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?
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 | |||||||||||||||
