C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
148/31
C21D 8/02 (2006.01)
Patent
CA 1171766
PROCESS FOR PRODUCTION OF COIL OF HOT ROLLED STRIP OF AUSTENITIC STAINLESS STEEL ABSTRACT OF THE DISCLOSURE A process for producing a coil of a hot rolled austenitic steel strip wherein a hot bar of austenitic stainless steel is hot rolled to a strip by multiple pass rolling with a total rolling reduction and finishing temperature controlled within the hatched area of Fig. 1; and wherein the hot rolled strip is allowed to cool in air for 3 to 10 seconds, cooled with water and then coiled at 400 to 600°C. The product has recrystallization substantially completed and sensitization prevented, and therefore, need not be annealed before it is subjected to a pickling process.
378174
Asada Koichi
Higo Yuichi
Mori Seiji
Shinoda Kenichi
Yamamura Takamasa
Nisshin Steel Co. Ltd.
Riches Mckenzie & Herbert Llp
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