TiAlN PVD coatings provide exceptional heat resistance, wear protection, and longer tool life for high-speed, hard, and stainless steel machining.
Request a QuoteTiAlN (Titanium Aluminum Nitride) is a premium nano-layer PVD coating developed for high-speed machining, hard machining, and stainless steel machining. Its combination of exceptional hardness and thermal stability allows cutting tools to operate under extreme temperatures while maintaining excellent wear resistance and cutting-edge integrity.
North Star Coating recommends TiAlN for applications where elevated cutting temperatures are common, including dry machining and interrupted cutting. The coating's nano-layer structure provides excellent protection against abrasive wear and oxidation, making it an outstanding choice for carbide cutting tools machining difficult materials at aggressive speeds and feeds.
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TiAlN combines exceptional hardness with high oxidation resistance for cutting tools operating at elevated temperatures and demanding machining conditions.
Coating Color
Dark Grey
Produces a dark grey finish on carbide end mills, drills, reamers, inserts, and other high-performance cutting tools.
Surface Hardness
3,500 ±200 HV
Provides excellent resistance to abrasive wear while helping maintain sharp cutting edges during demanding machining operations.
Oxidation Temperature
Up to 1,400°F
Maintains coating stability during high-temperature machining, making it well suited for dry cutting and elevated cutting speeds.
TiAlN is engineered for cutting tools that machine difficult materials under high heat, heavy loads, and demanding production conditions.
Protects cutting tools operating at elevated spindle speeds where friction and heat quickly degrade conventional tool surfaces.
Provides outstanding wear resistance when machining hardened tool steels and other difficult-to-cut materials.
Performs exceptionally well on stainless steels that generate significant heat and rapidly wear cutting edges.
Designed for applications where coolant use is minimized or eliminated, allowing the coating to withstand elevated operating temperatures.
The nano-layer coating structure provides dependable wear protection during long, uninterrupted machining operations.
Withstands repeated thermal cycling and impact loads encountered when cutting interrupted surfaces and varying workpiece geometries.


TiAlN delivers exceptional wear resistance, thermal stability, and cutting performance for demanding machining operations where heat is the primary cause of tool failure.
TiAlN remains stable at temperatures approaching 1,400°F, helping protect cutting edges as machining heat increases.
A surface hardness of approximately 3,500 HV resists abrasive wear and helps maintain sharp cutting edges for longer machining cycles.
The coating performs exceptionally well in dry machining applications where thermal stability is essential for tool life.
Supports aggressive cutting speeds and feeds while resisting the elevated temperatures produced during modern machining operations.
North Star's nano-layer coating architecture helps the coating perform in both continuous and interrupted cutting applications.
TiAlN excels when machining stainless steels, hardened materials, and other alloys that generate substantial heat and rapidly wear conventional cutting tools.
Whether you're coating cutting tools, dies, molds, or wear components, our team can recommend the best coating for your manufacturing process.