Dimension lumber (CSA O141)

38x184

Standard: CSA O141Source: Actual metric sizes, calculated
xyb = 38d = 184
Cross-section, to scaledimensions in mm

Dimensions

Depthd
184mm
Widthb
38mm

Mass and area

Cross-sectional areaA
6,992mm²
Outside perimeterP
444mm

Strong axis x–x

Moment of inertiaIx
19.7310⁶ mm⁴
Elastic section modulusSx
214.410³ mm³
Plastic section modulusZx
321.610³ mm³
Radius of gyrationrx
53.12mm

Weak axis y–y

Moment of inertiaIy
0.841410⁶ mm⁴
Elastic section modulusSy
44.2810³ mm³
Plastic section modulusZy
66.4210³ mm³
Radius of gyrationry
10.97mm

Torsion and stability

Torsional constantJ
2,92810³ mm⁴

Equivalents in other standards