Rectangular and square HSS

HSS10X2X5/16 HSS254X50.8X7.9

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 = 2d = 10tdes = 0.291tdes = 0.291
Cross-section, to scaledimensions in inches

Dimensions

Depthd
10in
Widthb
2in
Nominal thicknesstnom
0.3125in
Design thicknesstdes
0.291in

Mass and area

Mass per lengthm
23.34lb/ft
Cross-sectional areaA
6.43in²

Strong axis x–x

Moment of inertiaIx
62.6in⁴
Elastic section modulusSx
12.5in³
Plastic section modulusZx
17.5in³
Radius of gyrationrx
3.12in

Weak axis y–y

Moment of inertiaIy
4.24in⁴
Elastic section modulusSy
4.24in³
Plastic section modulusZy
5.06in³
Radius of gyrationry
0.812in

Torsion and stability

Torsional constantJ
14.2in⁴
Torsional modulusC
9.56in³

Slenderness ratios

Wall slendernessb/t
3.87
Wall slendernessh/t
31.4

Equivalents in other standards