The grade of weld quality in the steel structure
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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