Elite Metal Finishing Logo

3430 Galaxy Place
Oxnard, CA 93030
Phone: (805) 983-4320

Elite Metal Finishing Processes

Facility Capabilities

It is our policy that all parts processed at Elite Metal Finishing, LLC will be exactly as our customer requests and that our quality meets or exceeds any standard asked of us.

 

Tank Type Tank Length Tank Width Tank Height Solution Depth
Caustic Etch96"36"36"31.5"
Anodize Type II144"45"54"51"
Anodize Type III96"45"55"52"
Titanium Anodize84"30"44"40"
Chromic Acid Anodize72"36"42"36"
Phosphoric Acid Anodize22"72"40"37"
Gold Chem Film72"36"36"32"
Clear Chem Film23.5"29"36"33"
RoHS Chem Film29"29"36"33"
Black Dye96"36"36"33"
Grey Dye29.5"29.5"35.5"31"
Red Dye29.5"29.5"35.5"31"
Blue Dye29.5"29.5"41"36"
Gold Dye29.5"29.5"41"36"
Teflon Impregnation28"28"40"36"
Passivate II22"27"34.5"30"
Passivate VIII22"27"34.5"30"
Passivate VI47"36"36"34"
FPL Etch120"16"55"50"
Nickel Acetate Seal96"36"36"32"
Sulfamate Nickel30"30"36"32"
E/N PTFE26"30"36"32"
Electrocleaner96"36"36"32"
E/N High Phos36"26"39"34"
E/N Mid Phos36"26"39"34"
E/N Mid Phos32"40"44"41"
Zinc Phosphate30"30"35"31"
Ultrasonic Cleaner33"24"32"28"

 

Elite Metal Finishing, LLC is in business to provide to its customers superior service and exceptional quality at a fair and equitable price. Processes and technologies are continually being added and/or improved in order to aid our customers' needs and meet the high standard of the Aerospace and Manufacturing industries.

Anodize

Anodizing is an electrochemical process that transforms the metal surface into a durable, corrosion-resistant, decorative, anodic oxide finish. While aluminum is ideally suited to anodizing, other nonferrous metals, such as titanium and magnesium can also be anodized. The anodizing process requires the immersion of the aluminum (or other metals) into an electrolyte bath and passing an electric current through the medium. The resultant coating produced is both extremely tough and wear resistant making anodizing an ideal choice for use in high traffic areas where durability is required. The anodizing process resists the effects of time, corrosion, humidity, temperature and warping. Elite Metal Finishing offers anodizing in the following variations:

 

Chromic Acid Anodizing This is a process that is most commonly used for corrosion protection and is an excellent foundation for paint. It is not recommend for color anodizing.

  • Type I – Conventional
  • Type IB – Low voltage method

Sulfuric Acid Anodizing This process is by far the most popular form of anodizing and it offers a wide range of finish thicknesses. It also readily accepts permanent color dyes offers moderate corrosion and abrasion resistance.

  • Type II – Conventional
  • Type IIB – For use as a non-chromate alternative for Type I and IB coatings
  • Type III – Hard Anodize
  • Class 1 – Non-dyed
  • Class 2 – Dyed – Available colors – Black, grey, blue, gold and red. Other colors available on request for small quantities – orange, green, violet, brown, yellow and olive drab.

PTFE Impregnated Anodizing This process provides the dense, hard protection of a Type III hard coat anodizing coupled with the excellent dry lubrication that PTFE provides.

Titanium Anodizing This process provides anti-galling and wear resistance properties to titanium parts. The coating causes minimal dimensional change.

Phosphoric Acid Anodizing This process, was initially developed by the Boeing Company to improve bond reliability for “metal-bond” structure parts. It substantially improves performance in high-humidity environments. Excellent pre-treatment for paint as well.

Chem Film

Chem Film Coatings, (also known as Chromate Conversion, Alodine or Iridite) are a chemical conversion coating that is used to passivate aluminum. It is intended to improve adhesion of paint finishes and other coatings, as a corrosion inhibitor, providing less corrosion resistance than other finishes such as anodizing. It also serves as a base for organic coatings while leaving dimensions unchanged. The most commonly referred–to-standard for applying chromate conversion coatings to aluminum is MIL-DTL 5541. Chromate conversion coatings are easily recognized by their distinctively greenish-yellow color on gold chem film and no color for clear chem film.

