was quenched with production site screws, and the material was 45 steel. Use No. 8 iron wire to pene... (more…)
vacuum heat treatment technology is a new type of heat treatment technology developed in recent year... (more…)
Trichloride solution quenching medium is a solution prepared from CaCl2, MgCI2 and ZnCl2 salts. Its... (more…)
The best use temperature of water glass aqueous solution is 30~65 ℃, which can be expanded to 20~80... (more…)
Use Φ20mm silver balls to measure generally still water and constant magnetic field (magnetic field... (more…)
the quenching oil tank is used for hydraulic rapid quenching, which can better control the oil tempe... (more…)
quenching heating temperature of quenching furnace quenching process is mainly selected according to... (more…)
the well furnace quenches the long workpiece, the top of the workpiece lifted out of the well furnac... (more…)
alcium chloride aqueous solution quenching technology is most suitable for structural steel and low... (more…)
The section cycle of the part changes abruptly, and it is easy to concentrate stress. The original d... (more…)