Tier 3material

Exotic Aerospace Alloys Machining (Waspaloy, Hastelloy, Kovar)

Exotic alloys including Waspaloy, Hastelloy, Kovar, and MP35N are specified for extreme aerospace environments. These materials combine extreme machining difficulty with critical performance requirements.

±0.001" to ±0.003"
Tolerances
32-63 Ra
Surface Finish
0+
Qualified Shops
Certified
AS9100

Why Aerospace Requires Exotic Alloys Machining

  • Extreme temperature applications
  • Specialized thermal expansion properties
  • Superior corrosion resistance
  • High strength at elevated temperatures
  • Specialized magnetic/electrical properties

Typical Applications

Turbine hot section components
Hermetic seal housings
Space thermal management
High-temp exhaust systems
Cryogenic systems
Electronics packaging

Materials Commonly Machined

Waspaloy - Jet enginesHastelloy C-276 - Chemical resistanceKovar - Glass-to-metal sealsMP35N - Medical/aerospaceMonel 400 - Marine aerospaceInvar 36 - Low thermal expansion

Technical Considerations

  • Each alloy requires specific machining parameters
  • Ceramic tooling often required
  • Very low cutting speeds
  • Specialized coolant strategies

Tolerances Achievable

Position
±0.001" to ±0.003"
Profile
±0.002"
Surface Finish
32-63 Ra

Recommended Certifications

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Frequently Asked Questions

What is Exotic Alloys Machining?

Exotic alloys including Waspaloy, Hastelloy, Kovar, and MP35N are specified for extreme aerospace environments. These materials combine extreme machining difficulty with critical performance requirements.

Why is Exotic Alloys Machining important for aerospace?

Extreme temperature applications

What tolerances can be achieved?

±0.001" to ±0.003"