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Kennametal has announced the launch of Beyond, a platform of high-performance turning products.

Beyond products comprise a complete line of 11 new grades applicable to steel, stainless steel, and cast-iron turning applications.

A new post-coat surface treatment improves edge toughness, reliability, and depth-of-cut notch resistance, and micro-polishes the surface to reduce friction and workpiece sticking (BUE).

A fine-grained alumina layer allows for increases in cutting speed, improving productivity and reliability at high cutting temperatures.

The 11 Beyond grades consist of five grades and 22 geometries for steel turning; three grades and 10 geometries for cast iron turning; and three grades and eight geometries for stainless steel turning.

Manufacturers in the transportation, aerospace, oil and gas, medical, and general engineering industries could realise speed, feed, and depth-of-cut increases depending on the application.

Beyond’s launch encompasses more than 2,000 line items that have been several years in development.

KCP40, a Beyond grade for roughing steel, shows speed and depth-of-cut increases of 10-20 per cent in tests against competitive grades.

KCP05, a Beyond grade for finishing steel, showed feed increases of 30-40 per cent in similar tests.

All the new Beyond inserts are chemical vapour deposition (CVD)-coated, but whereas conventional CVD coatings are under tensile stress, Beyond inserts undergo a proprietary post-coat treatment on all surfaces to reduce this stress, improving coating adhesion and reducing micro-chipping.

In field tests, Beyond products saw action in applications as diverse as railroad wheel machining, green machining of bearings, and roughing heavy forgings.

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