Can analyze all elements between Ti (titanium) and U (uranium). There are over 2000 alloy grades that can be analyzed, and the machine comes with a database of up to 300 alloy grades. Users can also customize and add more than 300 alloy grade databases.Used for the identification of stainless steel, alloy steel, and tool steel grades, as well as composition and content testing, including hundreds of commonly used stainless steel grades such as 201, 203, 301, 304, 316, 321, etc;