Frequently asked questions
Oxygen reaction with metal.
Eliminate/reduce oxygen presence after pouring.
Chromium (Cr) oxides form when oxygen is present during solidification.
Avoid contact with oxygen during solidification. Implement canning practice once shells are poured.
CO gas forms through reaction between C in steel with the refractories of the mold.
Use carbon stucco, put molds in sand and use alternative refractories.