无缝钢管英寸对照表
外径
壁厚
重量
英寸
毫米.
单位
英寸.
公斤/米.
磅/英尺.
1/8”
10.3
10S
1.24
0.049
0.28
0.19
STD-40
1.73
0.068
0.37
0.25
XS-80
2.41
0.095
0.48
0.32
1/4”
13.7
1.65
0.065
0.50
0.34
2.24
0.088
0.64
0.43
3.02
0.119
0.81
0.55
3/8”
17.1
2.31
0.091
0.85
0.57
3.20
0.126
1.11
0.75
1/2”
21.3
5S
1.05
0.042
0.53
0.36
2.11
0.083
1.01
0.68
2.77
0.109
1.28
0.86
3.73
0.147
1.63
1.10
160
4.78
0.188
1.97
1.33
XXS
7.47
0.294
2.57
3/4”
26.7
1.03
0.69
1.29
0.87
2.87
0.113
1.70
1.14
3.91
0.154
2.22
1.49
5.56
0.219
2.93
7.82
0.308
3.68
2.48
1”
33.4
1.31
0.88
2.12
1.42
3.38
0.133
2.53
4.55
0.179
3.27
2.18
6.35
0.250
4.28
2.88
9.09
0.358
5.51
3.71
1 1/4”
42.2
1.67
1.12
2.72
1.83
3.56
0.140
3.43
4.85
0.191
4.51
3.03
5.67
3.81
9.70
0.382
7.85
5.28
1 1/2”
48.3
1.92
3.14
0.145
4.09
2.75
5.08
0.200
5.47
7.14
0.281
7.32
4.92
10.15
0.400
9.65
6.49
2”
60.3
1.62
3.06
2.06
3.97
2.67
3.18
0.125
4.52
3.04
5.49
3.69
5.54
0.218
7.56
8.74
0.344
11.23
7.55
11.07
0.436
13.58
9.13
2 1/2”
73.0
2.51
3.05
0.120
5.32
3.57
30
8.12
5.46
5.16
0.203
8.72
5.86
7.01
0.276
11.52
7.74
9.53
0.375
15.08
10.14
14.02
0.552
20.60
13.84
3”
88.9
4.56
3.07
5.95
4.00
6.52
4.38
6.79
3.58
0.141
7.61
5.12
3.96
0.156
8.38
5.63
0.216
11.41
7.67
7.62
0.300
15.43
10.37
11.13
0.438
21.56
14.49
15.24
0.600
27.96
18.79
3 1/2”
101.6
5.23
3.52
7.49
5.03
11.53
7.75
5.74
0.226
13.71
9.21
8.08
0.318
18.83
12.65
4”
114.3
5.90
8.46
5.68
8.81
5.92
10.89
4.37
0.172
11.97
8.05
13.04
8.76
14.03
9.43
15.06
10.62
6.02
0.237
16.24
10.91
17.08
11.48
19.06
12.81
7.92
0.312
20.99
14.11
8.56
0.337
22.55
15.15
120
28.61
19.23
13.49
0.531
33.88
22.77
17.12
0.674
41.45
27.85
5”
141.3
13.55
9.11
16.26
10.93
18.80
12.63
6.55
0.258
21.99
14.78
23.86
16.04
26.32
17.69
31.28
21.02
12.70
0.500
40.69
27.34
15.88
0.625
49.62
33.34
19.05
0.750
58.01
38.98
6”
168.3
17.84
11.99
19.47
13.09
20.97
14.09
22.54
25.62
17.22
7.11
0.280
28.55
19.19
31.64
21.26
34.74
23.35
37.69
25.33
10.97
0.432
42.99
28.89
49.23
33.08
14.27
0.562
54.75
36.79
60.30
40.52
18.26
0.719
68.25
45.86
70.85
47.61
21.95
0.864
80.02
53.77
22.23
0.875
80.87
54.34
8”
219.1
25.52
17.15
27.50
18.48
29.58
19.88
20
33.65
22.61
7.04
0.277
37.19
24.99
41.66
28.00
8.18
0.322
42.98
28.88
45.80
30.78
49.75
33.43
60
10.31
0.406
53.62
36.03
57.66
38.75
65.30
43.88
72.81
48.93
100
15.09
0.594
76.69
51.53
80.31
54.02
91.36
61.39
94.93
63.79
140
20.62
0.812
101.95
68.51
108.96
73.22
23.01
0.906
112.40
75.59
25.40
1.000
122.56
82.36
10”
273.0
31.94
21.46
34.43
23.14
37.04
24.89
42.18
28.34
7.09
0.279
46.97
31.56
7.80
0.307
34.63
57.34
38.66
9.27
0.365
60.90
40.92
72.61
48.79
XS-60
82.35
55.34
91.92
61.80
80
96.95
65.15
101.71
68.35
115.87
77.86
129.64
87.11
21.44
0.844
134.35
90.28
138.87
93.32
23.83
0.938
147.91
99.39
XXS-140
156.66
105.22
28.58
1.125
174.01
116.93
31.75
1.250
190.81
128.22
12”
323.8
50.22
33.75
56.32
37.85
62.32
41.88
0.330
65.85
44.23
68.60
46.10
STD
74.61
50.13
40
80.51
54.10
86.69
58.25
XS
98.42
66.14
110.03
