AMS 6490 - High-Strength Aerospace Alloy Steel
AMS 6490 is a high-strength, nickel-chromium-molybdenum alloy steel specifically developed for aerospace structural components that require exceptional toughness, fatigue resistance, and mechanical reliability. This alloy is commonly used in landing gear, high-stress airframe structures, and critical mechanical systems where failure is not an option.
Technical Informations of M50 Alloy Steel
- Carbon (C): 0.35 – 0.45%
- Chromium (Cr): 1.0 – 1.5%
- Molybdenum (Mo): 0.5 – 0.8%
- Nickel (Ni): 1.25 – 1.75%
- Manganese (Mn): 0.25 – 0.50%
- Silicon (Si): 0.15 – 0.35%
- Vanadium (V): 0.05 – 0.15%
- Iron (Fe): Balance
- High strength and toughness for critical aerospace components
- Excellent fatigue and impact resistance
- Dimensional stability under cyclic loading
- Uniform microstructure for reliable mechanical performance
- Low inclusion content to reduce risk of crack initiation
Applications of AMS 6490 Steel
AMS 6490 is widely used in aerospace and defense applications requiring high-strength and reliability:
- Aircraft Landing Gear Components : axles, pins, and load-bearing fittings
- High-Load Airframe Structures : spars, brackets, and fasteners
- Defense Systems : high-strength mechanical components
- Precision Aerospace Assemblies : shafts, gears, and high-stress components
M50 Alloy Steel SPECIFICATIONS
BARS & FORGINGS
Semi-finished bars and forged shapes used for aircraft structural parts, landing gear, and high-stress applications.
Certified Material for Critical Service
Materials supplied to M50 specifications meet stringent aerospace and industrial quality standards. Fighter Jet Metals provides M50 steel with full certification and traceability to ensure reliability in high-stress environments.
All materials include:
- Mill Test Reports (MTRs) for chemical and mechanical verification
- Heat-lot traceability for manufacturing quality assurance
- Compliance documentation with aerospace and industrial standards
These certifications guarantee material integrity for precision and high-load applications.