Aerospace

Trusted by Top Aerospace Companies Worldwide

Established in 1982, Certified Metal Finishing (CMF) has earned its reputation as a leading provider of aluminum anodizing and metal finishing services. Our team is known for delivering high-quality, and on-time service for mission-critical industries–including MRO, defense, aerospace, marine, medical, automotive, and electronics. With a range of in-house processes and deep expertise in complex specifications, we prioritize precision, quality, and customer satisfaction–because you and your industry demand nothing less.

Strategically located between West Palm Beach and Miami, FL, USA

Serviced to the Highest Standard

Services & Specs

Chromic Anodize, Type I+

Chromic Anodize creates a thin, corrosion-resistant oxide layer on aluminum, ideal for flexible, fatigue-resistant parts like landing gear in aerospace applications. CMF offers multiple seals (Hot Water, Nickel Acetate, Dichromate, PTFE, Duplex Seal).

  • Common Applicable Specifications:
    • MIL-PRF-8625 Type I & IB Cl 1 & 2
    • AMS 2470
    • MIL-STD-171
  • NADCAP Specifications:
    • MIL-PRF-8625 Type I & IB Class 1 & 2
    • MIL-A-8625 Type I Class 1 & 2
    • AMS 2470
Sulfuric Anodize, Type II+

Sulfuric Anodize forms a thicker oxide layer on aluminum, enhancing corrosion resistance and paint adhesion, commonly used for durable aerospace components like aircraft skins. CMF offers colors (black, blue, red, gold, gray) and multiple seals (Hot Water, Nickel Acetate, Dichromate, PTFE, Duplex Seal).

  • Common Applicable Specifications:
    • MIL-PRF-8625 Type II Cl 1 & 2
    • AMS 2471
    • AMS 2472
    • MIL-STD-171
  • NADCAP Specifications:
    • MIL-PRF-8625 Type II Class 1 & 2
    • MIL-A-8625 Type II Class 1 & 2
    • AMS 2471
    • AMS 2472
Hardcoat/Hard Anodize, Type III+

Hardcoat Anodize produces a thick, hard oxide layer on aluminum, improving wear resistance that is essential for high-abrasion areas like engine components in aerospace applications. CMF offers colors and multiple seals (Hot Water, Nickel Acetate, Dichromate, PTFE, Duplex Seal).

  • Common Applicable Specifications:
    • MIL-PRF-8625 TYP III Cl 1 & 2
    • MIL-A-8625 TYP III Cl 1 & 2
    • AMS 2469
    • AMS 2482
    • MIL-STD-171
  • NADCAP Specifications:
    • MIL-PRF-8625 Type III Class 1 & 2
    • MIL-A-8625 Type III Class 1 & 2
    • AMS 2469
    • AMS 2482
Chromate Conversion Coatings (Standard & ROHS Compliant), Chem Film, Alodine, Iridite+

These coatings protect metals like aluminum with a thin, non-buildup layer using trivalent or hexavalent chromium, meeting aerospace corrosion standards while adhering to sustainability requirements.

  • Common Applicable Specifications:
    • MIL-DTL-5541 TYPE I&II (All Classes)
    • MIL-C-5541
    • AMS 2473
    • MIL-STD-171
  • NADCAP Specifications:
    • MIL-DTL-5541 Type I & II (All Classes)
    • MIL-C-5541
    • AMS 2473
Chromate Conversion on Magnesium+

This process applies a protective layer to magnesium, improving corrosion resistance for lightweight aerospace components, such as engine casings, where weight reduction is critical.

  • Common Applicable Specifications
    • AMS-M-3171 Type I
Passivation of Stainless Steel+

Passivation removes free iron from stainless steel, forming a protective oxide layer to prevent rust, vital for aerospace component longevity, such as in fasteners or hydraulic systems.

  • Common Applicable Specifications:
    • QQ-P-35
    • AMS-QQ-P-35
    • FED-QQ-P-35
    • AMS 2700 TY II, VI & VIII
    • ASTM 967 NITRIC 1 & 2
    • ASTM A380
  • NADCAP Specifications:
    • QQ-P-35
    • AMS-QQ-P-35
    • FED-QQ-P-35
    • AMS 2700 TY II, VI & VIII
    • ASTM 967 NITRIC 1 & 2
    • ASTM A380
Humidity Testing+

Humidity Testing assesses how materials perform under high moisture, ensuring aerospace components can withstand humid environments without degradation, critical for global operations.

  • Common Applicable Specifications:
    • ASTM D 2247
    • ASTM 967 Practice B
  • NADCAP Specifications:
    • ASTM D 2247
    • ASTM 967 Practice B
Salt Fog Testing+

Salt Fog Testing exposes materials to salty conditions, evaluating corrosion resistance, essential for aerospace parts in marine or coastal operations, such as aircraft operating near oceans.

  • Common Applicable Specifications:
    • ASTM B 117
    • ASTM 967 Practice C
  • NADCAP Specifications:
    • ASTM B 117
    • ASTM 967 Practice C
Copper Sulfate+

The Copper Sulfate Test checks for free iron on stainless steel, verifying passivation effectiveness, a key quality control measure for aerospace safety in components like fasteners.

  • Common Applicable Specifications:
    • AMS 2700
    • MIL-STD-753 Method 102
    • ASTM 967 Practice D
  • NADCAP Specifications:
    • AMS 2700
    • MIL-STD-753 Method 102
    • ASTM 967 Practice D
Vacuum Impregnation+

Vacuum Impregnation seals porosity in castings, preventing fluid leaks, ensuring the integrity of critical aerospace components like engine parts where reliability is paramount.

  • Common Applicable Specifications:
    • MIL-STD-276 (Less pressure test)
Removal of Sulfuric & Chromic Anodizing+

This process includes the chemical removal of previous coatings in addition to mechanical cleaning of the product in accordance with CMMs or SPMs.

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