Method of producing low carbon tin-mill gage steel without annea

Details Method of producing low carbon tin-mill gage steel without annea Method of producing low carbon tin-mill gage steel without annea

1975-11-20

1978-01-17

Stallard, W.

Metal treatment

Compositions

Heat treating

148 12D, C21D 174, C21D 946

Patent

active

040690709

ABSTRACT:
The discoloration or off-luster border area called "annealing border" which frequently forms on low carbon tin-mill gage steel coils during box annealing in commercial HNX atmospheres is prevented from forming by providing the steel with less than 0.25 wt. %, and preferably less than 0.20 wt. % free manganese in solid solution.

REFERENCES:
patent: 2606848 (1952-08-01), Farling et al.
patent: 3653990 (1972-04-01), Hudson et al.
patent: 3700504 (1972-10-01), Roberts et al.
patent: 3772091 (1973-11-01), Mayer et al.
patent: 3826693 (1974-07-01), Fisher

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