ANSI: 690-140616M-E-SL S40T
ISO: 690-140616M-E-SL S40T
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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.
690-140616M-E-SL S40T Sandvik CoroMill® 690, Carbide Insert for Milling, TiCN + Al2O3 + TiN Coating
S40T is developed for diffi cult conditions in titanium milling. It combines cemented carbide, having high toughness, with a thin CVD coating. The result is a grade that withstands vibration and other diffi cult cutting conditions for longer times in cut. The wear is predictable, making the cutting edge gradually duller without breaking.
