Process for prevent the formation of adhesives when annealing st

Details Process for prevent the formation of adhesives when annealing st Process for prevent the formation of adhesives when annealing st

1993-02-23

1994-09-06

Dean, Richard O.

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

148633, 148287, 427156, 4272553, C21D 1100

Patent

active

053445090

ABSTRACT:
A process to prevent the formation of adhesives when annealing a steel band having a low carbon content uses an inert gas consisting of nitrogen and hydrogen and includes the phases of heating up, holding time and cooling. The process is characterized in that during the holding time, the steel band is coated by oxidation with a thin coating which is then completely removed by reduction during the cooling phase.

REFERENCES:
patent: 3873377 (1975-03-01), Fisher et al.
Metals Handbook 9th Ed. vol. 4, Heat Treating, 1979, pp. 389-393.
Arnold, J., Open Coil Process: Shows Way to Gas Alloy, Iron and Steel Engineer, Aug. 1960, pp. 91-111.

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