Rectangular and square HSS

HSS 57x57x6.4

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 = 57.1d = 57.1t = 6.35t = 6.35
Cross-section, to scaledimensions in mm

Dimensions

Depthd
57.1mm
Widthb
57.1mm
Thicknesst
6.35mm
Outside corner radiusro
12.7mm

Mass and area

Mass per lengthm
9.304kg/m
Cross-sectional areaA
1,185mm²
Outside perimeterP
206.6mm

Strong axis x–x

Moment of inertiaIx
0.484710⁶ mm⁴
Elastic section modulusSx
16.9810³ mm³
Plastic section modulusZx
21.8210³ mm³
Radius of gyrationrx
20.22mm

Weak axis y–y

Moment of inertiaIy
0.484710⁶ mm⁴
Elastic section modulusSy
16.9810³ mm³
Plastic section modulusZy
21.8210³ mm³
Radius of gyrationry
20.22mm

Torsion and stability

Torsional constantJ
864.910³ mm⁴

Equivalents in other standards