Dimension lumber (CSA O141)

89x140

Standard: CSA O141Source: Actual metric sizes, calculated
xyb = 89d = 140
Cross-section, to scaledimensions in mm

Dimensions

Depthd
140mm
Widthb
89mm

Mass and area

Cross-sectional areaA
12,460mm²
Outside perimeterP
458mm

Strong axis x–x

Moment of inertiaIx
20.3510⁶ mm⁴
Elastic section modulusSx
290.710³ mm³
Plastic section modulusZx
436.110³ mm³
Radius of gyrationrx
40.41mm

Weak axis y–y

Moment of inertiaIy
8.22510⁶ mm⁴
Elastic section modulusSy
184.810³ mm³
Plastic section modulusZy
277.210³ mm³
Radius of gyrationry
25.69mm

Torsion and stability

Torsional constantJ
19,90210³ mm⁴

Equivalents in other standards