Are the silver tableware used in five-star hotels made of pure silver?

Silver tableware used in five-star hotels is not pure silver. The silver tableware used in hotels is stainless steel, that is, aluminum-iron alloy, not pure silver. The purity of silver is 925 silver and 990 silver, which is the national standard. 925 pure silver is 925% silver, which is the standard content of pure silver.