METHOD OF THERMOCYCLIC WORKING CARBON TOOL STEEL Russian patent published in 1997 - IPC

Abstract RU 2090629 C1

FIELD: metallurgy. SUBSTANCE: method involves multiple heating carbon tool steel above Ac₁ by 40-80 C at the rate 4-8 C/s, cooling at cycle below Ac₁ to 250-300 C at the rate 1-7 C/s and tempering at 160-240 C. Method can be used in machine engineering. EFFECT: improved method of steel working. 1 tbl

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RU 2 090 629 C1

Authors

Gur'Ev A.M.

Kirienko A.M.

Rubtsov A.A.

Dates

1997-09-20—Published

1995-12-01—Filed