Method of making a gas pressure vessel of austenitic stainless steel by cryogenic forming

摘要

The production of high-strength pressure gas container (1) from austenitic steels by Kryoverformung is preferably carried out with liquid nitrogen as a coolant and as a pressure medium. In addition to many advantages, this method has some drawbacks, including the field of security. However, the use of a different from the coolant pressure medium is because of the risk of Auskondensierens of ingredients or freezing with undesirable heating of the gas cylinder is also very disadvantageous. In order to avoid these disadvantages, as different from the coolant pressure medium trichlorofluoromethane (CFCl₃) is used.