Corned beef is cured in brine; this other deli meat is seasoned brisket that's been cured, smoked & cooked
Both pastrami and corned beef are cured meats, 
meaning that they have been injected or otherwise infused with... [DOC] [TLE] Corned Beef Recipe : Alton Brown : Food Network [PAR] For flavorful, tender meat, make Alton Brown's Corned Beef recipe from Good 
Eats on Food Network by beginning the salt-curing process 10 days ahead of 
cooking.