Iron and steel materials are important basic materials, widely used in energy development, transportation, petrochemical, machinery and electric power, light industry and textile, medical and health, construction and building materials, home appliances and communications, national defence construction and high-tech industries, and have a strong competitive advantage. With the development of the times, there are more and more types of steel materials. The specific steel material we are going to introduce is ppgl, which is a new steel material with a wide range of applications. In this article we will give a brief introduction and analysis of ppgl.