Timbers – 5" and larger

6x14

Standard: DOC PS 20 / NDS SupplementSource: Nominal − ½" (green), calculated
xyb = 5.5d = 13.5
Cross-section, to scaledimensions in inches

Dimensions

Depthd
13.5in
Widthb
5.5in

Mass and area

Cross-sectional areaA
74.25in²
Outside perimeterP
38in

Strong axis x–x

Moment of inertiaIx
1,128in⁴
Elastic section modulusSx
167.1in³
Plastic section modulusZx
250.6in³
Radius of gyrationrx
3.897in

Weak axis y–y

Moment of inertiaIy
187.2in⁴
Elastic section modulusSy
68.06in³
Plastic section modulusZy
102.1in³
Radius of gyrationry
1.588in

Torsion and stability

Torsional constantJ
557in⁴

Equivalents in other standards