A blade member for cutting-tools includes a cermet substrate which contains, apart from unavoidable impurities, a binder phase and a hard dispersed phase. The binder phase contains 5% to 30% by weight of cobalt and/or nickel. The hard dispersed phase contains a balance composite carbo-nitride of titanium and one or more of the elements tungsten, molybdenum, tantalum, niobium, hafnium and zirconium...

PURPOSE:To enable scrap to be reused economically without lowering of physical property, etc., by salvaging the scrap divided into at least two layers in the salvage of the scrap generated in manufacture or secondary working. CONSTITUTION:In order to divide scrap into at least two layers, the peel strength between layers in scrap must by smaller than the break strength of a base layer e.g., polypr...