C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
117/118
C23C 2/26 (2006.01) C23C 2/36 (2006.01) C23C 2/40 (2006.01)
Patent
CA 1254802
PROCESS FOR CONTROLLING ZINC VAPOR IN A FINISHING PROCESS FOR A HOT DIP ZINC BASE COATING ON A FERROUS BASE METAL STRIP ABSTRACT OF THE DISCLOSURE A process for controlling zinc vapor in a finishing process for a hot dip zinc based coating on a ferrous base metal strip in which the strip emerges from the coating bath into an enclosed chamber, by injecting high dew point gas into the chamber. The process is applicable on both a one side and two side coating process. Preferably the atmosphere has about 1-3% water vapor, by volume, for both one-sided and two-sided process.
487100
Abrams Lloyd W.
Arnold Jerry L.
Boston Steven L.
Caudill Forrester
Compton Thomas A.
Ak Steel Corporation
Smart & Biggar
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