Rectangular and square HSS

HSS7X3X1/2 HSS177.8X76.2X12.7

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 = 0.465tdes = 0.465
Cross-section, to scaledimensions in inches

Dimensions

Depthd
7in
Widthb
3in
Nominal thicknesstnom
0.5in
Design thicknesstdes
0.465in

Mass and area

Mass per lengthm
28.43lb/ft
Cross-sectional areaA
7.88in²

Strong axis x–x

Moment of inertiaIx
40.7in⁴
Elastic section modulusSx
11.6in³
Plastic section modulusZx
15.8in³
Radius of gyrationrx
2.27in

Weak axis y–y

Moment of inertiaIy
10.2in⁴
Elastic section modulusSy
6.8in³
Plastic section modulusZy
8.46in³
Radius of gyrationry
1.14in

Torsion and stability

Torsional constantJ
28.6in⁴
Torsional modulusC
15in³

Slenderness ratios

Wall slendernessb/t
3.45
Wall slendernessh/t
12.1

Equivalents in other standards