AG (TiAIN Multi Layer) Coat Description Product remark 1.material: High Speed Steels 2.Steablity, Hi-Efficience and Corner Radius. 3.Work Material:PreHardened Steels, Alloy Steels, Carbon Steels, Stainless Steels, Titanium Alloys, Nickel Alloys, Cast Irons and Aluminum Alloys