Nominal Pipe Size
inch

Outside Diameter
mm

Nominal Wall Thickness
mm

SCH5S

SCH10S

SCH40S

SCH80S

1/8

10.3

1.25

1.73

2.41

1/4

13.7

1.65

2.24

3.02

3/8

17.1

1.65

2.31

3.20

1/2

21.3

1.65

2.11

2.77

3.73

3/4

26.7

1.65

2.11

2.87

3.91

1

33.4

1.65

2.77

3.38

4.55

1 1/4

42.2

1.65

2.77

3.56

4.85

1 1/2

48.3

1.65

2.77

3.68

5.08

2

60.3

1.65

2.77

3.91

5.54

2 1/2

73.0

2.11

3.05

5.16

7.01

3

88.9

2.11

3.05

5.49

7.62

3 1/2

101.6

2.11

3.05

5.74

8.08

4

114.3

2.11

3.05

6.02

8.56

5

141.3

2.77

3.40

6.55

9.53

6

168.3

2.77

3.40

7.11

10.97

8

219.1

2.77

3.76

8.18

12.70

10

273.1

3.40

4.19

9.27

12.70

12

323.9

3.96

4.57

9.53

12.70

14

355.6

3.96

4.78

9.53

12.70

16

406.4

4.19

4.78

9.53

12.70

18

457.2

4.19

4.78

9.53

12.70

20

508.0

4.78

5.54

9.53

12.70

22

558.8

4.78

5.54

24

609.6

5.54

6.35

9.53

12.70

30

762.0

6.35

7.92