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The grade of weld quality in the steel structure
Release time:2017-05-15 17:23:16 | Views：
The grade of weld quality in the steel structure
 
In the steel structure manufacturing,Weld quality is divided into one or two, three and so on 3 grades, according to drawing requirements, of which the first grade weld quality grade is the highest level:
Primary ---100% must be qualified by flaw detector;
Second grade--- random inspection 20%, qualified by flaw detector;
Second grade - qualified for visual inspection.
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