Oil water double liquid quenching tank is a special quenching tank made by Chengchi industrial furnace according to the demand of double liquid quenching.... (more…)
nitrate salt as quenching medium has many advantages compared with quenching oil. only from the comp... (more…)
fine pearlite isothermal quenching is to isothermally austenitize the steel in a hot bath at about 5... (more…)