Method for producing machine elements of steel

Details Method for producing machine elements of steel Method for producing machine elements of steel

1992-04-08

1997-09-30

Ip, Sikyin

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

148566, 148567, 148570, 148663, C21D 940

Patent

active

056722176

ABSTRACT:
In a method for producing machine elements of steel having a carbon content of 0.3 to 1.1%, blanks are heated to austenitizing temperature and austenitized, quenched for the formation of martensite, heated from room temperature to a maximum tempering temperature, and immediately after reaching said maximum temperature cooled to room temperature to attain a hardness of 45 to 65 RHC and finish-machined to machine elements.

REFERENCES:
patent: 3477884 (1969-11-01), Schlicht
patent: 3575737 (1971-04-01), Carlen et al.
patent: 4407683 (1983-10-01), Higikata et al.
Deutsche Normen, Walzlagerstahle, Technische Lieferbedingungen, Deutsches Institut fur Normung, Din 17 230, Sep. 1980, pp. 1-17.
Metals Handbook, Heat Treating, 9th Edition, vol. 4 pp. 12, 71, 75-76, (1981).
Lubrication, vol. 37, No. 9, Sep. 1951 p. 104.

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