Steel material production method

Details Steel material production method Steel material production method

2005-02-22

2005-02-22

Yee, Deborah (Department: 1742)

Metal treatment

Stock

Carburized or nitrided

C148S326000, C148S328000, C148S652000, C148S651000, C148S230000, C148S228000

Reexamination Certificate

active

06858099

ABSTRACT:
A method for producing a steel material having a high fatigue strength and given a uniform residual stress by a rapid treatment. A marageing steel is subjected to a cold plastic working to have a predetermined dimension, to a solution treatment for 60 minutes or more at a temperature of 750 to 800° C., and to an aging.

REFERENCES:
patent: 6309474 (2001-10-01), Yagasaki
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patent: 62-224665 (1987-10-01), None
patent: 02-154834 (1990-06-01), None
patent: 2000-087214 (2000-03-01), None

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