Rectangular and square HSS

HSS 203x76x13

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 = 76.2d = 203.2t = 12.7t = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
203.2mm
Widthb
76.2mm
Thicknesst
12.7mm
Outside corner radiusro
25.4mm

Mass and area

Mass per lengthm
47.38kg/m
Cross-sectional areaA
6,036mm²
Outside perimeterP
515.2mm

Strong axis x–x

Moment of inertiaIx
25.410⁶ mm⁴
Elastic section modulusSx
25010³ mm³
Plastic section modulusZx
343.910³ mm³
Radius of gyrationrx
64.87mm

Weak axis y–y

Moment of inertiaIy
5.02610⁶ mm⁴
Elastic section modulusSy
131.910³ mm³
Plastic section modulusZy
165.410³ mm³
Radius of gyrationry
28.86mm

Torsion and stability

Torsional constantJ
15,16910³ mm⁴

Equivalents in other standards