Stellite 31

Material overview

Stellite 31 belongs to the Cobalt-Based Alloys section of the catalog. Nickel-bearing cobalt cast alloy with good high-temperature strength and wear resistance. The technical review record highlights Good combination of strength, ductility and wear at elevated temperature and thermal-shock resistant. Listed applications include Hot-working dies, engine valves, high-temperature bearings, and press and forging tooling. The dataset currently includes 10 property records covering chemical composition, mechanical properties, and physical properties. Standards and product forms associated with the grade include A5.21 and Cast Product. Final material properties and delivery conditions must be verified against the applicable specification and inspection documents.

Key characteristics

• Good combination of strength, ductility and wear at elevated temperature
• thermal-shock resistant

Typical applications

• Hot-working dies
• engine valves
• high-temperature bearings
• press and forging tooling

Grade names and equivalents

Technical properties

Typical values are for reference only. Final chemistry, mechanical properties, heat treatment, dimensions, inspection, and documentation are confirmed against the applicable specification and MTC/COA before order acceptance.

Standards and specifications

Forms, applications, and capabilities