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Yingli Tips: Quality Inspection Methods for Elbow Fittings
Time:2022-11-29    Author:yingli

1. Pipe fitting appearance inspection: Generally, it is mainly observed by naked eye, sometimes with 5-20 times magnifying glass. Used to find surface defects of welded elbows.
2. Non-destructive testing: detection of slag inclusion, pores, cracks and other defects hidden in the weld. At present, it is common to use x - ray inspection, ultrasonic inspection and magnetic inspection.
3. Hydrostatic test and air pressure test: for the pressure container requiring tightness, it can detect the tightness and pressure capacity of the weld.