Sections Width Height Thickness Sections Area Weight per pile Weight Per wall Moment of Intertia Modulus of Section mm mm mm cm2/m kg/m kg/m2 cm4/m cm3/m Z11-1 575 260 8.8 128.7 58.1 101 14300 1100 Z11-2 575 260 9.5 136.3 61.5 107 14820 1140 Z12-1 670 302 8.5 126 66.1 99 18140 1200 Z12-2 770 344 8.5 120 72.6 94 214300 1245 Z12-3 575 260 10.2 143.3 64.7 112.5 15600 1200 Z13-1 670 303 9.5 137 72 107 19700 1300 Z13-2 770 344 9 126 76.1 99 22360 1300 Z13-3 575 260 10.8 150.3 67.9 118 16250 1250 Z14-1 670 304 10.5 149 78.3 117 21300 1400 Z14-2 770 345 9.5 132 79.5 103 23300 1355 Z14-3 770 345 10 137 82.9 108 24240 1405 Z14-4 700 420 7 112.8 62 88.6 30910 1480 Z14-5 650 320 8 127.4 65 100 22049 1380 Z16-1 575 390 8 136.5 61.5 107 28010 1605 Z17-1 630 379 8.5 138 68.4 109 31580 1665 Z17-2 700 420 8.5 133 73.1 104 36230 1730 Z17-3 575 370 8.5 142.8 64.5 112 28890 1655 Z17-4 575 370 9 148.2 66.9 116 30110 1725 Z18-1 630 380 9.5 150 74.4 118 34200 1800 Z18-2 575 380 9 154.2 69.6 121 30630 1755 Z18-3 575 370 9.5 159.5 72 125.2 31505 1805 Z18-4 675 420 9 150 79.5 117.8 34210 1805 Z18-5 630 381 10.5 157 77.8 123 35540 1870 Z18-6 700 420 9 147.8 81.2 116 38866 1843