0Cr17Ni4Cu4Nb(17–4PH) chemical composition
17-4PH is a precipitation hardened martensitic stainless steel alloy composed of 17 percent chromium, 4 percent nickel, 4 percent copper, and 0.15 percent niobium. It was designed to have high strength and good corrosion resistance and also to offer excellent formability and weldability. It is wid......