ANSI: SNGA432E AS20
ISO: SNGA120408E AS20
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Ceramic Inserts are indexable inserts made from Aluminium Oxide Al2O3 or Silicon Nitride Si3N4. They have a hardness of 2,100-2,500 HV (About 40% above carbide), which enables them to machine Hard Steel up to 55 HRC. It can also machine cast iron and nickel-based alloys six times faster compared to coated carbide inserts. Wisker fiber available to get the best toughness.
Very tough Si3N4 ceramic grade with high cutting edge stability for roughing to finishing applications of high temperature nickel based alloys
