Rectangular and square HSS

HSS7X5X1/4 HSS177.8X127X6.4

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 = 5d = 7tdes = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Depthd
7in
Widthb
5in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
19.02lb/ft
Cross-sectional areaA
5.24in²

Strong axis x–x

Moment of inertiaIx
35.9in⁴
Elastic section modulusSx
10.2in³
Plastic section modulusZx
12.4in³
Radius of gyrationrx
2.62in

Weak axis y–y

Moment of inertiaIy
21.3in⁴
Elastic section modulusSy
8.53in³
Plastic section modulusZy
9.83in³
Radius of gyrationry
2.02in

Torsion and stability

Torsional constantJ
42.9in⁴
Torsional modulusC
15in³

Slenderness ratios

Wall slendernessb/t
18.5
Wall slendernessh/t
27

Equivalents in other standards