https://www.wsv-valve.com/valve-pal.html As a professional industrial valve company, our commonly used valve material include Titanium, Zirconium, Nickel, Hastelloy, Monel, Inconel, Nickel Aluminum Bronze, Alloy 20, 904L, Duplex /Super duplex stainless steel, Tantalum, etc high alloy, and stainless steel.All Rights Reserved