Patent ID: 8945250
Filing Date: 2015-02-03
Classification: B23B,C23C,Y10T

Abstract:
1. A cutting tool insert, comprising: a cemented carbide body that comprises WC, 4.0-7.0 wt-% Co, 0.25-0.50 wt-% Cr, having an S-value of 0.68-0.88, and a coercivity, Hc, of 28-38 kA/m; and adjacent a coating between 11 and 24 μm thick deposited by CVD wherein at least the uppermost layer is a 7-12 μm thick α-Al where I(hkl)=measured intensity of the (hkl) reflection, I n=number of reflections used in the calculation (8), (hkl) reflections used are: (012), (104), (110), (006), (113), (202), (024) and (116).