一般起重作業(yè)可采用GB/T8918-1996《鋼絲繩》中6×19和6×37鋼絲繩,其規(guī)格參數(shù)見表 1和表2。
表1 鋼絲繩的破斷拉力
| 直徑 | 鋼絲繩的抗拉強(qiáng)度/MPa |
| 鋼絲繩 /mm | 鋼絲 /mm | 1400 | 1550 | 1700 | 1850 | 2000 |
| 鋼絲破斷拉力總和/kN |
| 6.2 | 0.4 | 20.00 | 22.10 | 24.30 | 26.40 | 28.60 |
| 7.7 | 0.5 | 31.30 | 34.60 | 38.00 | 41.30 | 44.70 |
| 9.3 | 0.6 | 45.10 | 49.60 | 54.70 | 59.60 | 64.40 |
| 11.O | 0.7 | 61.30 | 67.90 | 74.50 | 81.10 | 87.70 |
| 12.5 | 0.8 | 80.10 | 88.70 | 97.30 | 105.50 | 114.50 |
| 14.O | 0.9 | 101.00 | 112.00 | 123.00 | 134.00 | 114.50 |
| 15.5 | 1.O | 125.00 | 138.50 | 152.00 | 165.50 | 178.50 |
| 17.O | 1.1 | 151.50 | 167.50 | 184.00 | 200.00 | 216.50 |
| 18.5 | 1.2 | 180.00 | 199.50 | 219.00 | 238.00 | 257.50 |
| 20.O | 1.3 | 21150 | 234.00 | 257.00 | 279.50 | 302.00 |
| 21.5 | 1.4 | 245.50 | 271.50 | 298.00 | 324.00 | 350.50 |
| 23.O | 1.5 | 281.50 | 312.00 | 342.00 | 372.00 | 402.50 |
| 24.5 | 1.6 | 320.50 | 355.00 | 389.00 | 423.50 | 458.00 |
| 26.O | 1.7 | 362.00 | 400.50 | 439.50 | 478.00 | 517.00 |
| 28.O | 1.8 | 405.50 | 499.00 | 492.50 | 536.00 | 579.50 |
| 31.O | 2.O | 501.00 | 554.50 | 608.50 | 662.00 | 715.50 |
| 34.O | 2.2 | 606.00 | 671.00 | 736.00 | 801.00 | — |
| 37.O | 2.4 | 721.50 | 798.50 | 876.00 | 953.50 | — |
| 40.O | 2.6 | 846.50 | 937.50 | 1025.00 | 1115.00 | — |
表 2 鋼絲繩的破斷拉力
| 直 徑 | 鋼絲繩的抗拉強(qiáng)度/MPa |
| 鋼絲繩 /mm | 鋼絲 /mm | 1400 | 1550 | 1700 | 1850 | 2000 |
| 鋼絲破斷拉力總和/kN |
| 8.7 | 0.4 | 39.00 | 43.20 | 47.30 | 51.50 | 55.70 |
| 11.O | 0.5 | 60.00 | 67.50 | 74.00 | 80.60 | 87.10 |
| 13.O | 0.6 | 87.80 | 97.20 | 106.50 | 116.00 | 125.00 |
| 15.O | 0.7 | 119.50 | 132.00 | 145.00 | 157.50 | 170.50 |
| 17.5 | 0.8 | 156.00 | 172.50 | 189.50 | 206.00 | 223.00 |
| 19.5 | 0.9 | 197.50 | 218.50 | 239.50 | 261.00 | 282.00 |
| 21.5 | 1.O | 243.50 | 270.00 | 296.00 | 322.00 | 348.50 |
| 24.O | 1.1 | 295.00 | 326.50 | 358.00 | 390.00 | 421.50 |
| 26.O | 1.2 | 351.00 | 388.50 | 426.50 | 464.00 | 501.50 |
| 28.O | 1.3 | 412.00 | 456.50 | 500.50 | 544.50 | 589.00 |
| 30.O | 1.4 | 478.00 | 529.00 | 580.50 | 631.50 | 683.00 |
| 32.5 | 1.5 | 548.50 | 607.50 | 666.50 | 725.00 | 784.00 |
| 34.5 | 1.6 | 624.50 | 691.50 | 758.00 | 825.00 | 892.00 |
| 36.5 | 1.7 | 705.00 | 780.50 | 856.00 | 931.50 | 1005.00 |
| 39.O | 1.8 | 790.00 | 875.00 | 959.50 | 1040.00 | 1125.00 |
| 43.O | 2.O | 975.50 | 1080.00 | 1185.00 | 1285.00 | 1390.00 |
| 47.5 | 2.2 | 1180.00 | 1305.00 | 1430.00 | 1560.00 | — |
| 52.O | 2.4 | 1405.00 | 1555.00 | 1705.00 | 1855.00 | — |
| 56.O | 2.6 | 1645.00 | 1825.00 | 2000.00 | 2175.00 | — |