Allegheny Ludlum AL 418™ (Greek Ascoloy) Special Martensitic Stainless Steel

Subcategory: Ferrous Metal; Metal; Stainless Steel; T 400 Series Stainless Steel

Key Words: AMS 5508

Component   Wt. %

Material Notes:
Iron content above calculated as remainder.

Uses incluse engine braces, turbine exhaust components, exhaust struts, stiffeners, and ducts.

Information provided by Allegheny Ludlum

Physical PropertiesMetricEnglishComments
Density7.87 g/cc0.284 lb/in³ 

Mechanical Properties
Hardness, Rockwell C2525 
Tensile Strength, Ultimate895 MPa130000 psi 
Tensile Strength, Yield725 MPa105000 psi 0.2% YS
Elongation at Break15 %15 % 

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