Metal treatment – Compositions – Heat treating
Patent
1982-09-09
1984-04-17
Skiff, Peter K.
Metal treatment
Compositions
Heat treating
148 123, 148 36, C21D 804
Patent
active
044432720
ABSTRACT:
Disclosed are processes for producing cold rolled steel sheets and strips having excellent press formability and ageing property by a continuous annealing method, in which specific heating cycles are adopted in combination with steel compositions with lowered phosphorus contents.
REFERENCES:
patent: 3805571 (1974-04-01), Toda et al.
patent: 3920487 (1975-11-01), Gondo et al.
patent: 4374682 (1983-02-01), Abe et al.
Katoh Hiroshi
Komiya Kunihiko
Koyama Kazuo
Toyota Hiromi
Nippon Steel Corporation
Skiff Peter K.
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