粗牙螺纹的保证载荷
|
螺纹
规格
d
|
螺纹的应力
截面积
As/mm2
|
性能等级
|
|
3.6
|
4.6
|
4.8
|
5.6
|
5.8
|
6.8
|
8.8
|
9.8
|
10.9
|
12.9
|
|
保证载荷(As×Sp)/N
|
|
M3
|
5.03
|
910
|
1130
|
1560
|
1410
|
1910
|
2210
|
2920
|
3270
|
4180
|
4880
|
|
M3.5
|
6.78
|
1220
|
1530
|
2100
|
1900
|
2580
|
2980
|
3940
|
4410
|
5630
|
6580
|
|
M4
|
8.78
|
1580
|
1980
|
2720
|
2460
|
3340
|
3860
|
5100
|
5710
|
7290
|
8520
|
|
M5
|
14.2
|
2560
|
3200
|
4400
|
3980
|
5400
|
6250
|
8230
|
9230
|
11800
|
13800
|
|
M6
|
20.1
|
3620
|
4520
|
6230
|
5630
|
7640
|
8840
|
11600
|
13100
|
16700
|
19500
|
|
M7
|
28.9
|
5200
|
6500
|
8960
|
8090
|
11000
|
12700
|
16800
|
18800
|
24000
|
28000
|
|
M8
|
36.6
|
6590
|
8240
|
11400
|
10200
|
13900
|
16100
|
21200
|
23800
|
30400
|
35500
|
|
M10
|
58
|
10400
|
13000
|
18000
|
16200
|
22000
|
25500
|
33700
|
37700
|
48100
|
56300
|
|
M12
|
84.3
|
15200
|
19000
|
26100
|
23600
|
32000
|
37100
|
48900①
|
54800
|
70000
|
81800
|
|
M14
|
115
|
20700
|
25900
|
35600
|
32200
|
43700
|
50600
|
66700①
|
74800
|
95500
|
112000
|
|
M16
|
157
|
28300
|
35300
|
48700
|
44000
|
59700
|
69100
|
91000①
|
102000
|
130000
|
152000
|
|
M18
|
192
|
34600
|
43200
|
59500
|
53800
|
73000
|
84500
|
115000
|
—
|
159000
|
186000
|
|
M20
|
245
|
44100
|
55100
|
76000
|
68600
|
93100
|
108000
|
147000
|
—
|
203000
|
238000
|
|
M22
|
303
|
54500
|
68200
|
93900
|
84800
|
115000
|
133000
|
182000
|
—
|
252000
|
294000
|
|
M24
|
353
|
63500
|
79400
|
109000
|
98800
|
134000
|
155000
|
212000
|
—
|
293000
|
342000
|
|
M27
|
459
|
82600
|
103000
|
142000
|
128000
|
174000
|
202000
|
275000
|
—
|
381000
|
445000
|
|
M30
|
561
|
101000
|
126000
|
174000
|
157000
|
213000
|
247000
|
337000
|
—
|
466000
|
544000
|
|
M33
|
694
|
125000
|
156000
|
215000
|
194000
|
264000
|
305000
|
416000
|
—
|
576000
|
673000
|
|
M36
|
817
|
147000
|
184000
|
253000
|
229000
|
310000
|
359000
|
490000
|
—
|
678000
|
792000
|
|
M39
|
976
|
176000
|
220000
|
303000
|
273000
|
371000
|
429000
|
586000
|
—
|
810000
|
947000
|
①对钢结构用螺栓,分别以50700N、68800N和94500N代替。
细牙螺纹的保证载荷
|
螺纹
规格
d×P①
|
螺纹的
应力
截面积
As／mm2
|
性能等级
|
|
3.6
|
4.6
|
4.8
|
5.6
|
5.8
|
6.8
|
8.8
|
9.8
|
10.9
|
12.9
|
|
保证载荷(As×Sp)/N
|
|
M8×1
|
39.2
|
7060
|
8820
|
12200
|
11000
|
14900
|
17200
|
22700
|
25500
|
32500
|
38000
|
|
M10×1
|
64.5
|
11600
|
14500
|
20000
|
18100
|
24500
|
28400
|
37400
|
41900
|
53500
|
62700
|
|
M10×1.25
|
61.2
|
11000
|
13800
|
19000
|
17100
|
23300
|
26900
|
35500
|
39800
|
50800
|
59400
|
|
M12×1.25
|
92.1
|
16600
|
20700
|
28600
|
25800
|
35000
|
40500
|
53400
|
59900
|
76400
|
89300
|
|
M12×1.5
|
88.1
|
15900
|
19800
|
27300
|
24700
|
33500
|
38800
|
51100
|
57300
|
73100
|
85500
|
|
M14×1.5
|
125
|
22500
|
28100
|
38800
|
35000
|
47500
|
55000
|
72500
|
81200
|
104000
|
121000
|
|
M16×1.5
|
167
|
30100
|
37600
|
51800
|
46800
|
63500
|
73500
|
96900
|
109000
|
139000
|
162000
|
|
M18×1.5
|
216
|
38900
|
48600
|
67000
|
60500
|
82100
|
95000
|
130000
|
—
|
179000
|
210000
|
|
M20×1.5
|
272
|
49000
|
61200
|
84300
|
76200
|
103000
|
120000
|
163000
|
—
|
226000
|
264000
|
|
M22×1.5
|
333
|
59900
|
74900
|
103000
|
93200
|
126000
|
146000
|
200000
|
—
|
276000
|
323000
|
|
M24×2
|
384
|
69100
|
86400
|
119000
|
108000
|
146000
|
169000
|
230000
|
—
|
319000
|
372000
|
|
M27×2
|
496
|
89300
|
112000
|
154000
|
139000
|
188000
|
218000
|
298000
|
—
|
412000
|
481000
|
|
M30×2
|
621
|
112000
|
140000
|
192000
|
174000
|
236000
|
273000
|
373000
|
—
|
515000
|
602000
|
|
M33×2
|
761
|
137000
|
171000
|
236000
|
213000
|
289000
|
335000
|
457000
|
—
|
632000
|
738000
|
|
M36×3
|
865
|
156000
|
195000
|
268000
|
242000
|
329000
|
381000
|
519000
|
—
|
718000
|
839000
|
|
M39×3
|
1030
|
185000
|
232000
|
319000
|
288000
|
391000
|
453000
|
618000
|
—
|
855000
|
999000
|
① P—螺距。
