HARDENING MEDIUM Russian patent published in 2010 - IPC C21D1/60

Abstract RU 2403292 C2

FIELD: metallurgy.

SUBSTANCE: invention refers to hardening media used at metal thermal treatment, and namely to hardening media on the basis of water-soluble polymers. Hardening medium has the following composition, wt %: partial calcic salt of polyacrylic acid - 4-6, partial calcic salt of polymethacrylic acid - 2-4, water - the rest.

EFFECT: hardening medium is more effective in comparison to known ones as to cooling capacity at thermal metal treatment.

9 ex

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RU 2 403 292 C2

Authors

Podkujko Petr Alekseevich

Tsarik Ljudmila Jakovlevna

Dates

2010-11-10—Published

2007-06-20—Filed