Rectangular and square HSS

HSS12X10X3/8 HSS304.8X254X9.5

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 = 12tdes = 0.349tdes = 0.349
Cross-section, to scaledimensions in inches

Dimensions

Depthd
12in
Widthb
10in
Nominal thicknesstnom
0.375in
Design thicknesstdes
0.349in

Mass and area

Mass per lengthm
53lb/ft
Cross-sectional areaA
14.6in²

Strong axis x–x

Moment of inertiaIx
310in⁴
Elastic section modulusSx
51.6in³
Plastic section modulusZx
61.1in³
Radius of gyrationrx
4.61in

Weak axis y–y

Moment of inertiaIy
234in⁴
Elastic section modulusSy
46.9in³
Plastic section modulusZy
54in³
Radius of gyrationry
4.01in

Torsion and stability

Torsional constantJ
421in⁴
Torsional modulusC
78.3in³

Slenderness ratios

Wall slendernessb/t
25.7
Wall slendernessh/t
31.4

Equivalents in other standards