Rectangular and square HSS

HSS12X4X3/16 HSS304.8X101.6X4.8

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 = 4d = 12tdes = 0.174tdes = 0.174
Cross-section, to scaledimensions in inches

Dimensions

Depthd
12in
Widthb
4in
Nominal thicknesstnom
0.1875in
Design thicknesstdes
0.174in

Mass and area

Mass per lengthm
19.63lb/ft
Cross-sectional areaA
5.37in²

Strong axis x–x

Moment of inertiaIx
91.8in⁴
Elastic section modulusSx
15.3in³
Plastic section modulusZx
19.6in³
Radius of gyrationrx
4.13in

Weak axis y–y

Moment of inertiaIy
16.4in⁴
Elastic section modulusSy
8.2in³
Plastic section modulusZy
9in³
Radius of gyrationry
1.75in

Torsion and stability

Torsional constantJ
46.1in⁴
Torsional modulusC
15.7in³

Slenderness ratios

Wall slendernessb/t
20
Wall slendernessh/t
66

Equivalents in other standards