鍋爐、熱交換器用不銹鋼無縫鋼管（GBl3296-1991）

壁厚mm 外徑／mm

1.2

1.5

2.0

2.2

2.5

2.8

3.0

3.2

3.5

4.0

4.5

5.0

5.5

6.0

6.5

7.0

7.5

8.0

9.0

10.0

11.0

12.0

13.0

8.O

×

×

×

lO.O

×

×

×

×

×

12.O

×

×

×

×

×

14.0

×

×

×

×

×

×

×

16.O

×

×

×

×

×

×

×

19.O

×

×

×

×

×

×

×

22.0

×

X

×

×

×

×

×

×

25.O

×

×

×

×

×

×

×

×

×

27.0

×

×

×

×

×

×

×

×

×

×

32.0

×

×

×

×

×

×

×

×

×

×

×

34.0

×

×

×

×

×

×

×

×

×

×

×

38.O

×

×

×

×

×

×

×

×

×

×

×

×

42.O

×

×

×

×

×

×

×

×

×

×

×

×

45.0

×

×

×

×

×

×

×

×

×

×

×

×

×

48.0

×

×

×

×

×

×

×

×

×

×

×

×

×

×

51.0

×

×

×

×

×

×

×

×

×

×

×

×

×

×

54.0

×

×

X

×

×

×

×

×

×

×

×

×

×

×

×

×

×

57.0

X

×

×

×

×

×

×

×

×

×

×

×

×

X

×

×

×

60.O

×

×

×

×

×

×

×

×

×

×

×

×

×

×

×

×

×