https://www.powercastchina.com/product/silicasol-casting/investment-casting-of-switch-box-components.html
CF8M material is austenitic stainless steel, due to the molybdenum content significantly improved wear resistance to reducing media and a variety of organic acids, alkalis, salts.
Resistance to intergranular corrosion is better, used in chemical equipment (nitric acid, organic acids) petroleum refining equipment requiring higher corrosion resistance components, such as pump covers, impellers, valves, etc.