how thick is schedule 40 pipe

how thick is schedule 40 pipe

Summary

Schedule 40 steel pipe is a kind of hot sale steel tube in our market. But how thick is schedule 40 pipe,people often ask this question,today,i will give you a complet answer

how thick is schedule 40 pipe
Schedule 40 steel pipe is a kind of hot sale steel tube in our market. But how thick is schedule 40 pipe,people often ask this question,today,i will give you a complet answer
What Is Schedule 40 Pipe?

What Is Schedule 40 Pipe?

When referring to "Schedule 40 Pipe", it usually refers to a pipeline standard used in construction, industry, and water supply systems. Schedule 40 pipe is a thin walled steel pipe commonly used for low to medium pressure applications.

How Thick Is Schedule 40 Pipe?

Talk about thickness of schedule 40 pipe, It is necessary to mention the inside diameter of schedule 40 pipe and outer diameter of Schedule 40 pipes. Normally, the size specifications of the Schedule 40 pipe are shown in the following figure. You can refer to the size table of schedule 40 pipe dimensions to check and measure.(ANSI schedule 40 steel pipes dimensions Data sourced from website：https://www.engineeringtoolbox.com/ansi-steel-pipes-d_305.html)

Schedule 40 Steel Pipe Data

Pipe Size
(in)
Diameter
(in)（mm）
Nominal Thickness
(in)
Transverse Areas
(in2)(mm2)
Length of Pipe
(ft per sq. foot of surface)
Volume
(ft3/ft)
Weight
Number of Threads per inch of Screw
External
Internal 
External
Internal
Steel
External Surface
(ft)
Internal Surface
(ft)
(lb/ft)
(kg/m)
½
0.840
0.62
0.11
0.55
0.30
0.25
4.55
6.14
0.0021 
0.85
1.26
14
¾
1.050
0.82
0.11
0.87
0.53
0.33
3.64
4.64
0.0037
1.13
1.68
14
1
1.315
1.05
0.13
1.36
0.86
0.49
2.90
3.64
0.0060
1.68
2.50
11 ½
1 ¼
1.660
1.38
0.14
2.16
1.50
0.67
2.30
2.77
0.0104 
2.27
3.38
11 ½
1 ½
1.900
1.61
0.15 
2.84
2.04
0.80
2.01
2.37
0.0141
2.72
4.04
11 ½
2 
2.375
2.07
0.15
4.43
3.36
1.08
1.61
1.85
0.0233
3.65
5.43
11 ½
2 ½ 
2.875 
2.47
0.20
6.49
4.79
1.70
1.33
1.55
0.0333
5.79
8.62
8
3
3.500
3.07
0.22
9.62 
7.39
2.23 
1.09 
1.25
0.0513
7.58 
11.27 
8
3 ½ 
4.000 
3.55 
0.23 
12.56 
9.89
2.68
0.95
1.08
0.0687
9.11
13.56
8
4 
4.500
4.03
0.24
15.90
12.73
3.17
0.85
0.95
0.0884
10.79
16.06
8
5
5.563
5.05
0.26 
24.30
20.00
4.30
0.69
0.76
0.1389
14.61
21.74
8
6
6.625
6.07
0.28
34.47
28.89
5.58
0.58
0.63
0.2006
18.97
28.23
8
8
8.625
7.98
0.32
58.42
50.02
8.40
0.44
0.48
0.3552
28.55
42.49
8
10
10.750
10.02
0.37
90.76
78.85
11.90
0.36
0.38
0.5476
40.48
60.24
8
12
12.750
11.94
0.41
127.64
111.90
15.74
0.30
0.32
0.7763
53.60
79.77
8
14
14.000
13.13
0.44
153.94
135.30
18.64
0.27
0.28
0.9354
63.00
93.75
8
16 
16.000
15.00
0.50
201.05
176.70
24.35
0.24
0.25
1.2230
78.00
116.08
8
18
18.000
16.88
0.56
254.85
224.00
30.85
0.21
0.23
1.5550
105.00
156.26
8
20
20.000
18.81
0.59
314.15
278.00
36.15
0.19
0.20
1.9260
123.00
183.05
8
24 
24.000
22.63 
0.69
452.40
402.10
50.30
0.16
0.17
2.7930
171.00
254.48
8

