Welded and Seamless Pipe
| Standard Sizes of Welded and Seamless Pipe | |||||||||||
| Size | Sch 5 | Sch 10 | Sch 40 | Sch 80 | Sch 160 | ||||||
|
Nominal Bore
|
O/D
|
Wall
|
I/D
|
Wall
|
I/D
|
Wall
|
I/D
|
Wall
|
I/D
|
Wall
|
I/D
|
|
(Inches)
|
(mm)
|
(mm)
|
(mm)
|
(mm)
|
(mm)
|
(mm)
|
(mm)
|
(mm)
|
(mm)
|
(mm)
|
(mm)
|
|
1/4
|
13.72
|
1.65
|
10.42
|
2.24
|
9.24
|
3.02
|
7.68
|
||||
|
3/8
|
17.15
|
1.65
|
13.85
|
2.31
|
12.53
|
3.20
|
10.75
|
||||
|
1/2
|
21.34
|
1.65
|
18.04
|
2.11
|
17.12
|
2.77
|
15.80
|
3.73
|
13.88
|
4.75
|
11.84
|
|
3/4
|
26.67
|
1.65
|
23.37
|
2.11
|
22.45
|
2.87
|
20.93
|
3.91
|
18.85
|
5.54
|
15.59
|
|
1
|
33.40
|
1.65
|
30.10
|
2.77
|
27.86
|
3.38
|
26.64
|
4.55
|
24.30
|
6.35
|
20.70
|
|
1 1/4
|
42.16
|
1.65
|
38.86
|
2.77
|
36.62
|
3.56
|
35.04
|
4.85
|
32.46
|
6.35
|
29.46
|
|
1 1/2
|
48.26
|
1.65
|
44.96
|
2.77
|
42.72
|
3.68
|
40.90
|
5.08
|
38.10
|
7.14
|
33.98
|
|
2
|
60.33
|
1.65
|
57.03
|
2.77
|
54.79
|
3.91
|
52.51
|
5.54
|
49.25
|
8.71
|
42.91
|
|
2 1/2
|
73.03
|
2.11
|
68.81
|
3.05
|
66.93
|
5.16
|
62.71
|
7.01
|
59.01
|
||
|
3
|
88.90
|
2.11
|
84.68
|
3.05
|
82.80
|
5.49
|
77.92
|
7.62
|
73.66
|
11.13
|
66.64
|
|
31/2
|
101.60
|
2.11
|
97.38
|
3.05
|
95.50
|
5.74
|
90.12
|
8.08
|
85.44
|
||
|
4
|
114.30
|
2.11
|
110.08
|
3.05
|
108.20
|
6.02
|
102.26
|
8.56
|
97.18
|
13.49
|
87.32
|
|
5
|
141.30
|
2.77
|
135.76
|
3.40
|
134.50
|
6.55
|
128.20
|
9.53
|
122.24
|
||
|
6
|
168.28
|
2.77
|
162.74
|
3.40
|
161.48
|
7.11
|
154.06
|
10.97
|
146.34
|
18.24
|
131.80
|
|
8
|
219.08
|
2.77
|
213.54
|
3.76
|
211.56
|
8.18
|
202.72
|
12.70
|
193.68
|
||
|
10
|
273.05
|
3.40
|
266.25
|
4.19
|
264.67
|
9.27
|
254.51
|
12.70
|
247.65
|
||
|
12
|
323.85
|
3.96
|
315.93
|
4.57
|
314.71
|
9.53
|
304.79
|
12.70
|
298.45
|
||
|
14
|
355.60
|
6.35
|
342.90
|
||||||||
|
16
|
406.40
|
6.35
|
393.70
|
||||||||
|
|
Sch 5 s | Sch 40 s | Sch 80 s | ||||||||
| Seamless Tube - Standard Metric Sizes | Seamless Tube - Standard Imperial Sizes | |||||||||||||||||
|
Outside Diameter
|
Wall Thickness | Outside Diameter | Wall Thickness | |||||||||||||||
|
1.0mm
|
1.5mm
|
2.0mm
|
2.5mm
|
3.0mm
|
22g
|
20g
|
18g
|
16g
|
14g
|
12g
|
10g
|
3/16"
|
1/4"
|
3/8"
|
1/2"
|
|||
|
6mm
|
 |
|
1/4"
|
|
|
|
|
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|
8mm
|
|
|
5/16"
|
|
|
|
|
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|
10mm
|
|
|
|
3/8"
|
|
|
|
|
|
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|
12mm
|
|
|
|
1/2"
|
|
|
|
|
|
|
|
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15mm
|
|
|
|
5/8"
|
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16mm
|
|
|
|
|
3/4"
|
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|
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|
20mm
|
|
|
|
|
7/8"
|
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|
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25mm
|
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|
|
1"
|
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|
1 1/8"
|
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1 1/4"
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1 3/8"
|
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1 1/2"
|
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1 5/8"
|
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1 3/4"
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2"
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2 1/4"
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2 1/2"
|
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2 3/4"
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3"
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3 1/2"
|
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4"
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6"
|
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