API
Line Pipes / General Data (Per American Standard
Designation, 1970)
Seamless and Welded Steel Pipes |
|
Nom
Size
|
O.D. |
Schedule
20 |
Schedule
20 |
Schedule
30 |
Standard
(P.E.) |
Schedule
40 |
Schedule
60 |
Extra Strong |
Schedule
80 |
Schedule
100 |
Schedule
120 |
Schedule
140 |
Schedule
160 |
XX Strong |
| Wall |
Lbs/Ft |
Wall |
Lbs/Ft |
Wall |
Lbs/Ft |
Wall |
Lbs/Ft |
Wall |
Lbs/Ft |
Wall |
Lbs/Ft |
Wall |
Lbs/Ft |
Wall |
Lbs/Ft |
Wall |
Lbs/Ft |
Wall |
Lbs/Ft |
Wall |
Lbs/Ft |
Wall |
Lbs/Ft |
Wall |
Lbs/Ft |
1/8
1/4
3/8
1/2
3/4 |
0.405
0.540
0.657
0.840
1.050 |
|
|
|
|
|
|
.068
.088
.091
.109
.113 |
.24
.42
.57
.85
1.13 |
.068
.068
.091
.109
.113 |
.24
.42
.57
.85
1.13 |
|
|
.095
.119
.126
.147
.154 |
.31
.54
.74
1.09
1.47 |
.095
.119
.126
.147
.154 |
.31
.54
.74
1.09
1.47 |
|
|
|
|
|
|
.188
.219 |
1.31
1.94 |
.294
.308 |
1.71
2.44 |
1
1 1/4
1 1/2 |
1.315
1.660
1.900 |
|
|
|
|
|
|
.133
.140
.145 |
1.68
2.27
2.72 |
.133
.140
.145 |
1.68
2.27
2.72 |
|
|
.179
.191
.200 |
2.17
3.00
3.63 |
.179
.191
.200 |
2.17
3.00
3.63 |
|
|
|
|
|
|
.250
.250
.281 |
2.84
3.76
4.86 |
.358
.382
.400 |
3.66
5.21
6.41 |
2
2 1/2 |
2.375
2.875 |
|
|
|
|
|
|
.154
.203 |
3.65
5.79 |
.154
.203 |
3.65
5.79 |
|
|
.218
.276 |
5.02
7.66 |
.218
.276 |
5.02
7.66 |
|
|
|
|
|
|
.344
.375 |
7.46
10.01 |
.436
.552 |
9.03
13.69 |
3
3 1/2 |
3.500
4.000 |
|
|
|
|
|
|
.216
.226 |
7.58
9.11 |
.216
.266 |
7.58
9.11 |
|
|
.300
.318 |
10.25
12.50 |
.300
.318 |
10.25
12.50 |
|
|
|
|
|
|
.438 |
14.32 |
.600
.636 |
18.58
22.85 |
4
5
6 |
4.500
5.563
6.625 |
|
|
|
|
|
|
.237
.258
.280 |
10.79
14.62
18.97 |
.237
.258
.280 |
10.79
14.62
18.97 |
|
|
.337
.375
.432 |
14.98
20.78
28.57 |
.337
.375
.432 |
14.98
20.78
28.57 |
|
|
.438
.500
.562 |
19.00
27.04
36.39 |
|
|
.531
.625
.719 |
22.51
32.96
45.35 |
.674
.750
.864 |
27.54
38.55
53.16 |
| 8 |
8.625 |
|
|
.250 |
22.36 |
.277 |
24.70 |
.322 |
28.55 |
.322 |
28.55 |
.406 |
35.64 |
.500 |
43.39 |
.500 |
43.39 |
.594 |
50.95 |
.719 |
60.71 |
.812 |
67.76 |
.906 |
74.69 |
.875 |
72.42 |
| 10 |
10.750 |
|
|
.250 |
28.04 |
.307 |
34.24 |
.365 |
40.48 |
.365 |
40.48 |
.500 |
54.74 |
.500 |
54.74 |
.594 |
64.43 |
.719 |
77.03 |
.844 |
89.29 |
1.000 |
104.13 |
1.125 |
115.64 |
1.000 |
104.13 |
| 12 |
12.750 |
|
|
.250 |
33.38 |
.330 |
43.77 |
.375 |
49.56 |
.406 |
53.52 |
.562 |
73.15 |
.500 |
65.42 |
.688 |
88.63 |
.844 |
107.32 |
1.000 |
125.49 |
1.125 |
139.67 |
1.312 |
160.27 |
1.000 |
125.49 |
14
16
18 |
14.000
16.000
18.000 |
.250
.250
.250 |
36.71
42.05
47.39 |
.312
.312
.312 |
45.61
52.27
58.94 |
.375
.375
.438 |
54.57
62.58
82.15 |
.375
.375
.375 |
54.57
62.58
82.15 |
.438
.500
.562 |
63.44
62.58
70.59 |
.594
.656
.750 |
85.05
107.50
138.17 |
.500
.500
.500 |
72.09
82.77
93.45 |
.750
.844
.938 |
106.13
136.61
170.92 |
.938
1.031
1.156 |
130.85
164.82
207.96 |
1.094
1.219
1.375 |
150.79
192.43
244.14 |
1.250
1.438
1.562 |
170.21
223.64
274.22 |
1.406
1.594
1.781 |
189.11
245.25
308.55 |
|
|
20
22
24
26
28 |
24.000
22.000
24.000
26.000
28.000 |
.250
.250
.250
.312
.312 |
52.73
58.07
63.41
85.60
92.41 |
.375
.375
.375
.500
.500 |
78.60
86.61
94.62
136.17
146.85 |
.500
.500
.562
.625 |
104.13
114.81
140.68
182.73 |
.375
.375
.375
.375
.375 |
78.60
86.61
94.62
102.63
110.64 |
.594
.688
|
123.11
171.29
|
.812
.875
.969
|
166.40
197.41
238.35
|
.500
.500
.500
.500
.500 |
104.13
114.81
125.49
136.17
146.83 |
1.031
1.125
1.219
|
208.87
250.81
296.53
|
1.281
1.375
1.531
|
256.19
302.88
367.45
|
1.500
1.625
1.812
|
296.37
353.61
429.50
|
1.750
1.875
2.062
|
341.10
403.01
483.24
|
1.969
2.125
2.344
|
379.14
451.07
542.09
|
|
|
30
32
34
36 |
30.000
32.000
34.000
36.000 |
.312
.312
.312
.312 |
98.93
105.59
112.25
118.92 |
.500
.500
.500
.500 |
157.53
168.21
178.89
189.57 |
.625
.625
.625
.625 |
196.08
209.43
222.73
236.13 |
.375
.375
.375
.375 |
118.65
126.66
134.67
142.68 |
.688
.688
.750 |
229.92
244.77
282.35 |
|
|
.500
.500
.500
.500 |
157.53
168.21
178.89
189.57 |
|
|
|
|
|
|
|
|
|
|
|
|