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 102.1 80.2 34393 1518 18.4 1.04
Per D 204.2 160.3 68786 3036 18.4 2.05
Per m of wall 151.9 119.3 51180 2259 18.4 1.53

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