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Tags for: qualified

Causes of unqualified hardness and preventive measures against unqualified hardness

Causes of unqualified hardness and preventive measures against unqualified hardness

n the practice of heat treatment production, it will produce various defects, such as cracking, severe deformation, unqualified hardness and unqualified performance, etc. Different defects have the same causes, and the correspondi...... (more…)