Stainless steel forgings play a vital role in Marine engineering. The main reasons are as follows: Corrosion resistance: The Marine environment has severe corrosion conditions, including salt spray, moisture and high chloride ion concentration. Stainless steel forgings have excellent corrosion resistance, which can effectively resist seawater corrosion and extend service life. High strength: In Marine engineering, forgings need to withstand high loads and pressures. The forging process of stainless steel forgings can improve its strength and toughness, so that it can withstand greater forces and maintain the stability of the structure. Wear resistance: There are a lot of particulate matter and wear media in the Marine environment, such as sand, seaweed, shells, etc. Stainless steel forgings have high wear resistance, which can reduce problems such as equipment damage and leakage caused by wear. Impact resistance: there are often extreme weather conditions such as large waves and tsunamis in the Marine environment, and stainless steel forgings have good impact resistance and can effectively respond to the challenges in these extreme environments. Weldability and machinability: Stainless steel forgings have good weldability and machinability, which is convenient for welding, assembly and maintenance process operations in Marine engineering, and improves the efficiency and quality of construction. In summary, the important role of stainless steel forgings in Marine engineering is reflected in its good corrosion resistance, high strength, wear resistance, impact resistance and weldability and machinability. These characteristics make stainless steel forgings one of the important materials widely used in Marine engineering.