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螺栓预紧拉力推荐表（拉伸器选型用）
|
螺栓强度等级 |
3.6 |
4.6 |
4.8 |
5.6 |
5.8 |
6.8 |
8.8 |
9.8 |
10.9 |
12.9 |
|
螺母尺寸 |
拉
伸 力（KN） |
|
规 格 |
S（对边） |
| M12 |
18 |
8.66 |
11.5 |
15.4 |
14.4 |
19.2 |
23.1 |
30.8 |
34.6 |
43.3 |
52 |
|
M14 |
21 |
11.9 |
15.9 |
21.2 |
19.8 |
26.4 |
31.7 |
42.3 |
47.6 |
59.5 |
71.4 |
| M16 |
24 |
16.2 |
21.6 |
28.8 |
27 |
36 |
43.2 |
57.6 |
64.8 |
81 |
97.2 |
|
M18 |
27 |
19.8 |
26.4 |
35.2 |
33 |
44 |
52.8 |
70.4 |
79.2 |
99 |
118. |
| M20 |
30 |
25.4 |
33.9 |
45.2 |
42.4 |
56.4 |
67.7 |
90.3 |
101.6 |
127 |
152.4 |
|
M22 |
32 |
31.6 |
42.1 |
56.2 |
52.7 |
70.2 |
84.3 |
112.4 |
126.4 |
158 |
189.6 |
| M24 |
36 |
36.5 |
48.6 |
64.9 |
60.8 |
81.1 |
97.3 |
129.8 |
146 |
182.5 |
219 |
|
M27 |
41 |
47.8 |
63.7 |
85 |
79.7 |
106.2 |
127.5 |
170 |
191.2 |
239 |
286.8 |
| M30 |
46 |
58.3 |
77.7 |
103.6 |
97.1 |
129.6 |
155.5 |
207.3 |
233.2 |
291.5 |
349.8 |
|
M33 |
50 |
72.4 |
96.5 |
128.7 |
120.7 |
160.9 |
193.1 |
257.4 |
289.6 |
362 |
434.4 |
| M36 |
55 |
85.1 |
113.5 |
151.3 |
141.8 |
189.1 |
226.9 |
302.6 |
340.4 |
425.5 |
510.6 |
|
M39 |
60 |
102 |
136 |
181.3 |
170 |
226.7 |
272 |
362.7 |
408 |
510 |
612 |
| M42 |
65 |
116.9 |
155.9 |
207.8 |
194.8 |
259.8 |
311.7 |
415.6 |
467.6 |
584.5 |
701.4 |
|
M45 |
70 |
136.6 |
182.1 |
242.8 |
227.6 |
303.6 |
364.3 |
485.7 |
546.4 |
683 |
819.6 |
| M48 |
75 |
153.9 |
205.2 |
273.6 |
256.5 |
342 |
410.4 |
547.2 |
615.6 |
769.5 |
923.4 |
|
M52 |
80 |
184.1 |
245.5 |
327.2 |
306.8 |
409.1 |
490.9 |
654.6 |
736.4 |
920.5 |
1105 |
| M56 |
85 |
212.5 |
283.3 |
377.8 |
354.2 |
472.2 |
566.7 |
755.6 |
850 |
1063 |
1275 |
|
M60 |
90 |
247.8 |
330.4 |
440.5 |
413 |
550.7 |
660.8 |
881.1 |
991.2 |
1239 |
1487 |
| M64 |
95 |
280.5 |
374 |
498.7 |
467.5 |
623.3 |
748 |
997.3 |
1122 |
1403 |
1683 |
|
M68 |
100 |
320.9 |
427.9 |
570.5 |
534.8 |
713.1 |
855.7 |
1141 |
1284 |
1605 |
1925 |
| M72 |
105 |
364 |
485.3 |
647.1 |
606.7 |
808.9 |
970.7 |
1294 |
1456 |
1820 |
2184 |
|
M76 |
110 |
409.8 |
546.4 |
728.5 |
683 |
910.7 |
1093 |
1457 |
1639 |
2049 |
2459 |
| M80 |
115 |
458.4 |
611.2 |
814.9 |
764 |
1019 |
1222 |
1630 |
1834 |
2292 |
2750 |
|
M85 |
120 |
522.8 |
697.1 |
929.4 |
871.3 |
1162 |
1394 |
1859 |
2091 |
2614 |
3137 |
| M90 |
130 |
687.1 |
916.1 |
1221 |
1145 |
1527 |
1832 |
2443 |
2748 |
3436 |
4123 |
|
注：
以上拉伸力按螺栓屈服极限×60%计算 |
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公司名称：宜昌市赛洋机械制造有限责任公司
地址：湖北省宜昌市西陵经济开发区西湖路25号
电话：
0717-6724110 13697288796 邮编：443002
网址：http://www.sayangweb.com
电子邮件:
1901653117@qq.com