2.69in

Torsion and stability

Torsional constantJ
105in⁴
Torsional modulusC
30.7in³

Slenderness ratios

Wall slendernessb/t
17.1
Wall slendernessh/t
17.1

Equivalents in other standards