丹凤千字科普：16螺纹钢筋一米多少kg（详细资料介绍）
基本直径
内螺纹公差等级
外螺纹公差
大径
中径
小径
公差等级
M101
10
9.35
8.917
6H
7H
6g
中径公差
小径公差
M121
12
11.35
10.917
6H
7H
6g
M141
14
13.35
12.291
6H
7H
6g
M121.25
12
11.188
10.647
6H
7H
6g
M141.25
14
13.188
12.647
6H
7H
6g
M121.5
12
11.026
10.376
6H
7H
6g
M141.5
14
13.026
12.376
6H
7H
6g
M161.5
16
15.026
14.376
6H
7H
6g
M181.5
18
17.026
16.376
6H
7H
6g
M201.5
20
19.026
18.376
6H
7H
6g
M221.5
22
21.026
20.376
6H
7H
6g
M241.5
24
23.026
22.376
6H
7H
6g
M261.5
26
25.026
24.376
6H
7H
6g
M271.5
27
26.026
25.376
6H
7H
6g
M301.5
30
29.026
28.376
6H
7H
6g
M331.5
33
32.026
31.376
6H
7H
6g
M361.5
36
35.026
34.376
6H
7H
6g
M391.5
39
38.026
37.376
6H
7H
6g
M421.5
42
41.026
40.376
6H
7H
6g
M272
27
25.701
24.835
6H
7H
6g
M302
30
28.701
27.835
6H
7H
6g
M332
33
31.701
30.835
6H
7H
6g
M362
36
34.701
33.835
6H
7H
6g
M392
39
37.701
36.835
6H
7H
6g
M422
42
40.701
39.835
6H
7H
6g
M452
45
43.701
42.835
6H
7H
6g
M522
52
50.701
49.835
6H
7H
6g
M602
60
58.701
57.835
6H
7H
6g
M642
64
62.701
61.835
6H
7H
6g
M722
72
70.701
69.835
6H
7H
6g
美制NP螺纹（标准ANSI B1.20.1机械连接用直管螺纹60度）
标号
螺纹代号
外螺纹（2）
内螺纹（2B级）
大径
中径
小径
中径
最大值
最小值
最大值
最小值
最小值
最大值
最小值
最大值
02
1/8-27NP
10.084
9.906
9.462
9.370
9.093
9.246
9.489
9.609
04
1/4-18NP
13.360
13.132
12.454
12.342
11.887
12.217
12.487
12.634
06
3/8-18NP
16.815
16.586
15.890
15.776
15.316
15.545
15.926
16.076
08
1/2-14NP
20.904
20.650
19.733
19.604
18.974
19.279
19.771
19.942
12
3/4-14NP
26.264
26.010
25.077
24.943
24.333
24.638
25.118
25.293
16
1-11.5NP
32.842
32.537
31.417
31.270
30.505
30.759
31.460
31.653
20
1.1/4-11.5NP
41.605
41.300
40.173
40.020
39.268
39.497
40.218
40.416
24
1.1/2-11.5NP
47.676
47.371
46.241
46.086
45.339
45.568
46.286
46.487
32
2-11.5NP
59.715
59.411
58.278
58.120
57.379
57.607
58.326
58.532
40
2.1/2-8NP
72.161
71.780
70.104
69.916
68.783
69.266
70.160
70.409
48
3-8NP
88.062
87.681
86.009
85.816
84.684
85.166
86.068
86.319
NPT布锥管螺纹
标号
螺纹代号
基面上的直径
螺纹长度
端面大径
大径
中径
小径
管端至基面长
有效长度
02
Z1/827
10.242
9.489
8.736
4.102
6.703
9.986
04
Z1/418
13.616
12.487
11.385
5.786
10.206
13.254
06
Z3/818
17.055
15.926
14.797
6.096
10.358
16.674
08
Z1/214
21.223
19.772
18.321
8.128
13.556
20.715
12
Z3/414
26.568
25.117
23.666
8.611
13.861
26.030
16
Z111.5
33.228
31.461
29.694
10.160
17.343
32.593
20
Z1.1/41.5
41.985
40.218
38.451
10.668
17.953
41.318
24
Z1.1/211.5
48.054
46.287
44.520
10.668
18.377
47.387
32
Z211.5
60.092
58.325
56.558
11.074
19.215
59.400
40
Z2.1/28
72.699
70.159
67.619
17.323
28.892
71.616
48
Z38
88.608
86.068
83.528
19.456
30.480
87.392
55度英锥管螺纹
标号
螺纹代号
基本直径
内螺纹
外螺纹
大径
中径
小径
中径公差
小径公差
公差等级
中径公差
大径公差
中径公差
大径公差
02
G1/828
9.728
9.147
8.566
0.170，0
0.282，0
0，-0.170
0，-0.214
0，-0.214
0，-0.214
04
G1/419
13.157
12.301
11.445
0.12
