Titanium steel, also known as titanium alloy, is a kind of stainless steel without carbon and titanium. It is obtained by continuously reducing the carbon content on the basis of 3 16 titanium steel. Many advantages: bright luster, excellent texture, no deformation, very strong corrosion resistance, no deformation and no discoloration for a long time, and relatively low cost. The disadvantage is that the hardness is too high and can only be made into some simple shapes after reprocessing. Most jewelry materials are titanium.