Pipe Wall Thickness

In addition to the wall thickness of the Schedule 40 pipe, there are also some thickness tables for other pipes for your reference.（Data sourced from website：https://www.pipefittingweb.com/images/news/Pipe-Wall-Thickness.pdf）
Nominal
Pipe
Size
Inches
Outside
Diameter
Wall thickness: mm 
Figures based on austenitic steel
in
mm
SCH
10
SCH
20
SCH
30
SCH
STD
SCH
40
SCH
60
SCH
XS
SCH
80
SCH
100
SCH
120
SCH
140
SCH
160
SCH
XXS
SCH
5S
SCH
10S
SCH
40S
SCH
80S
1/8
0.405
10.29
1.24
1.73 
1.73 
2.41 
2.41
1.24
1.73
2.41
1/4
0.540
13.72
1.65 
1.85 
2.24
2.24
3.02
3.02
1.65
2.24
 3.02
3/8
0.675
17.15
1.65 
1.85
2.31
2.31
3.2
3.2
1.65
2.31
3.2
1/2
0.840
21.34
2.11
2.41 
2.77
2.77
3.73
3.73
4.78
7.47
1.65
2.11
2.77
3.73
3/4
1.050
26.67
2.11
2.41
2.87
2.87
3.91
3.91
5.56 
7.82
1.65
2.11
2.87
3.91
1
1.315
33.40
2.77 
2.90
3.38 
3.38
4.55 
4.55
6.35
9.09
1.65
2.77
3.38
4.55
1 1/4
1.660
42.16
2.77 
2.97
3.56
3.56 
4.85
4.85
6.35
9.7
1.65
2.77
3.56
4.85
1 1/2
1.900
48.26
2.77
3.18
3.68 
3.68 
5.08
5.08
7.14
10.15
1.65 
2.77
3.68
5.08
2
2.375
60.33
2.77 
3.18
3.91
3.91
5.54
5.54
8.74
11.07
1.65
2.77
3.91
5.54
2 1/2
2.875
73.03
3.05 
4.78
5.16
5.16
7.01
7.01
9.35
14.02
2.11
3.05
5.16
7.01
3
3.500
88.90
3.05
4.78
5.49
5.49
7.62 
7.62
11.13
15.24
2.11
3.05
5.49
7.62
3 1/2
4.000
101.60
3.05
4.78
5.74
5.74
8.08
8.08
-
-
2.11
3.05
5.74
8.08
4
4.500
114.30
3.05
4.78 
6.02
6.02
8.56
8.56
11.13
13.49
17.12
2.11 
3.05
6.02
8.56
5
5.563
141.30
3.4
6.55 
6.55
9.53
9.53
12.7
15.88
19.05
2.77
3.40
6.55
9.53
6
6.625
168.28
3.4
7.11 
7.11
10.97
10.97
14.27
18.26 
21.95
2.77 
3.40
7.11
10.97
8
8.625
219.08
3.76
6.35
7.04
8.18
8.18
10.31
12.7
12.7
 15.09
18.26
20.62
23.01 
22.23 
2.77
3.76
8.18
12.7
10
10.750
273.05
4.19 
6.35
7.80
9.27
9.27
12.7
12.7
15.09
18.26
21.44
25.4
28.58
25.4
3.4
4.19
9.27
12.7
12
12.750
323.85
4.57 
6.35
8.38
9.53
10.31
14.27
12.7
17.48
21.44
25.4
28.58
33.32 
25.4
3.96
4.57 
9.52
12.7
14
14.000
355.60
6.35
7.92
9.53
9.53
11.13
15.09
12.7
19.05
23.83
27.79
31.75
35.71
35.71
3.96
4.78
16
16.000
406.40
6.35
7.92
9.53
9.53
12.7
16.66
12.7
21.44
26.19
30.96
36.53
40.49
40.49
4.19 
4.78
18
18.000
457.20
6.35
7.92
11.13
9.53
14.27
19.05
12.7
23.88
29.36
34.93
39.67
 45.24
45.24
4.19
7.78
20
20.000
508.00
6.35
9.53
12.7
9.53
15.09 
20.62
12.7
26.19
 32.54
38.1
44.45
50.01
50.01
4.78 
5.54
22
22.000
558.80
6.35
9.53
12.7
9.53
-
22.23
12.7
28.58
34.93
41.28
47.63
53.98
53.97 
4.78
5.54
24
24.000
609.60
6.35
9.53
14.27
9.53
17.48
24.61
12.7
30.96
38.89
46.02
52.37
59.54
59.54 
5.54
6.35
26
26.000
660.00
6.35
12.7
-
9.53
-
12.7
28
28.000
711.20
6.35
12.7
15.88
9.53
-
12.7
30
30.000
762.00
6.35
12.7
15.88
9.53
-
12.7
6.35
7.92
32
32.000
812.80
6.35
12.7
15.88
9.53
17.48
12.7
34
34.000
863.60
6.35
12.7
15.88
9.53
17.48
12.7
36
36.000
914.40
6.35
12.7
15.88
9.53
19.05
12.7
38
38.000
965.20
9.53
12.7
40
40.000
1016.00
9.53
12.7
42
42.000
1066.80
9.53
12.7
44
44.000
1117.60
9.53
12.7
46
46.000
1168.40
9.53
12.7
48
48.000
1219.20
9.53
12.7
52
52.000
1321.00
9.53
12.7
56
56.000
1422.00
9.53
12.7
60
60.000
1524.00
9.53
12.7
72
72.000
1829.00
9.53
12.7