AISI 431 Properties (Chem., Mech. & Rankings) 2022
What is AISI 431? AISI 431 is the most corrosion resistant of the martensitic grades. It also has excellent tensile and torque strength and good toughness. Application Structural parts (that are exposed to marine atmosphere), aircraft fasteners and fittings. UNS Number S43100 Ok let's start with AISI 431 Chemical Composition. Chemical Composition