the large oxy acetylene torch and a hammer should have those off in no time, just heat them up and tap them off. We are purchasing the mining inserts at $10.50 lb (4/22/14)........so if you have a 70lb piece and knock about 30 to 40lbs of carbide off of it your gonna make 300 to 400 bucks. There are tons of guys from small mining towns that do this and bring us on average a 1000 pounds a week. Link to our buyers and sellers thread http://www.scrapmetalforum.com/scrap...-tungsten.html
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