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Coated insert grades

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article image Kennametal coated inserts double productivity.

KENNAMETAL has introduced two coated insert grades, KC5510 and KC5525. The grades can double productivity in the turning of high-temperature alloys by machining at twice the speed of competitors.

The tensile strength of high-temperature alloys generally limits machining speeds to between 100 to 200 surface feet per minute (sfm). The Kennametal grades allow cutting speeds of 300sfm to 400sfm.

The grades have an optimised cutting edge and PVD coating for better resistance to high temperatures.

KC5510 is a PVD coated, fine grained tungsten carbide. Its substrate is 6% cobalt for toughness and deformation resistance. KC5525 combines the same surface as KC5510 with a 10% cobalt, fine grain tungsten carbide substrate. The higher cobalt content provides added security in interrupted cuts while maintaining deformation resistance.

The grades are available in five styles, square, 35° diamond, 55° diamond, 80° diamond, and trigon. They are offered in sizes ranging from 3/8” to 3/4” inscribed circle. They fit toolholders using the Kenloc lock-pin system.

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