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inch

mm

mm

mm

MPa

psi

MPa

psi

mm

kg/m

metres

5

3/16

4.8

11.1

13.4

41.4

6000

165

23720

89

0.32

100

6

1/4

6.4

12.7

15.0

40.0

5800

160

22840

102

0.36

100

8

5/16

7.9

14.3

16.6

36.0

5250

140

20000

114

0.45

100

10

3/8

9.5

16.7

19.0

33.1

4800

132

18840

127

0.54

100

13

1/2

12.7

19.8

22.2

27.6

4000

110

15720

178

0.68

60

16

5/8

15.9

23

25.4

25.0

3630

100

14280

203

0.8

60

19

3/4

19.0

27

29.3

21.5

3120

85

12280

241

0.94

60

25

1

25.4

34.9

38.0

16.5

2400

65

9420

305

1.35

60

32

1 1/4

31.8

44.5

48.3

12.5

1820

50

7140

419

2.15

20

38

1 1/2

38.1

50.8

54.6

9.0

1310

36

5140

508

2.65

20

51

2

50.8

63.5

67.3

8.0

1160

32

4560

635

3.42

20

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