Rectangular and square HSS

HSS 457x203x8.0

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 = 203.2d = 457.2t = 7.94t = 7.94
Cross-section, to scaledimensions in mm

Dimensions

Depthd
457.2mm
Widthb
203.2mm
Thicknesst
7.94mm
Outside corner radiusro
15.88mm

Mass and area

Mass per lengthm
79.07kg/m
Cross-sectional areaA
10,073mm²
Outside perimeterP
1,294mm

Strong axis x–x

Moment of inertiaIx
268.210⁶ mm⁴
Elastic section modulusSx
1,17310³ mm³
Plastic section modulusZx
1,46110³ mm³
Radius of gyrationrx
163.2mm

Weak axis y–y

Moment of inertiaIy
76.3110⁶ mm⁴
Elastic section modulusSy
751.110³ mm³
Plastic section modulusZy
831.910³ mm³
Radius of gyrationry
87.04mm

Torsion and stability

Torsional constantJ
192,33210³ mm⁴

Equivalents in other standards