螺纹紧固件的紧固扭矩
- 2016-03-14 10:47:00
- sawchina 原创
- 8049
螺纹紧固件的紧固扭矩
螺纹直径MM |
性 能 等 级 |
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4.6 |
4.8 |
5.6 |
6.8 |
8.8 |
9.8 |
10.9 |
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相 当 材 料 |
||||||||||||||
低碳钢或高碳钢 |
低碳钢或低碳合金钢 |
低碳合金钢 |
||||||||||||
扭 矩 值 N.M |
||||||||||||||
5 |
2.0 |
2.7 |
2.6 |
4.1 |
5.5 |
6.1 |
7.7 |
|||||||
6 |
3.5 |
4.6 |
4.3 |
6.9 |
9.3 |
10.4 |
13.2 |
|||||||
8 |
3.4 |
11.2 |
10.5 |
16.9 |
22.5 |
25.3 |
31.6 |
|||||||
10 |
16.7 |
22.3 |
20.9 |
33.4 |
44.5 |
50.1 |
62.2 |
|||||||
12 |
29.1 |
38.8 |
36.4 |
58.3 |
77.7 |
87.4 |
109.3 |
|||||||
14 |
46.4 |
61.8 |
58.0 |
92.7 |
123.6 |
139.1 |
173.9 |
|||||||
16 |
72.3 |
96.5 |
90.4 |
144.7 |
192.9 |
217.0 |
271.3 |
|||||||
18 |
99.5 |
132.7 |
124.4 |
199.1 |
265.4 |
298.6 |
373.2 |
|||||||
20 |
141.1 |
188.2 |
176.4 |
282.2 |
376.3 |
423.4 |
529.2 |
|||||||
22 |
192.0 |
256.0 |
240.0 |
384.0 |
511.9 |
575.9 |
719.9 |
|||||||
24 |
244.0 |
325.3 |
305.0 |
488.0 |
650.6 |
732.0 |
915.0 |
|||||||
27 |
356.9 |
475.9 |
446.1 |
713.8 |
951.8 |
1070.8 |
1338.4 |
|||||||
30 |
484.7 |
646.3 |
605.9 |
969.4 |
1292.5 |
1454.1 |
1817.6 |
|||||||
32 |
659.6 |
879.4 |
824.5 |
1319.2 |
1753.9 |
1978.7 |
2473.4 |
|||||||
36 |
847.1 |
1129.4 |
1058.8 |
1694.1 |
2258.8 |
2541.2 |
3176.5 |
|||||||
42 |
1044.6 |
1389.3 |
1303.1 |
2079 |
2773.7 |
3113.7 |
3889.6 |
|||||||
汽车螺纹紧固件拧紧扭距国家标准 QC/T518-1999 |
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螺纹直径 |
螺 距 |
拧 紧 扭 距 标 准 值( N.m ) |
||||||||||||
( m m ) |
( m m ) |
4.6级 |
5.6级 |
8.8级 |
10.9级 |
|||||||||
6 |
1 |
4.0 |
4.5 |
9~11 |
12~14 |
|||||||||
8 |
1.25 |
8.0 |
10.6 |
21~25 |
29~35 |
|||||||||
8 |
1 |
8.5 |
11.0 |
22~27 |
32~39 |
|||||||||
10 |
1.5 |
19.7 |
26.0 |
41~51 |
58~71 |
|||||||||
10 |
1.25 |
20.8 |
28.0 |
45~55 |
53~77 |
|||||||||
10 |
1 |
21.8 |
29.0 |
46~56 |
65~79 |
|||||||||
12 |
1.75 |
37.3 |
45.0 |
73~89 |
105~128 |
|||||||||
12 |
1.5 |
38.5 |
47.0 |
75~92 |
106~130 |
|||||||||
12 |
1.25 |
39.6 |
50.0 |
78~96 |
113~138 |
|||||||||
14 |
2 |
61.2 |
81.0 |
122~149 |
160~195 |
|||||||||
14 |
1.5 |
74.6 |
90.0 |
126~154 |
178~218 |
|||||||||
16 |
2 |
95.0 |
124.0 |
182~222 |
247~290 |
|||||||||
16 |
1.5 |
105.0 |
132.0 |
199~243 |
265~311 |
|||||||||
18 |
2.5 |
142.9 |
190.0 |
243~285 |
380~437 |
|||||||||
18 |
1.5 |
157.6 |
200.0 |
287~336 |
397~457 |
|||||||||
20 |
2.5 |
188.0 |
231.0 |
389~456 |
486~548 |
|||||||||
20 |
1.5 |
203.7 |
246.6 |
396~465 |
540~596 |
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