CLS – Canadian Lumber Standard (UK use)

38x63

Standard: BS EN 336 / CLSSource: Common sizes, calculated
xyb = 38d = 63
Cross-section, to scaledimensions in mm

Dimensions

Depthd
63mm
Widthb
38mm

Mass and area

Cross-sectional areaA
2,394mm²
Outside perimeterP
202mm

Strong axis x–x

Moment of inertiaIx
0.791810⁶ mm⁴
Elastic section modulusSx
25.1410³ mm³
Plastic section modulusZx
37.7110³ mm³
Radius of gyrationrx
18.19mm

Weak axis y–y

Moment of inertiaIy
0.288110⁶ mm⁴
Elastic section modulusSy
15.1610³ mm³
Plastic section modulusZy
22.7410³ mm³
Radius of gyrationry
10.97mm

Torsion and stability

Torsional constantJ
719.310³ mm⁴

Equivalents in other standards