Rectangular and square HSS

HSS12X8X3/16 HSS304.8X203.2X4.8

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 = 8d = 12tdes = 0.174tdes = 0.174
Cross-section, to scaledimensions in inches

Dimensions

Depthd
12in
Widthb
8in
Nominal thicknesstnom
0.1875in
Design thicknesstdes
0.174in

Mass and area

Mass per lengthm
24.73lb/ft
Cross-sectional areaA
6.76in²

Strong axis x–x

Moment of inertiaIx
140in⁴
Elastic section modulusSx
23.4in³
Plastic section modulusZx
27.8in³
Radius of gyrationrx
4.56in

Weak axis y–y

Moment of inertiaIy
75.7in⁴
Elastic section modulusSy
18.9in³
Plastic section modulusZy
21.1in³
Radius of gyrationry
3.35in

Torsion and stability

Torsional constantJ
153in⁴
Torsional modulusC
32.2in³

Slenderness ratios

Wall slendernessb/t
43
Wall slendernessh/t
66

Equivalents in other standards