管接头与钢管英制与公制对照表 Thread size Threads per inch Pitch [mm] Major diameter of the thread Gauge length [mm] [mm] [in] 螺纹尺寸 螺纹 / 英寸 倒角 螺纹最大外径 规格长度 [mm] [in] 1/16 28 0.907 7.723 0.304 4 1/8 28 0.907 9.728 0.383 4 1/4 19 1.337 13.157 0.518 6 3/8 19 1.337 16.662 0.656 6.4 1/2 14 1.814 20.995 0.826 8.2 3/4 14 1.814 26.441 1.041 9.5 1 11 2.309 33.249 1.309 10.4 1 1/4 11 2.309 41.910 1.650 12.7 1 1/2 11 2.309 47.803 1.882 12.7 2 11 2.309 59.614 2.347 15.9 2 1/2 11 2.309 75.184 2.959 17.5 3 11 2.309 87.884 3.459 20.6 4 11 2.309 113.030 4.449 25.5 5 11 2.309 138.430 5.449 28.6 6 11 2.309 163.830 6.449 28.6
管接头与钢管英制与公制对照表
Thread size
Threads per inch
Pitch [mm]
Major diameter of the thread
Gauge length [mm]
[mm]
[in]
螺纹尺寸
螺纹 / 英寸
倒角
螺纹最大外径
规格长度
1/16
28
0.907
7.723
0.304
4
1/8
9.728
0.383
1/4
19
1.337
13.157
0.518
6
3/8
16.662
0.656
6.4
1/2
14
1.814
20.995
0.826
8.2
3/4
26.441
1.041
9.5
1
11
2.309
33.249
1.309
10.4
1 1/4
41.910
1.650
12.7
1 1/2
47.803
1.882
2
59.614
2.347
15.9
2 1/2
75.184
2.959
17.5
3
87.884
3.459
20.6
113.030
4.449
25.5
5
138.430
5.449
28.6
163.830
6.449
Corresponding pipe
DN
OD[mm]
OD[in]
Thickness[mm]
相对应钢管
通径
公制外径
英制外径
管子厚度
10.2
0.402
8
13.5
0.531
2.3
10
17.2
0.677
15
21.3
0.838
2.6
20
26.9
1.059
25
33.7
1.327
3.2
32
42.4
1.669
40
48.3
1.901
50
60.3
2.374
3.6
65
76.1
2.996
80
88.9
3.499
100
114.3
4.499
4.5
125
139.7
5.499
150
165.1
6.499
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