鍋爐、熱交換器用不銹鋼無縫鋼管（GB13296-1991）

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

×

×

×

1O.O

×

×

×

×

×

12.O

×

×

×

×

×

14.0

×

×

×

×

×

×

×

16.O

×

×

×

×

×

×

×

19.O

×

×

×

×

×

×

×

22.0

×

X

×

×

×

×

×