Method of thermal or thermochemical treatment of precision steel

Details Method of thermal or thermochemical treatment of precision steel Method of thermal or thermochemical treatment of precision steel

1996-03-18

1998-09-01

Ip, Sikyin

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

148639, 148644, 148902, C21D 604

Patent

active

058006419

ABSTRACT:
A method of thermal or thermochemical treatment of precision steel components having different wall thicknesses comprising the steps of a) hardening (8), b) low temperature cooling (9) and c) annealing (10), wherein the precision steel components are subjected to a low temperature cooling of only selected parts of the precision steel component to effect a reduction in the occurrence of primary residual austenite in the selected parts thereof.

REFERENCES:
patent: 5259200 (1993-11-01), Kamody

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