Rectangular and square HSS

HSS 406x102x6.4

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 = 101.6d = 406.4t = 6.35t = 6.35
Cross-section, to scaledimensions in mm

Dimensions

Depthd
406.4mm
Widthb
101.6mm
Thicknesst
6.35mm
Outside corner radiusro
12.7mm

Mass and area

Mass per lengthm
48.56kg/m
Cross-sectional areaA
6,186mm²
Outside perimeterP
994.2mm

Strong axis x–x

Moment of inertiaIx
11210⁶ mm⁴
Elastic section modulusSx
551.110³ mm³
Plastic section modulusZx
729.210³ mm³
Radius of gyrationrx
134.5mm

Weak axis y–y

Moment of inertiaIy
12.2110⁶ mm⁴
Elastic section modulusSy
240.410³ mm³
Plastic section modulusZy
265.710³ mm³
Radius of gyrationry
44.43mm

Torsion and stability

Torsional constantJ
37,78410³ mm⁴

Equivalents in other standards