Vehicle/Auto Industry: This is the fastest growing stainless steel application area. Using high-strength stainless steel to make the body structure can greatly reduce the vehicle's own weight and enhance the strength of the body structure. The use of stainless steel as the vehicle's panel and decorative components can reduce maintenance costs. In addition, stainless steel is also due to the advantages of resistance to chloride ion corrosion and heat resistance due to the exhaust system of the car. Nowadays, stainless steel vehicles have been widely used in Japan, the United States, and Sweden. Japan began to promote from the 80s, and currently its stainless steel train vehicles have reached 60%. The car industry is the focus of the development of stainless steel applications.