Rectangular and square HSS

HSS12X2X5/16 HSS304.8X50.8X7.9

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 = 2d = 12tdes = 0.291tdes = 0.291
Cross-section, to scaledimensions in inches

Dimensions

Depthd
12in
Widthb
2in
Nominal thicknesstnom
0.3125in
Design thicknesstdes
0.291in

Mass and area

Mass per lengthm
27.59lb/ft
Cross-sectional areaA
7.59in²

Strong axis x–x

Moment of inertiaIx
104in⁴
Elastic section modulusSx
17.4in³
Plastic section modulusZx
24.5in³
Radius of gyrationrx
3.71in

Weak axis y–y

Moment of inertiaIy
5.1in⁴
Elastic section modulusSy
5.1in³
Plastic section modulusZy
6.05in³
Radius of gyrationry
0.82in

Torsion and stability

Torsional constantJ
17.6in⁴
Torsional modulusC
11.6in³

Slenderness ratios

Wall slendernessb/t
3.87
Wall slendernessh/t
38.2

Equivalents in other standards