公稱外徑（mm）

公稱壁厚（mm）

0.63

0.8

1.0

1.25

1.6

2.0

2.5

20

-

-

-

-

-

2.0

2.3

25

-

-

-

-

2.0

2.3

2.8

32

-

-

-

2.0

2.4

2.9

3.6

40

-

-

2.0

2.4

3.0

3.7

4.5

50

-

2.0

2.4

3.0

3.7

4.6

5.6

63

2.0

2.5

3.0

3.8

4.7

5.8

7.1

75

2.3

2.9

3.6

4.5

5.6

6.9

8.4

90

2.8

3.5

4.3

5.4

6.7

8.2

10.1

110

2.7

3.4

4.2

5.3

6.6

8.1

10.0

125

3.1

3.9

4.8

6.0

7.4

9.2

11.4

140

3.5

4.3

5.4

6.7

8.3

10.3

12.7

160

4.0

4.9

6.2

7.7

9.5

11.8

14.6

180

4.4

5.5

6.9

8.6

10.7

13.3

16.4

200

4.9

6.2

7.7

9.6

11.9

14.7

18.2

225

5.5

6.9

8.6

10.8

13.4

16.6

-

250

6.2

7.7

9.6

11.9

14.8

18.4

-

280

6.9

8.6

10.7

13.4

16.6

20.6

-

315

7.7

9.7

12.1

15.0

18.7

23.2

-

355

8.7

10.9

13.6

16.9

21.1

26.1

-

400

9.8

12.3

15.3

19.1

23.7

29.4

-

450

11.0

13.8

17.2

21.5

26.7

33.1

-

500

12.3

15.3

19.1

23.9

29.7

36.8

-

560

13.7

17.2

21.4

26.7

-

-

-

630

15.4

19.3

24.1

30.0

-

-

-