TIN is a versatile PVD coating known for its high cost-performance ratio and stability. It enhances tool hardness and boasts a high oxidation temperature. This coating, when applied to high-speed steel cutting tools or forming tools, yields excellent processing results. The iron nitride coating and its sintered bodies feature a pleasing golden yellow color, making them suitable as decorative materials with good gold-like effects and decorative value. They also offer corrosion resistance and extend the lifespan of工艺品.