Rectangular and square HSS

HSS12X12X3/16 HSS304.8X304.8X4.8

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

Dimensions

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

Mass and area

Mass per lengthm
29.84lb/ft
Cross-sectional areaA
8.15in²

Strong axis x–x

Moment of inertiaIx
189in⁴
Elastic section modulusSx
31.5in³
Plastic section modulusZx
36in³
Radius of gyrationrx
4.82in

Weak axis y–y

Moment of inertiaIy
189in⁴
Elastic section modulusSy
31.5in³
Plastic section modulusZy
36in³
Radius of gyrationry
4.82in

Torsion and stability

Torsional constantJ
290in⁴
Torsional modulusC
48.6in³

Slenderness ratios

Wall slendernessb/t
66
Wall slendernessh/t
66

Equivalents in other standards