梯形螺纹计算公式
产业结构升级-工地事故
2023年2月17日发(作者：工程接收证书)螺距P
ac
H4＝h3
R1maxR2max
1.50.150.90.0750.15
20.251.250.1250.25
30.251.750.1250.25
40.252.250.1250.25
50.252.750.1250.25
60.53.50.250.5
70.540.250.5
80.54.50.250.5
90.550.250.5
100.55.50.250.5
120.56.50.250.5
14180.51
16190.51
181100.51
201110.51
221120.51
241130.51
281150.51
321170.51
361190.51
401210.51
441230.51
基本尺寸计算公式
公称直径d
螺距P
中径
d2＝D2
大径
D4
小径
第一系列第二系列
d3D1
81.5*7.258.36.26.5
9
1.58.259.37.27.5
2*8.009.56.57.0
10
1.59.2510.38.28.5
2*9.0010.57.58.0
11
2*10.0011.58.59.0
39.5011.57.58.0
12
211.0012.59.510.0
3*10.5012.58.59.0
14
21314.511.512
3*12.514.510.511
16
21516.513.514
4*1416.511.512
18
21718.515.516
4*1618.513.514
20
21920.517.518
4*1820.515.516
22
320.522.518.519
5*19.522.516.517
818231314
322.524.520.521
24
5*21.524.518.519
820251516
26
324.526.522.523
5*23.526.520.521
822271718
28
326.528.524.525
5*25.528.522.523
824291920
30
328.530.526.527
6*27312324
1025311920
32
330.532.528.529
6*29332526
1027332122
34
232.534.530.531
6*31352728
1029352324
36
334.536.532.533
6*33372930
1031372526
38
336.538.534.535
7*34.5393031
1033392728
40
338.540.536.537
7*36.5413233
1035412930
42
340.542.538.539
7*38.5433435
1037433132
44
342.544.540.541
7*40.5453637
1238453132
46
344.546.542.543
8*42.0473738
1240.0473334
48
346.548.544.545
8*44493940
1242493536
50
348.550.546.547
8*46514142
1244513738
52
350.552.548.549
8*48534344
1246533940
55
353.555.551.552
9*50.5564546
1448573941
60358.560.556.557
9*55.5615051
1453624446
65
46365.560.561
10*60665455
1657674749
70
46870.565.566
10*65715960
1662725254
75
47375.570.571
10*70766465
1667775759
80
47880.575.576
10*75816970
1672826264
85
48385.580.581
12*79867273
1876876567
90
48890.585.586
12*84917778
1881927072
95
49395.590.591
12*89968283
1886977577
100
498100.595.596
12*941018788
2
110
4108110.5105.5106
12*1041109798
2
120
64
14*6
221091229698
130
64
14*6
228
140
64
14*6
246
150
64
16*4
246
160
64
16*4
282
170
64
16*4
282
1872
18*2
282
190
82
18*2
328
200
82
18*2
328
210
82
20*2
364
220
82
2*21
362
230
8226231221222
20*22
362
240
8236241231232
22*229242216218
36222242202204
250
238
22*239252226228
40
260
248
22*249262236238
40
270
258
24*258272244246
40
280
268
24*268282254256
40
290
278
24*278292264266
44268292244246
300
288
24*288302274276
44278302254256