20 螺杆带孔和头部带孔细杆六角头螺栓GB/T 31.2、GB/T 32.2—1988标准
螺杆带孔和头部带孔细杆六角头螺栓GB31.2、GB32.2—1988标准
螺杆带孔和头部带孔细杆六角头螺栓和质量见表4.1-37〜表4.1-39。
表4.1-37 螺杆带孔和头部带孔细杆六角头螺栓的尺寸规格(mm)
d (6 g) | d1 | l-lh | h ≈ | |
GB/T 31.2 | GB/T 32.2 | |||
M6 | 1.6 | 1.6 | 3 | 2 |
M8 | 2 | 2 | 4 | 2.6 |
M10 | 2.5 | 2 | 4 | 3.2 |
M12 | 3.2 | 2 | 5 | 3.7 |
(M14) | 3.2 | 2 | 5 | 4.4 |
M16 | 4 | 3 | 6 | 5 |
M20 | 4 | 3 | 6 | 6.2 |
注:1.其他尺寸符合GB/T 5782。
2.尽可能不采用括号内的规格。
表4.1-38 B级细杆六角头头部带孔螺栓的质量(kg)
每1000件钢制品的大约质量 | |||||||||||||
l | G | l | G | l | G | l | G | l | G | l | G | l | G |
M6 | M8 | M10 | M12 | (M14) | M16 | M20 | |||||||
25 | 6.85 | 30 | 15.17 | 40 | 30.41 | 45 | 47.7 | 50 | 73.79 | (55) | 110.4 | (65) | 208.4 |
30 | 7.71 | 35 | 16.72 | 45 | 32.87 | 50 | 51.26 | (55) | 78.66 | 60 | 117 | 70 | 218.7 |
35 | 8.56 | 40 | 18.28 | 50 | 35.32 | 55 | 54.82 | 60 | 83.54 | (65) | 123.5 | 80 | 239.2 |
40 | 9.42 | 45 | 19.83 | (55) | 37.78 | 60 | 58.39 | (65) | 88.41 | 70 | 130 | 90 | 259.6 |
45 | 10.28 | 50 | 21.39 | 60 | 40.23 | 65 | 61.95 | 70 | 93.29 | 80 | 143.1 | 100 | 280.1 |
50 | 11.13 | (55) | 22.94 | 65 | 42.69 | 70 | 65.51 | 80 | 103 | 90 | 156.2 | 110 | 300.6 |
(55) | 11.99 | 60 | 24.5 | 70 | 45.15 | 80 | 72.63 | 90 | 112.8 | 100 | 169.3 | 120 | 321.1 |
60 | 12.85 | 65 | 26.05 | 80 | 50.06 | 90 | 79.76 | 100 | 122.5 | 110 | 182.4 | 130 | 341.5 |
70 | 27.61 | 90 | 54.97 | 100 | 86.88 | 110 | 132.3 | 120 | 195.5 | 140 | 362 | ||
80 | 30.72 | 100 | 59.88 | 110 | 94.01 | 120 | 142 | 130 | 208.6 | 150 | 382.5 | ||
120 | 101.1 | 130 | 151.8 | 140 | 221.6 | ||||||||
140 | 161.5 | 150 | 234.7 |
注:尽可能不采用括号内的规格。
表4.1-39 B级细杆六角头螺杆带孔螺栓的质量(kg)
每1000件钢制品的大约质量 | |||||||||||||
l | G | l | G | l | G | l | G | l | G | l | G | l | G |
M6 | M8 | M10 | M12 | (M14) | M16 | M20 | |||||||
25 | 7.08 | 30 | 15.61 | 40 | 31.26 | 45 | 49.31 | 50 | 75.62 | (55) | 111.9 | (65) | 213.2 |
30 | 7.93 | 35 | 17.16 | 45 | 33.72 | 50 | 52.87 | (55) | 80.5 | 60 | 118.4 | 70 | 223.4 |
35 | 8.79 | 40 | 18.72 | 50 | 36.17 | (55) | 56.43 | 60 | 85.37 | (65) | 125 | 80 | 243.9 |
40 | 9.65 | 45 | 20.27 | (55) | 38.63 | 60 | 60 | (65) | 90.25 | 70 | 131.5 | 90 | 264.4 |
45 | 10.51 | 50 | 21.83 | 60 | 41.08 | (65) | 63.56 | 70 | 95.12 | 80 | 144.6 | 100 | 284.9 |
50 | 11.36 | (55) | 23.38 | (65) | 43.54 | 70 | 67.12 | 80 | 104.9 | 90 | 157.7 | 110 | 305.4 |
(55) | 12.22 | 60 | 24.94 | 70 | 46 | 80 | 74.24 | 90 | 114.6 | 100 | 170.8 | 120 | 325.8 |
60 | 13.08 | (65) | 26.49 | 80 | 50.91 | 90 | 81.37 | 100 | 124.4 | 110 | 183.9 | 130 | 346.3 |
(65) | 13.93 | 70 | 28.05 | 90 | 55.82 | 100 | 88.49 | 110 | 134.1 | 120 | 196.9 | 140 | 366.8 |
70 | 14.79 | 80 | 31.16 | 100 | 60.73 | 110 | 95.62 | 120 | 143.9 | 130 | 210 | 150 | 387.3 |
120 | 102.7 | 130 | 153.6 | 140 | 223.1 | ||||||||
140 | 163.4 | 150 | 236.2 |