19.12.2018

NEW TREATMENT FOR THE CYLINDERS OF THE HIGH PRESSURE STAGE

The steel cylinders of the last stage of the high pressure pumping units are now subjected to the new treatment.

This is a process of controlled carbon diffusion, that happens at a pressure of 5 to 9 mbar, without oxygen, at a temperature between 930° C and 1.050° C. Next step is the tempering performed in high pressure gas.

The treatment provides the cylinders of very high mechanical performances and longer duration. 

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