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 58.3 45.8 4 404 411 8.7 0.91
Per D 116.6 91.5 8 809 822 8.7 1.77
Per m of wall 75.7 59.4 5 720 534 8.7 1.15

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