L -H H tempering method. As early as 1967, Glear et al. The application in our country is in recent... (more…)
The test process includes sampling, calibration, adjusting the test temperature, testing and other s... (more…)
teel is obtained after quenching martensite or martensite + a small amount of residual austenite, qu... (more…)
Technical requirements for each component of the measuring and setting system should be able to rece... (more…)
heat pipe air cooler is mainly used for power supply and coil system cooling of industrial electric... (more…)
Potentiometers are used to check the gauge length of the temperature and speed axes of the recorder... (more…)
The measurement system shall be capable of providing a permanent record of the cooling performance o... (more…)
flame quenching is the 1 kind of acetylene 1 oxygen flame (maximum temperature of 3100 ℃) or gas 1 o... (more…)
The time for the probe to move from the furnace to the container should not exceed 2 seconds. The re... (more…)
quenching medium cooling performance heating equipment consists of heating furnace, temperature cont... (more…)