Rectangular and square HSS

HSS 203x76x4.8

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 = 4.76t = 4.76
Cross-section, to scaledimensions in mm

Dimensions

Depthd
203.2mm
Widthb
76.2mm
Thicknesst
4.76mm
Outside corner radiusro
9.52mm

Mass and area

Mass per lengthm
19.71kg/m
Cross-sectional areaA
2,511mm²
Outside perimeterP
542.5mm

Strong axis x–x

Moment of inertiaIx
12.3210⁶ mm⁴
Elastic section modulusSx
121.210³ mm³
Plastic section modulusZx
155.410³ mm³
Radius of gyrationrx
70.03mm

Weak axis y–y

Moment of inertiaIy
2.62610⁶ mm⁴
Elastic section modulusSy
68.9410³ mm³
Plastic section modulusZy
77.5110³ mm³
Radius of gyrationry
32.34mm

Torsion and stability

Torsional constantJ
7,22810³ mm⁴

Equivalents in other standards