Method for overaging of hot dip metal coated steel material

Details Method for overaging of hot dip metal coated steel material Method for overaging of hot dip metal coated steel material

1979-09-24

1981-10-13

Dean, R.

Metal treatment

Process of modifying or maintaining internal physical...

Chemical-heat removing or burning of metal

148 123, 148154, 148156, C21D 602, C21D 948

Patent

active

042946328

ABSTRACT:
Method for overaging hot dip metal coated steel material to improve formability, comprising rapidly heating the material to a temperature of above 300.degree. C. but below that at which the coating is undesirably denatured at heating rate of at least 50.degree. C./sec., followed by controlled slow cooling of cooling rate of not more than 20.degree. C./sec. Total processing time required can be one or two minutes, thus the method can be continuously carried out.

REFERENCES:
patent: 4052234 (1977-10-01), Yamagishi et al.

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