焊缝宽度标准

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最小最大

1F720×12.018.721.0

2F630×10.016.418.5

3F530×13.019.922.3

4F480×11.017.519.7

5F426×13.019.922.3

6F426×9.515.817.8

7F377×11.017.519.7

8F377×9.515.817.8

9F377×8.013.616.3

10F325×1421.023.6

11F325×10.016.418.5

12F325×8.514.716.6

13F325×6.511.914.2

14F273×813.616.3

15F219×6.511.914.2

16F168×7.012.414.9

17F168×5.510.712.8

18F114×6.011.313.5

19F114×5.010.112.1

20F89×5.510.712.8

21F89×4.59.511.4

22F76×4.59.511.4

23F60×5.010.112.1

24F60×4.09.010.7

25F48×5.010.112.1

26F34×4.59.511.4

27F34×3.58.410.0

28F27×4.09.010.7

29F27×3.07.89.3

30F22×4.09.010.7宽度允许范围(mm)序号规格型号管道焊缝宽度范围标准

d≤8 b=1.5~2.5 mm θ=60°~70°d>8 b=2~3 mm θ=60°~65°