What is magnetic flaw detection and ultrasonic flaw detection?
Place the test piece in the powerful magnetic field of the flaw detector to magnetize it, and then apply the suspension of iron oxide powder mixed with gasoline or alcohol to the surface of the test piece.
What is the significance of quality management?
Improve product after-sales service; Improve market acceptance; Reduce operating cost; Reduce operating losses; Reduce on-site maintenance costs; Reduce liability accidents.
What is a non-metallic inclusion? Where is the main source?
Due to the presence of inclusions, the continuity of the steel matrix is destroyed, resulting in unevenness of the steel structure, affecting the mechanical properties and processing properties of the steel.
In the slag splashing process, what are the problems in the maintenance of the bottom air supply components?
Slag composition adjustment during slag splashing process; Selection of process parameters for reasonable slag splashing operation controlling the thickness of the covering slag layer;
What are the advantages of the sub-lance device?
There are many functions. The external probe type structure can be equipped with probes with different functions to achieve different functions of the probe to achieve different detection purposes;
Briefly describe the erosion of various parts of the converter lining
The molten pool and the bottom of the furnace: in contact with the molten metal liquid, the oxygen flow impacts the quenching and rapid heat around the ventilating brick;
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