钢绞线较小破断拉力 结 构 1X19 公称直径 全部钢丝 断面面积 mm2 参考 重量 kg/100m 公称抗拉强度 钢绞线 钢丝 1270 1370 1470 1570 mm 钢绞线较小破断拉力/KN 5.0 1.00 14.62 12.42 17.00 18.40 19.70 21.00 5.5 1.10 18.06 15.03 20.60 22.20 23.80 25.50 6.0 1.20 21.49 17.89 24.50 26.50 28.40 30.30 6.5 1.30 25.22 20.99 28.80 31.00 33.30 35.60 7.0 1.40 29.25 24.35 33.40 36.00 38.60 41.30 8.0 1.60 38.20 31.80 43.60 47.10 50.50 53.90 9.0 1.80 48.35 40.25 55.20 59.60 63.90 68.30 10.0 2.00 59.69 49.69 68.20 73.60 78.90 84.30 11.0 2.20 72.22 60.12 82.50 89.00 95.50 102.00 12.0 2.40 85.95 71.55 98.20 105.00 113.00 121.00 12.5 2.50 93.27 77.64 106.00 114.00 125.00 131.00 13.0 2.60 100.88 83.98 115.00 124.00 133.00 142.00 14.0 2.80 116.99 97.39 133.00 144.00 154.00 165.00 15.0 3.00