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 69.2 54.3 9863 657 11.9 1.04
Per D 138.3 108.6 19726 1314 11.9 2.05
Per m of wall 80.7 63.3 11502 766 11.9 1.27

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