Causes and Countermeasures of Common Cracks

Crack characteristics and formation conditions: often occurs in the hardened parts, carbide and ribbons in the raw materials of serious segregation or non-inclusions longitudinally extending from the surface inward cracking, deep and long crack.

Solutions and preventive measures:
Elimination of carbide ribbons and segregation of raw materials, non-compliance of impurities;
Reasonable development of heat treatment process parameters;
Try to exclude human factors.