Bell 299-947-087 - Aerospace Alloy Steel
Bell 299-947-087 is a high-grade aerospace alloy steel material designed specifically to withstand the harsh elements in aircraft parts. When you need a material with high strength, toughness, and resistance to fatigue, this material is the way to go, especially in aircraft parts such as the rotating gears, landing gears, and other aerospace applications where precision and performance are a necessity.
This steel material is vacuum melted to ensure consistency in the mechanical properties of the material, minimizing the presence of inclusions to ensure a consistent microstructure.
Technical Informations of M50 Alloy Steel per Bell 299-947-087
- Carbon (C): 0.38 – 0.45%
- Chromium (Cr): 0.80 – 1.10%
- Molybdenum (Mo): 0.15 – 0.25%
- Nickel (Ni): 3.25 – 3.50%
- Manganese (Mn): 0.25 – 0.45%
- Silicon (Si): 0.15 – 0.35%
- Sulfur (S): ≤ 0.025%
- Phosphorus (P): ≤ 0.025%
- Iron (Fe): Balance
- High tensile strength and fatigue resistance
- Excellent toughness at ambient and elevated temperatures
- Uniform microstructure for predictable performance
- Vacuum melted to reduce inclusions and improve reliability
Applications of Bell 299-947-087
- Jet Engine Components – high-strength rotating parts
- Landing Gear Assemblies – shafts, pins, and structural components
- Rotating Aerospace Machinery – fatigue-critical parts for actuators and turbines
- Defense Systems – high-performance steel for military aircraft
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.