Rectangular and square HSS

HSS10X8X1/4 HSS254X203.2X6.4

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 = 8d = 10tdes = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Depthd
10in
Widthb
8in
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
119in⁴
Elastic section modulusSx
23.8in³
Plastic section modulusZx
28.1in³
Radius of gyrationrx
3.85in

Weak axis y–y

Moment of inertiaIy
84.7in⁴
Elastic section modulusSy
21.2in³
Plastic section modulusZy
24.2in³
Radius of gyrationry
3.25in

Torsion and stability

Torsional constantJ
155in⁴
Torsional modulusC
35.3in³

Slenderness ratios

Wall slendernessb/t
31.3
Wall slendernessh/t
39.9

Equivalents in other standards