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AMS 2404
Precision Electroless Nickel Plating for Aerospace Applications

The SAE Aerospace Material Specifications (AMS) Committee continually refines benchmarks to reflect new developments and operational realities. Finding a finishing partner with genuine AMS 2404 capability is a challenge for aerospace suppliers and OEMs.

 

AMS 2404, formerly MIL-C-26074, exists because aerospace hardware demands a higher level of precision, compliance and repeatability. At RIE Coatings, we know that your flight-critical components count on electroless nickel protection that holds up under scrutiny in the lab and in the field.

Common use cases
  • Satellite
  • Drone
  • Fixed-Wing Components
  • Rotary Wing Components
PERFORMANCE CRITERIA
  • UV Protection
  • Aesthetics
  • Durability
Solutions & Capabilities
Specifications
  • ASTM B733
  • AMS 2473
  • MIL-A-8625
  • AMS 2472
  • AMS 2469
  • AMS 2404
  • AMS 2405
  • AMS2424

Precision Electroless Nickel Plating for Aerospace Applications

Engineers turn to AMS 2404 for its strict guidelines on uniform deposit thickness, corrosion resistance and material compatibility. Ordinary job shops cannot meet these demands for complex geometries like internal diameters, precision threads or intricate assemblies. RIE Coatings is a strategic partner for those projects. We deliver conformal coatings that maintain critical tolerances and extend component lifespan, all while meeting the rigorous benchmarks that SAE International established for the aerospace industry.

Achieving Strict Compliance With AMS 2404 Standards

Compliance with AMS 2404 is about understanding and delivering on the nuanced requirements of every class and grade defined in the standard. RIE Coatings’ processing is engineered with aerospace in mind, giving your team confidence regardless of project complexity.

We meticulously adhere to every grade within AMS 2404, from as-deposited coatings to heat-treated options that maximize hardness and minimize internal stress. We also update our procedures and controls with every SAE International revision. You never have to worry about legacy drawings or new programs falling short of the latest standards.

Our standard electroless nickel bath produces a mid-phosphorus deposit in the optimal range to balance excellent hardness with superior corrosion resistance. This performance advantage is critical for aerospace parts that need both wear protection and robust service life without sacrificing tolerance. Across aluminum, carbon steel and stainless steel, we craft processes that deliver uniform results every time.

The RIE Difference: AS9100D and ITAR Certified Processing

What truly separates RIE from batch-and-ship plating shops is our commitment to aerospace quality and security standards. Every job at our facility is governed by an AS9100D-certified quality management system, keeping your supply chain audit-ready and your compliance documentation easily accessible. We are ITAR registered and fully prepared to handle defense-related print packages, ensuring security and compliance from start to finish.

Our automated processing lines provide consistency. We monitor, record and verify each batch to eliminate process drift and minimize risk. Parts arrive within print every time, without surprises or production delays.

Anodizing

This electrochemical surface treatment creates a corrosion-resistant oxide layer on aluminum, one of the industry’s primary structural materials. Real-world examples of its use include:

  • Safeguarding satellite housings and structures.
  • Building a hard, wear-resistant layer on helicopter rotor blades.
  • Protecting aircraft structural components from environmental degradation.

Chromating or chromate conversion coatings provide excellent corrosion resistance properties to aluminum components. They also provide a great surface for primer paint adhesion.

This coating appears in:

  • Components that require electrical bonding.
  • Aircraft aluminum alloys.

This treatment deposits a consistent, corrosion-resistant layer of nickel-phosphorus or nickel-boron alloy on components without using electricity.

It’s ideal for:

  • Sensitive components.
  • Restoring precise dimensional tolerances of worn parts.

Comprehensive Testing and Quality Assurance

RIE Coatings’ in-house lab performs the full suite of validation testing expected under AMS 2404, including salt spray testing per ASTM B117, X-ray fluorescence for precise thickness verification, and rigorous adhesion testing to ensure coating integrity. For high-strength steel, we provide hydrogen embrittlement relief baking, supporting true aerospace best practices. All shipments include complete certificates of conformance to fulfill traceability requirements and satisfy internal and external audits.

In space, satellites experience solar radiation, considerable temperature changes and micrometeoroid and orbital debris impacts. Our coatings for satellites shield your components from these conditions, ensuring proper satellite functionality.

The lightweight construction of unmanned aerial vehicles increases their susceptibility to environmental factors. By applying coatings to drone wings and bodies, we empower you to supply durable equipment with less drag and better thermal control.

Fixed wings endure rain, sand, hail and temperature changes, which can lead to corrosion over time. To maintain structural integrity and performance, we apply commercial aircraft protective coatings, particularly along leading edges and fastener lines.

Rotor blades experience fatigue and environmental degradation over time. Our specialized coatings safeguard them from abrasion and corrosion to preserve their performance and structural integrity.

Benefits of Protective Coatings for the Aerospace Industry

Our solutions help each part of your build last longer, perform better, increase safety and maintain fuel efficiency.

Using our coatings provides key engineering benefits:

  • Stress corrosion cracking and material fatigue mitigation: Aviation coatings create robust barriers to safeguard vital components from degradation and failure, ensuring overall user safety and product reliability.
  • Component service life extension: Reduced exposure to the elements prolongs service life and reduces maintenance and repair frequency, lowering your customers’ operating costs and minimizing aircraft on ground situations.
  • Structural weight optimization: The lighter nature of modern coatings provides significant weight savings at the design stage and potentially improves fuel efficiency.
  • Enhanced hardness and wear resistance: Our high-temperature coatings for aircraft create hard barriers, providing superior resistance against component abrasion and wear.
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