尺寸 

口径

壁厚

单重  (kgs)

 1/2"

21.3

2.77

0.1

3/4"

26.7

2.87

0.14

1"

33.4

3.38

0.28

1 1/4"

42.2

3.56

0.47

1 1/2"

48.3

3.68

67

2"

60.3

3.91

0.97

2 1/2"

73

5.16

1.83

3"

88.9

5.49

2.64

4"

114.3

6.02

4.46

5"

141.3

6.55

7.1

6"

168.3

7.11

10.5

8"

219.1

8.18

19.5

10"

273.1

9.27

33.4

12"

323.9

9.53

51.9

14"

355.6

9.53

67.7

16"

406.4

9.53

95.2

18"

457.2

9.53

135

20"

508

9.53

177

24"

609.6

9.53

275