Titanium metal materials are widely used in aerospace, petrochemical, electric power, seawater desalination, medical implants, etc. due to their low density, high specific strength, low thermal conductivity and strong corrosion resistance. Titanium is non-toxic and harmless. It has no harm to human health. In recent years, it has gradually expanded in civilian use, such as titanium bicycles, titanium outdoor products and titanium tableware.