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LPG storage tank quality inspection
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LPG storage tank quality inspection

4.6 When the sampling inspection finds no weld defects that need to be repaired, the batch of welds represented by the sampling shall be considered as qualified; The original method shall be used f...
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4.6 When the sampling inspection finds no weld defects that need to be repaired, the batch of welds represented by the sampling shall be considered as qualified; The original method shall be used for further inspection according to the following regulations:

 

4.6.1 For each unqualified weld, two welds of the same batch welded by the welder shall be inspected again.

 

 

 

 

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