H values of several commonly used quenching media Flare media water soapy water Vacuum... (more…)
The calculation method of h value is: for the stepped cylindrical sample (variable diameter sample),... (more…)
Quenching intensity (expressed by H) is also called cooling intensity. The quenching intensity metho... (more…)
In recent years, graded quenching has been further developed, not only graded quenching above MS poi... (more…)
Quenching medium selection principles and steps are as follows.For steel grades with high carbon con... (more…)
The first index of water-soluble quenching medium is to reduce the cooling rate in the low temperatu... (more…)
ontents of test report on cooling performance of quenching medium complete evaluation of quenching o... (more…)
According to the plotted functional relationship between cooling rate and temperature, the following... (more…)
Cooling curvePlot the temperature-time and temperature-cooling rate as a function, as shown in the f... (more…)
The test process includes sampling, calibration, adjusting the test temperature, testing and other s... (more…)