Rectangular and square HSS

HSS 406x152x13

Standard: CSA G40.20/G40.21Source: Calculated (exact engine)
Calculated: design thickness = nominal thickness (CSA G40.20, Class C), outside radius 2t. Range derived from ASTM A500 sizes — cross-check with the CISC tables.
xyb = 152.4d = 406.4t = 12.7t = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
406.4mm
Widthb
152.4mm
Thicknesst
12.7mm
Outside corner radiusro
25.4mm

Mass and area

Mass per lengthm
103.1kg/m
Cross-sectional areaA
13,133mm²
Outside perimeterP
1,074mm

Strong axis x–x

Moment of inertiaIx
250.410⁶ mm⁴
Elastic section modulusSx
1,23210³ mm³
Plastic section modulusZx
1,60010³ mm³
Radius of gyrationrx
138.1mm

Weak axis y–y

Moment of inertiaIy
52.5810⁶ mm⁴
Elastic section modulusSy
69010³ mm³
Plastic section modulusZy
792.810³ mm³
Radius of gyrationry
63.28mm

Torsion and stability

Torsional constantJ
147,63010³ mm⁴

Equivalents in other standards