Greek Ascoloy
Greek Ascoloy, or Alloy 418 (UNS S41800), is a martensitic stainless steel used for high-stress, high-temperature service, especially in power plants or aircraft. It has good creep resistance as well as good oxidation resistance at high temperatures. It is used for gas turbine components, fasteners, compressor blades, and vanes.
Key Characteristics & Properties
- Composition: A chromium-nickel-tungsten alloy, providing superior properties to standard 12% chromium steels like Type 410.
- Temperature Resistance: Ideal for continuous service up to 1100F (593C) and up to 1200F in certain applications
- Hardening : Extremely deep-hardening grade that can be heat-treated to various strength levels to optimize transverse toughness.
- Corrison Resistance: Good resistance to scaling, oxidation , atmospheric corrison and wear organic acids
- Machinability : can be machined in all conditions
Common Applications
- Gas turbine compressor blades, vanes, and components.
- Steam turbine buckets and blades.
- High-temperature, high-strength fasteners.
Greek Ascoloy specifications
BARS & FORGINGS
Semi-finished bars and forged shapes for structural, load-bearing, and machined parts.
Certified Material for Critical Service
All Greek Ascoloy Stainless Steel supplied by Fighter Jet Metals comes with full certification and traceability, including material composition reports, mechanical property verification, and compliance with aerospace and industrial standards. This guarantees suitability for critical service applications where material reliability is non-negotiable.