Dimension lumber (CSA O141)

38x140

Standard: CSA O141Source: Actual metric sizes, calculated
xyb = 38d = 140
Cross-section, to scaledimensions in mm

Dimensions

Depthd
140mm
Widthb
38mm

Mass and area

Cross-sectional areaA
5,320mm²
Outside perimeterP
356mm

Strong axis x–x

Moment of inertiaIx
8.68910⁶ mm⁴
Elastic section modulusSx
124.110³ mm³
Plastic section modulusZx
186.210³ mm³
Radius of gyrationrx
40.41mm

Weak axis y–y

Moment of inertiaIy
0.640210⁶ mm⁴
Elastic section modulusSy
33.6910³ mm³
Plastic section modulusZy
50.5410³ mm³
Radius of gyrationry
10.97mm

Torsion and stability

Torsional constantJ
2,12310³ mm⁴

Equivalents in other standards