粗牙普通螺纹的最小拉力载荷
| 粗 牙 普 通 螺 纹 的 最 小 拉 力 载 荷 | ||||||||||||
| d | p | As | 性 能 等 级 | |||||||||
| 3.6 | 4.6 | 4.8 | 5.6 | 5.8 | 6.8 | 8.8 | 9.8 | 10.9 | 12.9 | |||
| (mm) | (mm2) | 最小拉力载荷(As×σbmin)(kN) | ||||||||||
| 3 | 0.5 | 5.03 | 1.66 | 2.01 | 2.11 | 2.51 | 2.62 | 3.02 | 4.02 | 4.53 | 5.23 | 6.14 |
| 3.5 | 0.6 | 6.78 | 2.24 | 2.71 | 2.85 | 3.39 | 3.53 | 4.07 | 5.42 | 6.1 | 7.05 | 8.27 |
| 4 | 0.7 | 8.78 | 2.9 | 3.51 | 3.69 | 4.39 | 4.57 | 5.27 | 7.02 | 7.9 | 9.13 | 10.7 |
| 5 | 0.8 | 14.2 | 4.69 | 5.68 | 5.96 | 7.1 | 7.38 | 8.52 | 11.35 | 12.8 | 14.8 | 17.3 |
| 6 | 1 | 20.1 | 6.63 | 8.04 | 8.44 | 10 | 10.4 | 12.1 | 16.1 | 18.1 | 20.9 | 24.5 |
| 7 | 1 | 28.9 | 9.54 | 11.6 | 12.1 | 14.4 | 15 | 17.3 | 23.1 | 26 | 30.1 | 35.3 |
| 8 | 1.25 | 36.6 | 12.1 | 14.6 | 15.4 | 18.3 | 19 | 22 | 29.2 | 32.9 | 38.1 | 44.6 |
| 10 | 1.5 | 58 | 19.1 | 23.2 | 24.4 | 29 | 30.2 | 34.8 | 46.4 | 52.2 | 60.3 | 70.8 |
| 12 | 1.75 | 84.3 | 27.8 | 33.7 | 35.4 | 42.2 | 43.8 | 50.6 | 67.4 | 75.9 | 87.7 | 103 |
| 14 | 2 | 115 | 38 | 46 | 48.3 | 57.5 | 59.8 | 69 | 92 | 104 | 120 | 140 |
| 16 | 2 | 157 | 51.8 | 62.8 | 65.9 | 78.5 | 81.6 | 94 | 125 | 141 | 163 | 192 |
| 18 | 2.5 | 192 | 63.4 | 76.8 | 80.6 | 96 | 99.8 | 115 | 159 | - | 200 | 234 |
| 20 | 2.5 | 245 | 80.8 | 98 | 103 | 122 | 127 | 147 | 203 | - | 255 | 299 |
| 22 | 2.5 | 303 | 100 | 121 | 127 | 152 | 158 | 182 | 252 | - | 315 | 370 |
| 24 | 3 | 353 | 116 | 141 | 148 | 176 | 184 | 212 | 293 | - | 367 | 431 |
| 27 | 3 | 459 | 152 | 184 | 193 | 230 | 239 | 275 | 381 | - | 477 | 560 |
| 30 | 3.5 | 561 | 185 | 224 | 236 | 280 | 292 | 337 | 466 | - | 583 | 684 |
| 33 | 3.5 | 694 | 229 | 278 | 291 | 347 | 361 | 416 | 576 | - | 722 | 847 |
| 36 | 4 | 817 | 270 | 327 | 343 | 408 | 425 | 490 | 678 | - | 850 | 997 |
| 39 | 4 | 976 | 322 | 390 | 410 | 488 | 508 | 586 | 810 | - | 1020 | 1200 |
| 粗 牙 普 通 螺 纹 的 保 证 载 荷 | ||||||||||||
| d | p | As | 性 能 等 级 | |||||||||
| 3.6 | 4.6 | 4.8 | 5.6 | 5.8 | 6.8 | 8.8 | 9.8 | 10.9 | 12.9 | |||
| (mm) | (mm2) | 最小拉力载荷(As×Sp)(kN) | ||||||||||
| 3 | 0.5 | 5.03 | 0.91 | 1.13 | 1.56 | 1.41 | 1.91 | 2.21 | 2.92 | 3.27 | 4.18 | 4.88 |
| 3.5 | 0.6 | 6.78 | 1.22 | 1.53 | 2.1 | 1.9 | 2.58 | 2.98 | 3.94 | 4.41 | 5.63 | 6.58 |
| 4 | 0.7 | 8.78 | 1.58 | 1.98 | 2.72 | 2.46 | 3.34 | 3.86 | 5.1 | 5.71 | 7.29 | 8.52 |
| 5 | 0.8 | 14.2 | 2.56 | 3.2 | 4.4 | 3.98 | 5.4 | 6.25 | 8.23 | 9.23 | 11.8 | 13.8 |
| 6 | 1 | 20.1 | 3.62 | 4.52 | 6.23 | 5.63 | 7.64 | 8.84 | 11.6 | 13.1 | 16.7 | 19.5 |
| 7 | 1 | 28.9 | 5.2 | 6.5 | 8.96 | 8.09 | 11 | 12.7 | 16.8 | 18.8 | 24 | 28 |
| 8 | 1.25 | 36.6 | 6.59 | 8.42 | 11.4 | 10.2 | 13.9 | 16.1 | 21.2 | 23.8 | 30.4 | 35.5 |
| 10 | 1.5 | 58 | 10.4 | 13 | 18 | 16.2 | 22 | 25.5 | 33.7 | 37.7 | 48.1 | 56.3 |
| 12 | 1.75 | 84.3 | 15.2 | 19 | 26.1 | 23.6 | 32 | 37.1 | 48.9 | 54.8 | 70 | 81.8 |
| 14 | 2 | 115 | 20.7 | 25.9 | 35.6 | 32.2 | 43.7 | 50.6 | 66.7 | 74.8 | 95.5 | 112 |
| 16 | 2 | 157 | 28.3 | 35.3 | 48.7 | 44 | 59.7 | 69.1 | 91 | 102 | 130 | 152 |
| 18 | 2.5 | 192 | 34.6 | 43.2 | 59.5 | 53.8 | 73 | 84.5 | 115 | - | 159 | 186 |
| 20 | 2.5 | 245 | 44.1 | 55.1 | 76 | 68.6 | 93.1 | 108 | 147 | - | 203 | 238 |
| 22 | 2.5 | 303 | 54.5 | 68.2 | 93.9 | 84.8 | 115 | 133 | 182 | - | 251 | 294 |
| 24 | 3 | 353 | 63.5 | 79.4 | 109 | 98.8 | 134 | 155 | 212 | - | 293 | 342 |
| 27 | 3 | 459 | 82.6 | 103 | 142 | 128 | 174 | 202 | 275 | - | 381 | 445 |
| 30 | 3.5 | 561 | 101 | 126 | 174 | 157 | 213 | 247 | 337 | - | 466 | 544 |
| 33 | 3.5 | 694 | 125 | 156 | 215 | 194 | 264 | 305 | 416 | - | 576 | 673 |
| 36 | 4 | 817 | 147 | 184 | 253 | 229 | 310 | 359 | 490 | - | 678 | 792 |
| 39 | 4 | 976 | 176 | 220 | 303 | 273 | 371 | 429 | 586 | - | 810 | 947 |
