In a recent meeting with a metalurgist he mentioned that there were 12 grades of iron which could be used for casting. What would be the grade(s) for outside sculpture and what distinguishes this iron?
Matthew T [last name deleted for privacy by Editor] - Faifax, VirginiaA, USA 2001
Cast iron for sculptures should be of high chromium so as to be less corrosive, and resistant to weather conditions.
Aalok Singhi Singhi Metal Cast Pvt Ltd - India 2006
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