26 C级大半圆头方颈螺栓GB/T 14—1998标准
C级大半圆头方颈螺栓GB14—1998标准
C级大半圆头方颈螺栓的尺寸规格、质量见表4.1-49和表4.1-50。
表4.1-49 C级大半圆头方颈螺栓的尺寸规格(mm)
螺纹规格d | M6 | M8 | M10 | M12 | (M14) | M16 | M20 | M24 | |
b | l≤125 | 18 | 22 | 26 | 30 | 34 | 38 | 46 | 54 |
125<l≤200 | — | 28 | 32 | 36 | 40 | 44 | 52 | 60 | |
dk | max | 15.1 | 19.1 | 24.3 | 29.3 | 33.6 | 36.6 | 45.6 | 53.9 |
min | 13.3 | 17.3 | 22.16 | 27.16 | 31 | 34 | 43 | 50.8 | |
k1 | max | 4.4 | 5.4 | 6.4 | 8.45 | 9.45 | 10.45 | 12.55 | 17.55 |
min | 3.6 | 4.6 | 6.6 | 7.55 | 8.55 | 9.55 | 11.45 | 16.45 | |
k | max | 3.48 | 4.48 | 5.48 | 6.48 | 7.9 | 8.9 | 10.9 | 13.1 |
min | 2.7 | 3.6 | 4.6 | 5.6 | 6.55 | 7.55 | 9.55 | 11.45 | |
Ss | max | 6.3 | 8.36 | 10.36 | 12.43 | 14.43 | 16.43 | 20.52 | 24.52 |
min | 5.84 | 7.8 | 9.8 | 11.76 | 13.76 | 15.76 | 19.72 | 23.72 | |
r min | 0.5 | 0.5 | 0.5 | 0.8 | 0.8 | 1 | 1 | 1.5 | |
R | 11 | 14 | 18 | 22 | 22 | 26 | 32 | 34 | |
x max | 2.5 | 3.2 | 3.8 | 4.3 | 5 | 5 | 6.3 | 7.5 | |
l ① | 20〜60 | 20〜80 | 30~100 | 35〜120 | 35〜140 | 50 ~160 | 60〜200 | 80〜200 |
注:尽量不采用带括号的规格。
①公称长度系列:20〜70(5进级)、80〜160 (10进级)、180、200mm。
表4.1-50 C级大半圆头方颈螺栓的质量(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 | l | G |
M6 | M8 | M10 | M12 | (M14) | M16 | M20 | M24 | ||||||||
20 | 5.57 | 20 | 11.04 | 30 | 24.98 | 35 | 43.17 | 35 | 59.25 | 50 | 104.2 | 60 | 198.6 | 80 | 356.6 |
25 | 6.43 | 25 | 12.59 | 35 | 27.43 | 40 | 46.73 | 40 | 64.12 | (55) | 110.8 | (65) | 208.8 | 90 | 386.1 |
30 | 7.29 | 30 | 14.15 | 40 | 29.89 | 45 | 50.3 | 45 | 69 | 60 | 117.3 | 70 | 219 | 100 | 415.6 |
35 | 8.14 | 35 | 15.7 | 45 | 32.34 | 50 | 53.86 | 50 | 73.87 | (65) | 123.9 | 80 | 239.5 | 110 | 445.1 |
40 | 9 | 40 | 17.26 | 50 | 34.8 | (55) | 57.42 | (55) | 78.74 | 70 | 130.4 | 90 | 260 | 120 | 474.6 |
45 | 9.86 | 45 | 18.81 | (55) | 37.25 | 60 | 60.98 | 60 | 83.62 | 80 | 143.5 | 100 | 280.5 | 130 | 504.1 |
50 | 10.72 | 50 | 20.37 | 60 | 39.71 | (65) | 64.55 | (65) | 88.49 | 90 | 156.6 | 110 | 300.9 | 140 | 533.6 |
(55) | 11.57 | (55) | 21.92 | (65) | 42.17 | 70 | 68.11 | 70 | 93.37 | 100 | 169.7 | 120 | 321.4 | 150 | 563.1 |
60 | 12.43 | 60 | 23.48 | 70 | 44.62 | 80 | 75.23 | 80 | 103.1 | 110 | 182.7 | 130 | 341.9 | 160 | 592.6 |
(65) | 25.03 | 80 | 49.53 | 90 | 82.36 | 90 | 112.9 | 120 | 195.8 | 140 | 362.4 | 180 | 651.6 | ||
70 | 26.59 | 90 | 54.44 | 100 | 89.48 | 100 | 122.6 | 130 | 208.9 | 150 | 382.9 | 200 | 710.6 | ||
80 | 29.7 | 100 | 59.36 | 110 | 96.6 | 110 | 132.4 | 140 | 222 | 160 | 403.3 | ||||
120 | 103.7 | 120 | 142.1 | 150 | 235.1 | 180 | 444.3 | ||||||||
130 | 151.9 | 160 | 248.2 | 200 | 485.2 | ||||||||||
140 | 161.6 |
注:尽量不采用括号内的规格。