People have tried to use water-soluble polymer as quenching medium in sealed box type multi-purpose... (more…)
Use an oil pump to pump out the old oil in the quenching oil tank , and the old oil in each pipeline... (more…)
phase transformation critical point of steel. Fine and uniform austenite grains are formed during he... (more…)
Add appropriate amount of salt and alkali into the water to immerse the high-temperature workpiece i... (more…)
quenching oil are used at high temperature for a long time, which accelerates the aging and deterior... (more…)
medium name clean water caustic soda aqueous solution & ldquo; sodium chloride aqueous solution Sodi... (more…)
according to these characteristics, people can not only select the type of polymer quenching medium... (more…)
Dangerous Characteristics: Powder and air can form an explosive mixture. When a certain concentratio... (more…)
Heat treatment quenching is widely used in modern machinery manufacturing industry. The important pa... (more…)
In the past, only different grades of mechanical oil were used as quenching oil in China. In the ear... (more…)