Round Steel Diameter d (Model) 5.5 6 6.5 7 8 9 10 *11 12 22 *23 24 25 26 *27 28 *29 30 *31 32 *33 34 *35 36 38 40 42 45 48 50 53 *55 56 *58 Theoretical Weight KG/M Round Steel 0.186 0.222 0.26 0.302 0.395 0.499 0.617 0.746 0.888 2.98 3.26 3.55 3.85 4.17 4.49 4.83 5.18 5.55 5.92 6.31 6.71 7.13 7.55 7.99 8.9 9.86 10.9 12.5 14.2 15.4 17.3 18.6 19.3 20.7 Round Steel diameter d (Model) 13 14 15 16 17 18 19 20 21 63 *65 *68 70 75 80 85 90 95 100 105 110 115 120 125 130 140 150 160 170 180 190 200 220 250 Theoretical Weight KG/M Round Steel 1.04 1.21 1.39 1.58 1.78 2 2.23 2.47 2.72 24.5 26 28.5 30.2 34.7 39.5 44.5 49.9 55.6 61.7 68 74.6 81.5 88.8 96.3 104 121 139 158 178 200 223 247 298 385