Rectangular and square HSS

HSS12X8X1/2 HSS304.8X203.2X12.7

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 = 0.465tdes = 0.465
Cross-section, to scaledimensions in inches

Dimensions

Depthd
12in
Widthb
8in
Nominal thicknesstnom
0.5in
Design thicknesstdes
0.465in

Mass and area

Mass per lengthm
62.46lb/ft
Cross-sectional areaA
17.2in²

Strong axis x–x

Moment of inertiaIx
333in⁴
Elastic section modulusSx
55.6in³
Plastic section modulusZx
68.1in³
Radius of gyrationrx
4.41in

Weak axis y–y

Moment of inertiaIy
178in⁴
Elastic section modulusSy
44.4in³
Plastic section modulusZy
51.5in³
Radius of gyrationry
3.21in

Torsion and stability

Torsional constantJ
377in⁴
Torsional modulusC
80.4in³

Slenderness ratios

Wall slendernessb/t
14.2
Wall slendernessh/t
22.8

Equivalents in other standards