Seamless and Welded Steel Pipes -

 
Nominal Size Outside Daimeter Wall Thickness Class Sched No. Plain End
Nominal Weight Butt Welded Grade A Grade B
in in mm in mm lb/ft kg/ft kg/m psi kg/cm2 psi kg/cm2 psi kg/cm2
18 18.000 457.2 .250
.312
.375
.438
.500
.562
.750
.938
1.156
1.375
1.562
1.781
 6.4
7.9
9.5
11.1
12.7
14.3
19.0
23.8
29.4
34.9
39.7
45.2		 ...
...
std
...
xs
...
...
...
...
...
...		 10
20
...
30
...
40
60
80
100
120
140
160
47.39
58.94
70.59
82.15
93.45
104.67
138.17
170.92
207.96
244.96
274.22
308.50
21.50
26.73
32.02
37.26
42.39
47.48
62.67
77.53
94.33
110.74
124.38
139.93		 70.52
87.71
105.05
122.25
139.07
155.77
205.62
254.36
309.48
363.32
408.08
459.10
...
...
...
...
...
...
...
...
...
...
...
...

...
...
...
...
...
...
...
...
...
...
...
...

 500
600
750
900
1 000
1 000
1 500
1 900
2 300
2 800
2 800
2 800
35.2
42.2
52.7
63.3
70.3
77.3
105.3
133.6
161.7
196.9
196.9
196.9
600
750
900
1 000
1 200
1 300
1 800
2 200
2 700
2 800
2 800
2 800		 42.2
52.7
63.3
70.3
84.4
91.4
126.6
154.7
189.8
196.9
196.9
196.9
20 20.000 508.0

.250
.375
.500
.594
.812
1.031
1.281
1.500
1.750
1.969

6.4
9.5
12.7
15.1
20.6
26.2
32.5
38.1
44.4
50.0

...
std
xs
...
...
...
..
..
...
...S

10
20
30
40
60
80
100
120
140
160		 52.73
78.60
104.13
123.11
166.40
208.87
256.10
296.37
341.10
379.17		 23.92
35.65
47.23
55.84
75.48
94.74
116.16
134.43
154.72
171.99		 78.47
116.97
154.96
183.21
247.63
310.83
381.12
441.05
507.61
564.27		     450
700
900
1 100
1 500
1 900
2 300
2 700
2 800
2 800		 31.6
49.2
63.3
77.3
105.5
133.6
161.7
189.8
196.9
196.9

500
800
1 000
1 200
1 700
2 200
2 700
2 800
2 800
2 800

35.2
56.2
70.2
84.4
119.5
154.7
189.8
196.9
196.9
196.9
24 24.00 609.6 .250
..375
.500
.562
.688
.938
.969
1. 219
1.531
1.812
2.062
2.344		 6.4
9.5
12.7
14.3
17.5
23.8
24.6
31.0
38.9
46.0
52.4
59.5		 ...
std
xs
...
...
...
...
...
...
...
...
...		 10
20
...
30
40
...
60
90
100
120
140
160		 63.41
94.62
125.49
140.68
171.29
231.03
238.85
296.53
367.39
429.39
483.12
542.14

28.76
42.92
56.92
63.81
77.70
104.79
108.34
134.53
166.65
194.77
219.14
245.91

94.36
140.81
186.75
209.35
254.91
343.81
355.45
441.36
546.74
639.00
718.96
806.79		     400
550
750
850
1 000
...
1 500
1 800
2 300
2 700
2 800
2 800 		28.1
38.7
52.7
59.8
70.3
...
105.5
126.6
161.7
189.8
196.9
196.9		 450
650
900
1 000
1 200
...
1 700
2 100
2 700
2 800
2 800
2 800
31.6
45.7
63.3
70.3
84.4
...
119.5
147.7
189.8
196.9
196.9
196.9
 
 
 
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