阶次/壁厚

1.6 mm

1.8 mm

2 mm

2.2 mm

2.4 mm

1

438.95

445.18

450.22

455.13

459.99

2

1380.1

1398.6

1414

1428.9

1443.7

3

1473.8

1493.3

1508.9

1524.1

1539

4

2163.1

2199

2226.3

2252.4

2277.6

5

2377.3

2400.7

2419.9

2439.1

2457.6

6

3892.5

3946.6

3985.5

4021.9

4055.2

7

4045.3

4112.6

4158.6

4200.9

4241.7

8

4234

4242.6

4248.8

4254.5

4261.5

9

4787.5

4904

4968.2

5020.9

5072.8

10

5499.1

5519

5532.8

5545.7

5560.7