Continuous hardening of high speed steel

Details Continuous hardening of high speed steel Continuous hardening of high speed steel

1980-04-09

1982-03-23

Dean, R.

Metal treatment

Compositions

Heat treating

148 16, 148 167, 148131, C21D 952

Patent

active

043210988

ABSTRACT:
A wire of high speed steel is hardened and straightened by a continuous method wherein an annealed high speed steel wire is subjected to steps of austenitizing; quenching; tempering and cooling; and then tempering and cooling under tension. The hardened and straightened high speed steel wire can be cut, centerless ground and fluted to make hardened, straight, high speed steel twist drills.

REFERENCES:
patent: 3469829 (1969-09-01), Fujita et al.

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