ANSI: TPG322A NP94
ISO: TPG160308A NP94
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Cemented carbides are a class of hard materials used extensively for cutting tools, as well as in other industrial applications. It consists of fine particles of carbide cemented into a composite by a binder metal. Cemented carbides commonly use tungsten carbide (WC), titanium carbide (TiC), or tantalum carbide (TaC) as the aggregate. Mentions of "carbide" or "tungsten carbide" in industrial contexts usually refer to these cemented composites. The cobalt content could vary from 5% to 23% base on application. 8% to 12% are the most common for cutting tools. Ruthenium is used to replace cobalt as a perfered binder for the best cutting performance.
A grade suitable for roughing and finishing at higher SFM. Can be used on cast irons, 200-300 and 400 series stainless steels, steel and high temperature alloys. Also has added strength shock resistance provided by a special Newcomer substrate base material.
