Method of manufacturing of steel sheet for easy open end can wit

Details Method of manufacturing of steel sheet for easy open end can wit Method of manufacturing of steel sheet for easy open end can wit

1985-04-15

1986-06-24

Stallard, Wayland

Metal treatment

Compositions

Heat treating

148 12C, 148 12D, 148 121, C21D 710

Patent

active

045966087

ABSTRACT:
A method for manufacturing steel sheet for easy open end cans superior in openability comprising an improvement in the conventional process which includes the steps of hot rolling, first cold rolling, annealing and second cold rolling. The improvement resides in the operation of the second cold rolling reduction according to the formula: 100-0.08.times.(C+1,000.times.P)-0.8.times.H>R>20 and 45>R. This formula expresses the relationship between hardness, carbon content and cleanliness after annealing, wherein

REFERENCES:
patent: 3139359 (1964-06-01), Morgan
patent: 3285790 (1966-11-01), Lockwood
patent: 3598658 (1961-08-01), Matsukura et al.

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