阶次/壁厚

1.6 mm

1.8 mm

2 mm

2.2 mm

2.4 mm

1

531.5

536.62

541.77

546.95

552.15

2

531.5

536.63

541.77

546.95

552.15

3

1417

1429.9

1442.8

1455.8

1468.8

4

1417

1429.9

1442.8

1455.8

1468.8

5

2667.1

2689.7

2712.4

2735.3

2758.2

6

2667.1

2689.7

2712.4

2735.3

2758.2

7

3122.8

3122.8

3122.8

3122.8

3122.8