ABH Stainless Steel Hinges are made of 304 Stainless Steel. Continuous Stainless Steel Hinges run the entire length of the door eliminating any gaps between the door and the frame, providing high security and also distributing the weight of the door evenly through the opening. Continous Stainless Steel Hinges are ideal for highly abusive & corrosive applications such as hospitals, water treatment plants, swimming pools, and salt spray applications are utilized.