We currently use a part in a processor with a wet acidic environment. It is a coupler and is subject to wear and stress. It is made of 416 Stainless Steel and hardened to RC 26/32. We are experiencing a corrosion problem and are looking to switch to 17-4 PH Stainless Steel. What is the annealed hardness, and what process is used to heat treat it and how hard will it get? Are there any good metals books that give information such as this?
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