Metal treatment – Stock – Ferrous
Patent
1987-07-31
1989-01-31
Yee, Deborah
Metal treatment
Stock
Ferrous
148 12C, C22C 3806, C21B 713
Patent
active
048013412
ABSTRACT:
A hot-rolled steel sheet suitable for enamelling on one side is disclosed. The steel consists essentially of 0.0050-0.07 wt % C, 0.05-1.5 wt % Mn, 0.03 0.15 wt % P, 0.03-0.1 wt % Al, 0.003-0.010 wt % N, provided that the N content is the sum of at least 0.002 wt % of free nitrogen not bound to Al and the content of nitrogen in other states, the nitrogen content as defined above satisfying the condition of Al/N.gtoreq.10 on the basis of weight percents and the balance being Fe and incidental impurities.
REFERENCES:
patent: 3677834 (1972-07-01), Mayer et al.
Itami Atsushi
Koyama Kazuo
Matsuzu Nobuhiko
Watanabe Takahito
Nippon Steel Corporation
Yee Deborah
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