AH8000 Series PVD Grades and Chipbreakers for Heat Resistant Alloys

Originally titled 'PVD Grades and Chipbreakers for Heat Resistant Alloys'

The two AH8000 grades include AH8015, the first choice grade with well-balanced wear and fracture resistance and the AH8005, the high hardness grade with excellent wear resistance.

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Tungaloy Corporation’s AH8000 series of PVD grades and chipbreakers for turning heat resistant alloys feature resistance to both wear and fracture because of the first nano-multi-layered AlTiN coating with high aluminum content and reduces notch wear, crater wear and built-up edge in machining heat resistant alloys. The two AH8000 grades include AH8015, the first choice grade with well-balanced wear and fracture resistance and the AH8005, the high hardness grade with excellent wear resistance. These two new grades are treated with PremiumTec, Tungaloy’s special surface technology, which adds a highly polished cutting surface for extra stability and long tool life, the company says.

The chipbreakers, HRF and HRM, cover a range of applications from finishing to medium cutting. The HRF chipbreaker for finishing provides low cutting force because of the large rake angle and inclination on the cutting edge, delivering excellent chip control particularly when machining in low depth-of-cut ranges. The HRM chipbreaker for finishing to medium cutting features a protrusion on the rake surface. This protrusion minimizes the swarf from contacting the rake surface and decreases built-up edge.

These new grades and chipbreakers in the AH8000 series offer outstanding cutting performance in various turning operations from finishing to medium cutting of heat-resistant alloys, according to the company.