Rectangular and square HSS

HSS12X6X5/16 HSS304.8X152.4X7.9

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 = 6d = 12tdes = 0.291tdes = 0.291
Cross-section, to scaledimensions in inches

Dimensions

Depthd
12in
Widthb
6in
Nominal thicknesstnom
0.3125in
Design thicknesstdes
0.291in

Mass and area

Mass per lengthm
36.1lb/ft
Cross-sectional areaA
9.92in²

Strong axis x–x

Moment of inertiaIx
184in⁴
Elastic section modulusSx
30.7in³
Plastic section modulusZx
38.1in³
Radius of gyrationrx
4.31in

Weak axis y–y

Moment of inertiaIy
62.8in⁴
Elastic section modulusSy
20.9in³
Plastic section modulusZy
23.6in³
Radius of gyrationry
2.52in

Torsion and stability

Torsional constantJ
152in⁴
Torsional modulusC
38.8in³

Slenderness ratios

Wall slendernessb/t
17.6
Wall slendernessh/t
38.2

Equivalents in other standards