Rectangular and square HSS

HSS12X10X1/2 HSS304.8X254X12.7

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 = 0.465tdes = 0.465
Cross-section, to scaledimensions in inches

Dimensions

Depthd
12in
Widthb
10in
Nominal thicknesstnom
0.5in
Design thicknesstdes
0.465in

Mass and area

Mass per lengthm
69.27lb/ft
Cross-sectional areaA
19in²

Strong axis x–x

Moment of inertiaIx
395in⁴
Elastic section modulusSx
65.9in³
Plastic section modulusZx
78.8in³
Radius of gyrationrx
4.56in

Weak axis y–y

Moment of inertiaIy
298in⁴
Elastic section modulusSy
59.7in³
Plastic section modulusZy
69.6in³
Radius of gyrationry
3.96in

Torsion and stability

Torsional constantJ
545in⁴
Torsional modulusC
102in³

Slenderness ratios

Wall slendernessb/t
18.5
Wall slendernessh/t
22.8

Equivalents in other standards