Abstract
1. Alloying of steel 12Kh13 with manganese or nickel makes it possible to reduce the quantity of δ ferrite in the structure, increase the strength, and use this steel in the hardened or low-tempered condition. 2. Chromium-manganese martensitic steels containing 0.1% C have higher corrosion resistance in neutral and acid media than steel 20Kh13. 3. Plastic deformation (before aging or in the process of loading at elevated temperatures) intensifies intermetallic hardening of steel 10Kh13N4MYu. The incomplete decomposition of the solid solution during aging and its occurrence in the process of loading (operation) are reserve sources of heat resistance of precipitation-hardening steels. 4. Martensitic steels 10Kh13G3D2M, 10Kh13N4D2M, and 10Kh13N4MYu can be used to replace highstrength corrosion-resistant steels containing a substantial quantity of nickel and either scarce alloying elements.
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