Rectangular and square HSS

HSS 508x406x13

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 = 406.4d = 508t = 12.7t = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
508mm
Widthb
406.4mm
Thicknesst
12.7mm
Outside corner radiusro
25.4mm

Mass and area

Mass per lengthm
174kg/m
Cross-sectional areaA
22,165mm²
Outside perimeterP
1,785mm

Strong axis x–x

Moment of inertiaIx
844.810⁶ mm⁴
Elastic section modulusSx
3,32610³ mm³
Plastic section modulusZx
3,93110³ mm³
Radius of gyrationrx
195.2mm

Weak axis y–y

Moment of inertiaIy
600.510⁶ mm⁴
Elastic section modulusSy
2,95510³ mm³
Plastic section modulusZy
3,37810³ mm³
Radius of gyrationry
164.6mm

Torsion and stability

Torsional constantJ
1,104,44010³ mm⁴

Equivalents in other standards