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Steel Pipes Dimensions - ANSI Schedule 40
Internal and external diameters, areas, weights, volumes and number of threads for schedule 40 steel pipes
Pipe Size (inches)
Diameter
(inches)
Nominal Thickness (inches)
Transverse Areas
(sq. inches)
Length of Pipe
(per sq. foot of)
Volume
(Cubic feet pr. foot)
Weight
Number of Threads per inch of Screw
External
Internal
External
Internal
Steel
External Surface
(feet)
Internal Surface (feet)
(pounds per foot. lb / ft)
(kg/m)
1/8
0.41
0.27
0.07
0.13
0.06
0.07
9.43
14.20
0.0004
0.24
0.36
27
¼
0.54
0.36
0.09
0.23
0.10
0.13
7.07
10.49
0.0007
0.42
0.63
18
3/8
0.68
0.49
0.09
0.36
0.19
0.17
5.66
7.75
0.0013
0.57
0.84
18
½
0.84
0.62
0.11
0.55
0.30
0.25
4.55
6.14
0.0021
0.85
1.26
18
¾
1.05
0.82
0.11
0.87
0.53
0.33
3.64
4.64
0.0037
1.13
1.68
14
1
1.32
1.05
0.13
1.36
0.86
0.49
2.90
3.64
0.0060
1.68
2.50
14
1 ¼
1.66
1.38
0.14
2.16
1.50
0.67
2.30
2.77
0.0104
2.27
3.38
11 ½
1 ½
1.90
1.61
0.15
2.84
2.04
0.80
2.01
2.37
0.0141
2.72
4.04
11 ½
2
2.38
2.07
0.15
4.43
3.36
1.08
1.61
1.85
0.0233
3.65
5.43
11 ½
2 ½
2.88
2.47
0.20
6.49
4.79
1.70
1.33
1.55
0.0333
5.79
8.62
11 ½
3
3.50
3.07
0.22
9.62
7.39
2.23
1.09
1.25
0.0513
7.58
11.27
8
3 ½
4.00
3.55
0.23
12.56
9.89
2.68
0.95
1.08
0.0687
9.11
13.56
8
4
4.50
4.03
0.24
15.90
12.73
3.17
0.85
0.95
0.0884
10.79
16.06
8
5
5.56
5.05
0.26
24.30
20.00
4.30
0.69
0.76
0.1389
14.61
21.74
8
6
6.63
6.07
0.28
34.47
28.89
5.58
0.58
0.63
0.2006
18.97
28.23
8
8
8.63
7.98
0.32
58.42
50.02
8.40
0.44
0.48
0.3552
28.55
42.49
8
10
10.75
10.02
0.37
90.76
78.85
11.90
0.36
0.38
0.5476
40.48
60.24
8
12
12.75
11.94
0.41
127.64
111.90
15.74
0.30
0.32
0.7763
53.60
79.77
8
14
14.00
13.13
0.44
153.94
135.30
18.64
0.27
0.28
0.9354
63.00
93.75
8
16
16.00
15.00
0.50
201.05
176.70
24.35
0.24
0.25
1.2230
78.00
116.08
8
18
18.00
16.88
0.56
254.85
224.00
30.85
0.21
0.23
1.5550
105.00
156.26
8
20
20.00
18.81
0.59
314.15
278.00
36.15
0.19
0.20
1.9260
123.00
183.05
8
24
24.00
22.63
0.69
452.40
402.10
50.30
0.16
0.17
2.7930
171.00
254.48
8
