Our Expertise

AMS 2474

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

Is AMS 2474 Still a Valid Specification?

While AMS 2474 was superseded by AMS 2477 in 2006, the specification remains essential for legacy component manufacturing and repair. Several aerospace, defense and industrial applications still reference AMS 2474 for aluminum parts requiring low-electrical-resistance finishes. If your technical drawings or quality requirements specify AMS 2474 finishing, we have the process knowledge and stringent quality controls to deliver compliant results.

We understand the technical distinctions between AMS 2474 and current specifications and work with you to determine whether legacy spec compliance or updated alternatives best serve your application requirements.

Are you looking for a partner who can meet the specific requirements of AMS 2474 chromate conversion coating for legacy aluminum components? RIE Coatings is a proven metal finishing solutions provider, delivering our services in adherence to exact mil-spec requirements. Our precision, responsiveness and decades of experience in metal finishing make us the trusted choice for OEM manufacturers and machine shop operators.

We specialize in providing advanced metal finishing solutions for a range of demanding industries, including military and defense, aerospace and automotive.

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.

Advantages of AMS 2474 Coating

Several features make the AMS 2474-compliant finishing process advantageous for various legacy components: 

  • Corrosion resistance: This chromate conversion finishing layer protects aluminum substrates from environmental factors and extends component service life.

  • Material integrity: The non-destructive chemical process maintains the temper, hardness and dimensions of the aluminum alloy. 

  • Paint adhesion: AMS 2474 is an excellent primer, creating a durable surface for subsequent painting.

Finish Your Legacy Parts to Exact Specifications

At RIE Coatings, we have documented processes for applying chemical film finishing that comply with the requirements of AMS 2474. Our process achieves the low electrical resistance and corrosion protection mandated by the specification, ensuring your components perform as intended in their operating environments.

Our expert team carries out every step of the finishing process, from pretreatment to post-application finishing, under our roof. This end-to-end control enables us to maintain direct oversight throughout, ensuring we deliver the most trusted solutions that meet your specifications. As a result, we can guarantee consistency, traceability and quality. Our facilities maintain ISO 9001:2015 certification, with AS9100D and ITAR registration at our Albuquerque location for aerospace and defense applications.

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.

Why Partner With RIE Coatings?

When you choose RIE Coatings for your AMS 2474 chromate conversion coating, you gain a partner dedicated to delivering high-quality metal finishing solutions for your most demanding applications.

Here’s what sets our approach apart:

  • Engineering consultation: We go beyond finishing application — our technical team reviews your specifications, material requirements and application conditions to recommend the most effective finishing solution for your components.
  • Rapid response: You can expect to receive responses from our team within hours and detailed quotes within 24 hours, helping you maintain project momentum when timing matters.
  • Industry expertise: Since 1987, our solutions have served aerospace, automotiveheavy equipment and defense manufacturers.

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.
GET STARTED WITH US

Start Your AMS 2474 Project Today

Legacy specifications require proven expertise and attention to detail. Whether you need AMS 2474 chromate conversion coating for aerospace components, defense systems or industrial equipment, RIE Coatings brings the technical knowledge and quality controls you can depend on.


To get started, speak to an engineer about your finishing requirements. Call or text us at 320-592-6325, email us at info@riecoatings.com, or contact us online — you’ll receive a detailed quote within 24 hours. 

 

INDUSTRIES of Expertise
Talk to an RIE Expert