Rectangular and square HSS

HSS 508x203x19

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 = 508t = 19.05t = 19.05
Cross-section, to scaledimensions in mm

Dimensions

Depthd
508mm
Widthb
203.2mm
Thicknesst
19.05mm
Outside corner radiusro
38.1mm

Mass and area

Mass per lengthm
194kg/m
Cross-sectional areaA
24,711mm²
Outside perimeterP
1,357mm

Strong axis x–x

Moment of inertiaIx
733.810⁶ mm⁴
Elastic section modulusSx
2,88910³ mm³
Plastic section modulusZx
3,76210³ mm³
Radius of gyrationrx
172.3mm

Weak axis y–y

Moment of inertiaIy
17010⁶ mm⁴
Elastic section modulusSy
1,67310³ mm³
Plastic section modulusZy
1,95010³ mm³
Radius of gyrationry
82.95mm

Torsion and stability

Torsional constantJ
471,85810³ mm⁴

Equivalents in other standards