Rectangular and square HSS

HSS12X4X1/4 HSS304.8X101.6X6.4

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 = 4d = 12tdes = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Depthd
12in
Widthb
4in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
25.82lb/ft
Cross-sectional areaA
7.1in²

Strong axis x–x

Moment of inertiaIx
119in⁴
Elastic section modulusSx
19.9in³
Plastic section modulusZx
25.6in³
Radius of gyrationrx
4.1in

Weak axis y–y

Moment of inertiaIy
21in⁴
Elastic section modulusSy
10.5in³
Plastic section modulusZy
11.7in³
Radius of gyrationry
1.72in

Torsion and stability

Torsional constantJ
59.8in⁴
Torsional modulusC
20.6in³

Slenderness ratios

Wall slendernessb/t
14.2
Wall slendernessh/t
48.5

Equivalents in other standards