Patent ID: 8721996
Filing Date: 2014-05-13
Classification: B01J,C07C,C22C,C23C,Y02P,Y02T

Abstract:
1. A shell E which encloses an interior I and has at least one first orifice O1 for feeding at least one gas stream into the interior I and at least one second orifice O2 for withdrawing a gas stream fed to the interior I beforehand via the at least one first orifice O1 from the interior I, the surface of the shell E, on its side in contact with the interior I, being manufactured at least partly, in a layer thickness d of at least 1 mm, from a steel S which has the following elemental composition: from 18 to 30% by weight of Cr, from 9 to 36% by weight of Ni, from 1 to 3% by weight of Si, from 0.1 to 0.3% by weight of N, from greater than 0 to 0.15% by weight of C, from ≧0 to 4% by weight of Mn, from ≧0 to 4% by weight of Al, from ≧0 to 0.05% by weight of P, from ≧0 to 0.05% by weight of S, and from >0 to 0.1% by weight of one or more rare earth metals, and, apart from these, Fe and impurities resulting from production, the percentages each being based on the total weight.