Rectangular and square HSS

HSS 508x406x19

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 = 19.05t = 19.05
Cross-section, to scaledimensions in mm

Dimensions

Depthd
508mm
Widthb
406.4mm
Thicknesst
19.05mm
Outside corner radiusro
38.1mm

Mass and area

Mass per lengthm
254.8kg/m
Cross-sectional areaA
32,453mm²
Outside perimeterP
1,763mm

Strong axis x–x

Moment of inertiaIx
1,19710⁶ mm⁴
Elastic section modulusSx
4,71210³ mm³
Plastic section modulusZx
5,65510³ mm³
Radius of gyrationrx
192mm

Weak axis y–y

Moment of inertiaIy
84810⁶ mm⁴
Elastic section modulusSy
4,17310³ mm³
Plastic section modulusZy
4,85410³ mm³
Radius of gyrationry
161.6mm

Torsion and stability

Torsional constantJ
1,596,57010³ mm⁴

Equivalents in other standards