Rectangular and square HSS

HSS 559x406x19

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 = 558.8t = 19.05t = 19.05
Cross-section, to scaledimensions in mm

Dimensions

Depthd
558.8mm
Widthb
406.4mm
Thicknesst
19.05mm
Outside corner radiusro
38.1mm

Mass and area

Mass per lengthm
269.9kg/m
Cross-sectional areaA
34,388mm²
Outside perimeterP
1,865mm

Strong axis x–x

Moment of inertiaIx
1,50510⁶ mm⁴
Elastic section modulusSx
5,38810³ mm³
Plastic section modulusZx
6,50310³ mm³
Radius of gyrationrx
209.2mm

Weak axis y–y

Moment of inertiaIy
920.710⁶ mm⁴
Elastic section modulusSy
4,53110³ mm³
Plastic section modulusZy
5,22910³ mm³
Radius of gyrationry
163.6mm

Torsion and stability

Torsional constantJ
1,836,98010³ mm⁴

Equivalents in other standards