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 48.7 38.2 3 673 345 8.7 0.91
Per D 97.3 76.4 7 346 690 8.7 1.77
Per m of wall 63.2 49.6 4 770 448 8.7 1.15

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