Metal treatment – Compositions – Heat treating
Patent
1990-02-07
1991-05-28
Yee, Deborah
Metal treatment
Compositions
Heat treating
148 124, 148 12F, C21D 810
Patent
active
050191802
ABSTRACT:
A method of manufacturing high-strength seamless steel tubes by hot-rolling followed by accelerated cooling in which feed ingots of a steel annealed with aluminum and/or silicon of the following composition in weight per cent:
Homberg Gerd
Prasser Christoph
von Hagen Ingo
Mannesmann Aktiengesellschaft
Yee Deborah
LandOfFree
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