1、中华人民共和国航空工业标准二十HB 6903-93 其余吧yH2 e市向CI a H L 注1)共部底孔30处允许做成平面或圃弧的.2)D，和.主间斜面30处由模具保证。中国航空工业总公司1993-11-05发布1994- 06-01实施1 HB 6903-93 表1材料限用直径热处理表团处理mm MPa 3CrMnSiA 5-24 G. = 1175 :t 100 d，3 2.5744 164!6.191 S.G43 11 .664115.163 8 mm 22 24 l 11 l 1 1 114 137.5 112 137 118 141.5 116 141 20 22 24 15.695
2、 16.188 20.013 16.681 20.61 25.267 17.175 21. 206 25.977 17.668 21. 803 i 26 .687 18.161 22.4 27.397 18.654 22.997 28.108 19.148 23.594 28.818 HB 6903-93 续表55 6 8 10 12 14 16 18 20 22 24 100件螺栓的理论质量地48 1. 03 1. 478 2.653 4.287 6.369 8.885 11.98 15.652 19.641 24.19 29.528 50 1.06 1. 552 2.732 4.411 6
3、.547 9.127 12 15.962 20.134 24.787 30.238 52 1. 567 2.811 4.534 6.725 9.369 16.362 20.627 25.384 30.949 54 1. 611 2.899 4.657 6.903 9.611 112. 92 16.761 21.12 25.981 31. 659 56 1. 657 2.969 4.781 7.08 9.853 13.24 17.161 21. 614 26.578 32.369 58 1. 70 3.05 4.904 7.259 17.56 22.107 27.174 33.079 60 1.
4、 745 3.127 5.027 7.437 337 113叫17.9622.60 27.771 33.79 62 1. 789 3.206 5.151 7.615 19 18. 359 23.093 23.368 34.499 64 3.282 5.274 7.793110.821 18.759 23.587 28.965 35.21 66 3.364 5.397 7 . 97111 1. 063 114. 32 19.158 24.08 29.562 35.922 68 3.442 5.52 8.14911 1. 305 115.1419.558 24.573 30.158 36.631
5、70 3.521 5.644 8.32711.5415 19.957 25.066 30.755 37.341 72 3.60 5.767 8.505 15.772 20.357 25.56 31.352 38.051 74 3.679 5.89 8.683 2.03 20.756 26.053 31.949 38.761 76 3.758 6.014 8.861 2 21. 156 26.546 32.546 39.472 78 3.837 6.137 9.039 12.51叫16.7221. 555 27.039 33.143 60.182 80 3.916 6.260 9.217 2口7
6、.03 21. 955 27.533 33.739 40.892 82 3.995 6.384 9.395 2 7.35斗22.35428.026 34.336 41. 602 84 6.507 9.573 13.24 7. 22.754 28.519 34.933 42.313 86 6.630 9.751 13. 7 23.153 29.012 35.53 46.023 88 6.753 9.929 13.7问18.3023.553 29.506 36.127 43.733 90 6.877 险些113.9618 23.952 29.999 36.723 44.443 92 7.0 10.
7、2叫14川93224.352 30.492 37.32 45.154 94 7.123 451 9 24.751 30.985 37.917 45.864 96 7.247 17.69邓9日25.151 31. 414 38.514 46.574 9 HB 6903-93 续表5m:;j 5 6 8 1 10 1. 12 14 16 18 且主主主主，二100 论质量kg98 100 7 .493 0.9915. 177扣。125.95 104 7.74 108 112 116 120 124 128 132 136 140 144 148 拉力试验载荷按GJB124 - 860 技术条件按G
8、JB123 - 860 10 1.35*5.66中o.26.749 111.70叫1621. 46 27.548 t.06斗16.62牢2.0叫28.34742117.11丰2.7229.146 2.77 |且I. 35 29. 945 30.744 24.62 31. 543 19.04华5.25232.342 9. 33.141 。15 33.94 忏34.739 27.78 35.538 20 22 24 32.465 39.707 47.995 33.451 40.901 49.415 34.438 42.095 50.836 35.42 52.256 36.411 44.482 53.677 37.397 45.676 55.097 38.384 46.869 56.518 39.37 48.063 57.938 40.357 49.256 59.359 41. 343 50.45 60.779 42.33 51. 644 62.199 43.316 52.837 63.62 44.303 54.031 65.04
