Rectangular and square HSS

HSS 610x305x19

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 = 304.8d = 609.6t = 19.05t = 19.05
Cross-section, to scaledimensions in mm

Dimensions

Depthd
609.6mm
Widthb
304.8mm
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
1,52110⁶ mm⁴
Elastic section modulusSx
4,98910³ mm³
Plastic section modulusZx
6,25810³ mm³
Radius of gyrationrx
216.5mm

Weak axis y–y

Moment of inertiaIy
514.410⁶ mm⁴
Elastic section modulusSy
3,37510³ mm³
Plastic section modulusZy
3,85710³ mm³
Radius of gyrationry
125.9mm

Torsion and stability

Torsional constantJ
1,267,13010³ mm⁴

Equivalents in other standards