Rectangular and square HSS

HSS 508x203x16

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 = 15.88t = 15.88
Cross-section, to scaledimensions in mm

Dimensions

Depthd
508mm
Widthb
203.2mm
Thicknesst
15.88mm
Outside corner radiusro
31.75mm

Mass and area

Mass per lengthm
164.3kg/m
Cross-sectional areaA
20,930mm²
Outside perimeterP
1,368mm

Strong axis x–x

Moment of inertiaIx
635.910⁶ mm⁴
Elastic section modulusSx
2,50310³ mm³
Plastic section modulusZx
3,22610³ mm³
Radius of gyrationrx
174.3mm

Weak axis y–y

Moment of inertiaIy
148.910⁶ mm⁴
Elastic section modulusSy
1,46610³ mm³
Plastic section modulusZy
1,68110³ mm³
Radius of gyrationry
84.35mm

Torsion and stability

Torsional constantJ
406,99510³ mm⁴

Equivalents in other standards