17-7PH
17-7PH precipitation-hardening stainless steel is a semi-austenitic being austenitic in the annealed condition and martensitic in the hardened condition. It provides high strength and hardness, excellent fatigue properties, good corrosion resistance, good formability, and minimum distortion upon heat treatment, widely used for applications requiring good corrosion resistance combined with high strength.
Nitronic 50
Nitronic 50 also known as XM-19, which is a nitrogen-strengthened austenitic stainless steel that has properties that combine excellent strength, ductility, toughness, corrosion resistance and fabricability. The material is typically supplied in the annealed condition and offers excellent mechanical properties at both sub-zero and high temperatures, its a very versitile material.