FIELD: machine building.
SUBSTANCE: mainly, part consists of alloyed chromium containing material. Surface of the part at least partially is treated by shot-blasting. Also the part mainly consists of material with ferrite structure of average contents of chromium not more, than 8 wt % or with martensite structure with average contents of chromium not more, than 14 wt %.
EFFECT: increased resistance to oxidation and increased corrosion resistance of part.
17 cl
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RU2331941C2 |
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RU2797987C1 |
