Annealing steel strip

Details Annealing steel strip Annealing steel strip

1986-03-14

1987-12-01

Dean, R.

Metal treatment

Process of modifying or maintaining internal physical...

Chemical-heat removing or burning of metal

148154, C21D 952

Patent

active

047102403

ABSTRACT:
Cold rolled steel strip is uncoiled, cleaned, and passed into an annealing furnace, wherein the strip is heated to and held at a relatively hot temperature, subsequently quenched, and coiled; after a period of storage the strip passes through the same equipment but now including additional pickling for removing an oxide layer, and the strip passes through the annealing furnace a second time, while operating said annealing furnace for heating to and holding at a lower temperature to obtain aging; thereafter the strip is coiled again.

REFERENCES:
patent: 4497674 (1985-02-01), Ikegami et al.

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