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 102.2 80.2 27816 1358 16.5 1.04
Per D 204.3 160.4 55632 2716 16.5 2.05
Per m of wall 137.3 107.8 37387 1825 16.5 1.38

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