Rectangular and square HSS

HSS 457x457x19

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 = 457.2d = 457.2t = 19.05t = 19.05
Cross-section, to scaledimensions in mm

Dimensions

Depthd
457.2mm
Widthb
457.2mm
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
1,02310⁶ mm⁴
Elastic section modulusSx
4,47510³ mm³
Plastic section modulusZx
5,27910³ mm³
Radius of gyrationrx
177.5mm

Weak axis y–y

Moment of inertiaIy
1,02310⁶ mm⁴
Elastic section modulusSy
4,47510³ mm³
Plastic section modulusZy
5,27910³ mm³
Radius of gyrationry
177.5mm

Torsion and stability

Torsional constantJ
1,640,43010³ mm⁴

Equivalents in other standards