Download Autocad DWG file. 

                  Sectional area (cm2) Mass per m (kg/m) Moment of inertia (cm4) Section modulus (cm3) Radius of gyration (cm) Coating area* (m2/m)
Per S 113.6 89.2 22510 1270 14.1 1.04
Per D 227.2 178.3 45020 2535 14.1 2.05
Per m of wall 140.5 110.3 27850 1570 14.1 1.27

*One side, excluding inside of interlocks. S = Single Pile |  D = Double pile