Quenching
Quenching, metal and glass heat treatment process. The alloy products or glass heated to a certain temperature, then in minerals containing water, oil or air in the rapid cooling, generally used to improve the hardness and strength of the alloy. Quenching commonly used in carbon steel ▪ hypoeutectoid steel to be heated to ac3 points above 30-50 degrees ▪ Eutectic steel to be heated to ac1 point above 30-50 degrees after heating a lot of water using a rapid cooling, can be high hardness of steel Continental metal materials processing and other related industry professionals are read as "dipped in fire." ...