CLS – Canadian Lumber Standard (UK use)

38x89

Standard: BS EN 336 / CLSSource: Common sizes, calculated
xyb = 38d = 89
Cross-section, to scaledimensions in mm

Dimensions

Depthd
89mm
Widthb
38mm

Mass and area

Cross-sectional areaA
3,382mm²
Outside perimeterP
254mm

Strong axis x–x

Moment of inertiaIx
2.23210⁶ mm⁴
Elastic section modulusSx
50.1710³ mm³
Plastic section modulusZx
75.2510³ mm³
Radius of gyrationrx
25.69mm

Weak axis y–y

Moment of inertiaIy
0.40710⁶ mm⁴
Elastic section modulusSy
21.4210³ mm³
Plastic section modulusZy
32.1310³ mm³
Radius of gyrationry
10.97mm

Torsion and stability

Torsional constantJ
1,19110³ mm⁴

Equivalents in other standards