F - Mech Eng,Light,Heat,Weapons – 22 – B
Patent
F - Mech Eng,Light,Heat,Weapons
22
B
F22B 37/04 (2006.01) F22B 33/00 (2006.01)
Patent
CA 2609019
For a steam generator module or steam generator group of modules or a power station component composed essentially of an alloyed, in particular chromium--containing material and consisting, at least in part, in particular essentially of a material which has been treated by surface blasting (shot-peening/shot blasting), a solution is to be provided by means of which materials are made available which, with steam generators having outlet temperatures of >= 700°C in power station components, in particular steam generator modules, provide an adequate strength, in particular long-term rupture strength and an adequate corrosion resistance as well as oxidation resistance. This is attained in that it/they are composed, at least essentially, of a material of ferritic or martensitic or austenitic matrix having a mean chromium content <= 18% by weight, and at least a module surface or module group surface or component surface has been treated, at least in part, by surface blasting (shot-peening/shot blasting).
Becker Martin
Klauke Friedrich
Fetherstonhaugh & Co.
Hitachi Power Europe Gmbh
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