What does spiral steel pipe number stand for?
Every Premier Big Diameter 3400mm SSAW Spiral Steel Pipe is cut down, the corresponding number should be written. When the quality inspector inspects the spiral steel pipe, only the pipe number should be recorded. All the data of the spiral steel pipe inspection should be written after the corresponding pipe number, no matter the spiral steel pipe later. It took many years to weld pipes. As long as the pipe number was traced back to the spiral pipe manufacturer, we can find all the inspection data of the corresponding pipe number according to the pipe number inspection record, including flaw detection record, water pressure record, repairing record, geometric dimension inspection record, appearance record, etc.
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