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inch

mm

mm

mm

MPa

psi

MPa

psi

mm

kg/m

metres

6

1/4

6.4

12.7

17.5

40.0

5800

160.0

22840

100

0.42

100

8

5/16

7.9

14.3

19.1

36.0

5250

140.0

20000

114

0.51

100

10

3/8

9.5

16.7

21.4

33.1

4800

132.0

18840

127

0.60

100

13

1/2

12.7

19.8

24.6

27.6

4000

110.0

15720

178

0.74

100

16

5/8

15.9

23.0

27.8

25.0

3630

100.0

14280

200

0.86

60

19

3/4

19.0

27.0

31.8

21.5

3120

85.0

12280

240

1.04

60

25

1

25.4

34.9

39.7

16.5

2400

65.0

9420

300

1.42

50

32

1 1/4

31.8

44.5

50.8

12.5

1820

50.0

7140

419

2.23

20

38

1 1/2

38.1

50.8

57.2

9.0

1310

36.0

5140

500

2.74

20

51

2

50.8

63.5

69.8

8.0

1160

32.0

4560

630

3.50

20


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