73.94
121.81
81.85
17.48
0.688
133.38
89.63
14.62
97.18
155.73
104.65
161.48
108.51
178.07
119.65
XXS-120
188.80
126.87
26.97
1.062
199.42
134.00
210.18
141.23
230.98
155.21
33.32
1.312
241.10
162.01
14”
355.6
10
55.25
37.13
46.1
75.52
50.75
STD-30
82.16
55.21
88.68
59.59
95.51
64.18
108.48
72.90
121.33
81.53
128.00
86.01
159.71
107.32
196.94
132.34
208.92
140.39
220.78
148.36
27.79
1.094
226.93
152.49
256.13
172.11
35.71
1.406
284.56
191.21
16”
406.4
63.28
42.52
71.01
47.72
78.62
52.83
86.58
58.18
0.357
94.21
63.31
101.72
68.36
109.59
73.64
XS-40
124.55
83.69
139.39
93.67
154.48
103.80
16.66
0.656
161.74
108.69
169.35
113.80
183.81
123.52
198.15
133.15
205.60
138.15
241.06
161.98
26.19
1.031
248.05
166.68
30.96
1.219
289.54
194.56
296.31
199.11
36.53
1.438
336.57
226.16
40.49
1.594
369.06
247.99
18”
457
88.60
59.54
97.59
65.58
106.23
71.38
114.72
77.09
123.62
83.07
140.56
94.45
157.38
105.75
174.50
117.25
191.38
128.60
207.82
139.65
257.13
172.78
273.08
183.50
288.91
194.14
305.01
204.96
29.36
1.156
312.76
210.16
30.18
1.188
320.88
215.62
336.33
226.00
34.93
1.375
367.25
246.78
39.67
1.562
412.40
277.12
45.24
1.781
464.03
311.81
20”
508
108.70
73.04
STD-20
118.33
79.51
127.82
85.89
137.76
92.57
XS-30
156.70
105.3
175.51
117.94
185.28
124.50
194.67
130.81
213.59
143.53
232.03
155.92
250.34
168.22
305.35
205.18
314.33
211.22
359.22
241.38
376.66
253.10
32.54
1.281
385.40
258.97
38.10
1.500
445.97
299.67
44.45
1.750
513.27
344.90
50.01
1.969
570.54
383.38
22”
559
119.80
80.5
130.44
87.65
172.83
116.14
214.84
144.37
235.79
158.44
256.23
172.18
276.54
185.83
24”
610
130.90
87.96
142.55
95.79
188.96
126.98
211.76
142.30
233.02
157.93
258.00
173.37
280.43
188.44
302.73
203.42
24.61
0.969
358.87
241.15
369.89
248.55
391.69
263.20
435.90
292.91
442.86
297.59
38.89
1.531
553.26
371.72
46.02
1.812
646.52
434.44
52.37
2.062
727.45
488.82
26”
660
154.42
103.77
XS-20
204.78
137.61
279.77
188.00
304.15
204.38
28”
711
166.52
118.90
220.91
148.44
301.98
202.92
328.35
220.64
30”
762
178.63
120.03
237.05
159.29
32”
813
190.74
128.17
253.18
170.13
34”
864
202.84
136.30
269.31
180.97
36”
914
214.71
144.28
285.13
191.60
38”
965
226.82
152.42
301.27
202.44
40”
1016
238.93
160.55
317.40
213.28
42”
1067
251.04
168.69
333.54
224.13
44”
1118
263.14
176.82
349.67
234.92
46”
1168
275.01
184.80
365.49
245.59
48”
1219
287.12
192.93
381.62
256.43
52”
1321
311.33
209.20
413.89
278.12
56”
1422
335.31
225.32
445.84
299.59
60”
1524
359.52
241.50
478.11
321.27
64”
1626
383.74
257.86
510.38
342.96
68”
1727
542.33
364.43
72”
1829
574.60
386.11
76”
1930
606.55
407.58
80”
2032
717.23
481.95
公称外径Nominal Diameter
外径Outside Diameter(mm)
厚度（mm）Nomial Wall Thickness
N.B
NPS
SCH5S
SCH10S
SCH40S
8
1/4″
13.72
3/8″
15
1/2″
21.34
3/4″
26.67
25
1″
33.40
32
1-1/4″
42.16
1-1/2″
48.26
50
2″
60.33
65
2-1/2″
73.03
3″
88.90
90
3-1/2″
101.60
4″
114.30
125
5″
141.30
3.40
150
6″
168.28
200
8″
219.08
3.76
250
10″
273.05
4.19
