Manganal teeth fabricated for processor before demolition of Adams Mark Hotel in Philadelphia. Processed 50,000 yards of concrete. Very little wear at end of job.
Dredge built with mild steel lasted two months. Customer switched to stainless and then to 400 BHN, each lasted two months, then tried to overlay with ceramic which lasted three days. Finally switched to manganal and is showing no wear after seven months.
