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用于起重和工程　　 6 x WS(36) + FC　　 　　　　　　 直徑 毫米 最小破斷力 每米近似重量 千克/米 AG (150 kg/mm2) A & BG (165 kg/mm2) B & CG (180 kg/mm2) C (195 kg/mm2) 20.00 20.60 22.70 24.10 26.70 1.580 22.00 24.90 27.40 29.20 32.30 1.920 22.40 25.90 28.40 30.20 33.50 1.990 24.00 29.70 32.60 34.70 38.50 2.280 25.00 32.20 35.40 37.70 41.70 2.470 26.00 34.80 38.30 40.70 45.10 2.680 2.00 40.40 44.40 47.30 52.30 3.100 30.00 46.40 51.00 54.20 60.10 3.560 31.50 51.10 56.20 59.80 66.30 3.930 32.00 52.80 58.00 61.70 68.40 4.050 33.50 57.80 63.60 67.60 74.90 4.440 34.00 59.60 65.50 69.70 77.20 4.580 35.50 64.90 71.40 76.00 84.10 4.990 36.00 66.80 73.50 78.10 86.50 5.130 37.50 72.40 79.70 84.80 93.90 5.570 38.00 74.40 81.80 87.00 96.40 5.720 40.00 82.40 90.70 96.40 107.00 6.330 42.00 90.90 100.00 106.00 118.00 6.980 42.50 93.10 102.00 109.00 121.00 7.150 44.00 99.80 110.00 117.00 129.00 7.660 45.00 104.00 115.00 122.00 135.00 8.010 46.00 109.00 120.00 128.00 141.00 8.380 47.50 116.00 128.00 136.00 151.00 8.930 48.00 119.00 131.00 139.00 154.00 9.120 50.00 129.00 142.00 151.00 167.00 9.900 52.00 139.00 153.00 163.00 181.00 10.700 53.00 145.00 159.00 169.00 188.00 11.100 54.00 150.00 165.00 176.00 195.00 11.500 56.00 162.00 178.00 189.00 209.00 12.400 58.00 173.00 191.00 203.00 225.00 13.300 60.00 185.00 204.00 217.00 240.00 14.200 62.00 198.00 218.00 232.00 257.00 15.200 64.00 211.00 232.00 247.00 273.00 16.200 66.00 224.00 247.00 263.00 291.00 17.200 68.00 238.00 262.00 279.00 309.00 18.300 70.00 252.00 278.00 295.00   19.400 72.00 267.00 294.00 　 　 20.500 74.00 282.00 310.00 　 　 21.700 75.00 290.00 319.00 　   22.300