Development of less work-hardening steel rod for cold forging

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Through the development of an effective practice to decrease dissolved carbon and nitrogen, work-hardening due to strain aging during cold forging was greatly reduced, and this made it possible to eliminate the soft-annealing process prior to cold forging without deteriorating die life or formability.

Description

Through the development of an effective practice to decrease dissolved carbon and nitrogen, work-hardening due to strain aging during cold forging was greatly reduced, and this made it possible to eliminate the soft-annealing process prior to cold forging without deteriorating die life or formability.

Additional information

Author(s)

Takashi Tsukamoto and Hyouji Hagita, Sumitomo Metal Industries, Ltd., Japan.

Publication/Event/Pages

Paper presented at WAI 65th Annual Convention, Atlanta, GA USA. Paper published in Wire Journal International, July 1996, pg. 72.

Year

1995