Rectangular and square HSS

HSS10X10X5/16 HSS254X254X7.9

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

Dimensions

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

Mass and area

Mass per lengthm
40.35lb/ft
Cross-sectional areaA
11.1in²

Strong axis x–x

Moment of inertiaIx
172in⁴
Elastic section modulusSx
34.5in³
Plastic section modulusZx
40.1in³
Radius of gyrationrx
3.94in

Weak axis y–y

Moment of inertiaIy
172in⁴
Elastic section modulusSy
34.5in³
Plastic section modulusZy
40.1in³
Radius of gyrationry
3.94in

Torsion and stability

Torsional constantJ
271in⁴
Torsional modulusC
54.8in³

Slenderness ratios

Wall slendernessb/t
31.4
Wall slendernessh/t
31.4

Equivalents in other standards