Rectangular and square HSS

HSS12X6X1/4 HSS304.8X152.4X6.4

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 = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Depthd
12in
Widthb
6in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
29.23lb/ft
Cross-sectional areaA
8.03in²

Strong axis x–x

Moment of inertiaIx
151in⁴
Elastic section modulusSx
25.2in³
Plastic section modulusZx
31.1in³
Radius of gyrationrx
4.34in

Weak axis y–y

Moment of inertiaIy
51.9in⁴
Elastic section modulusSy
17.3in³
Plastic section modulusZy
19.3in³
Radius of gyrationry
2.54in

Torsion and stability

Torsional constantJ
124in⁴
Torsional modulusC
31.6in³

Slenderness ratios

Wall slendernessb/t
22.8
Wall slendernessh/t
48.5

Equivalents in other standards