STEEL SHEET PILES Centre of Gravity Weight Moment of Inertia Radius of Gyration Section Modulus Designation C per pile per wall width per pile per wall width per pile per pile per wall width cm kg/m kg/m² cm⁴ cm⁴/m cm cm³ cm³/m 2.64 2.78 3.45 3.62 4.04 36.5 35.5 35.5 48.0 48.0 91.2 88.8 88.8 120 120 429 454 598 986 1240 3820 4220 4500 8690 8740 3.04 3.17 3.64 4.01 4.50 66.4 64.7 88.0 121 152 509 527 529 869 874 YSP I YSP U-5 FSP IA YSP II FSP II 3.86 4.72 4.72 4.90 5.71 43.2 43.2 60.0 60.0 58.4 108 108 150 150 146 1070 1460 1920 2220 2700 9680 10600 16400 16800 22800 4.42 5.15 5.01 5.39 5.12 120 160 196 223 238 880 880 1310 1340 1520 YSP U-9 FSP IIA YSP III FSP III YSP U-15 5.84 5.85 6.45 6.51 7.45 58.4 76.1 76.1 74.0 74.0 146 190 190 185 185 2790 3690 4670 4380 5300 22800 31900 38600 39400 41600 6.12 6.15 6.94 6.81 7.50 250 311 362 330 400 1520 2060 2270 2250 2250 FSP IIIA YSP IV FSP IV YSP U-23 FSP IVA 6.15 6.94 8.09 105 105 120 250 210 240 5950 7960 11400 55200 63000 86000 6.67 7.71 8.63 433 520 680 3150 3150 3820 YSP V FSP VL FSP VIL