17-4 PH stainless steel sheet plate SAE Type 630 commonly known as AMS 5604 UNS 17400 has a chemical composition of 0.08 to 0.03. Contact us
17-4PH Stainless Steel Sheet & Plate (UNS S17400 / AMS 5604) from Dnyas Stainless Steel is a premium precipitation-hardening martensitic stainless steel that combines high mechanical strength, hardness, and good corrosion resistance. The “PH” designation stands for precipitation hardening, a heat-treatment process that significantly increases strength and hardness, making this grade ideal for demanding engineering applications where both structural performance and corrosion resistance are critical.