 

Elite Metal Finishing provides Chem Film Coatings in three variations:

  • Type I Gold (Class 1A and Class 3)
  • Type I Clear (Class 3)
  • Type II RoHS Compliant (Class 1A and Class 3)

 

Advantages of Chem Film Coatings:

  • They provide valuable properties that extend the service life of parts
  • Minimal surface oxidation of aluminum parts
  • Conversion coatings are both cost efficient and economical
  • It is an ideal “surface treatment” for paint adhesion and other coatings
  • Does not change part dimensions

Electroless Nickel

Electroless nickel, or EN for short, is a chemical process that deposits a protective coating of a nickel phosphorous alloy onto the object’s surface. Electroless nickel plating does not, unlike electroplating, require any electricity. Rather, the nickel is deposited onto the surface metal via an autocatalytic process which deposits the coating in a uniform density to the surface being plated regardless of the item’s shape. The electroless nickel coating can be applied on steel, iron, copper, brass, zincated aluminum and copper alloys and helps protect the object from wear and tear as well as chemical corrosion or oxidation.

 

Elite Metal Finishing offers Electroless Nickel Plating in three variations:

  • PTFE Impregnated Electroless Nickel
  • Mis Phosphorous Electroless Nickel
  • High Phosphorous Electroless Nickel

 

Advantages of Electroless Nickel Plating:

  • Uniformity of coating ensures all areas are covered evenly
  • Wear and tear resistance
  • High hardness factor (if baked for hardness)
  • Corrosion and chemical resistance

Electrolytic Nickel Plating

Electrolytic nickel plating is a process that utilizes an electrical current in a chemical bath to form a consistent metal coating on a part to change its surface properties. Because the properties of nickel can be controlled and varied over broad ranges, there are numerous applications for nickel plating. Sulfamate nickel is the most widely used electrolytic nickel. It is often used as a final plating layer and also as an underplate for precious metals. Sulfamate nickel provides the lowest hardness, lowest internal stress and highest ductility of all the nickel plating systems.

 

Elite Metal Finishing’s Electrolytic Nickel process is available in:

  • Sulfamate Nickel
  • Class II

 

Advantages of Electrolytic Nickel Plating are:

  • Abrasion resistance
  • Corrosion resistance
  • Ductility
  • Low co-efficient of thermal expansion

Zinc Phosphate Coatings

Zinc Phosphate coatings serve as a base for organic coatings. This coating possesses a large crystalline structure, and as such, it is an excellent medium for holding oil and waxes. In addition, it forms a tightly adherent coating with the base metal, which in turn, makes for an excellent base for paints and other materials. A Zinc Phosphate treatment provides a uniform coating that is particularly suitable for rust proofing items with small holes or recesses and threaded features. Furthermore, it also vastly improves lubricity and provides substantial corrosion protection by bonding the final finish of wax, oil, paint or stain to the treated items.

 

Elite Metal Finishing provides Zinc Phosphate Coatings in two variations:

  • Light – TT-C-490 / Type I and Type V (pre-treatment for paint)
  • Heavy – MIL-DTL-16232 / Type Z – Class 1, 2, 3 (with or without supplementary oil)

 

Advantages of Zinc Phosphate Coatings:

  • It provides an excellent paint or solid film lubricant resin bonding
  • Improves corrosion protection by providing a good base for absorbing and retaining rust preventing materials
  • The finish does not chip, flake or peel
  • Reduces damage from galling

Passivation

The Passivation process purifies and improves the corrosion resistance of stainless steel by forming a thin monomolecular transparent oxide film. During the process, surface contaminants, created when stainless steel is machined and fabricated are removed. If allowed to remain, these contaminants could result in premature corrosion, which will ultimately damage the component. Passivation requires a two-step process; the first step is a complete and thorough cleaning which will remove all lubricants, greases, cutting fluids, oils and any other organic or metallic remnants. Second, the stainless steel parts are immersed in an acid solution of either, Nitric Acid or Citric Acid. Our technicians are trained to carefully control the process which is essential to ensure quality passivation. Those controls include bath time, bath temperature, solution concentration and water purity.

 

Elite Metal Finishing’s passivation process is available in two methods

  • Method 1 - Nitric Acid
  • Method 2 – Citric Acid

 

Advantages of Passivation:

  • A smooth and uniform finish
  • Improved corrosion resistance
  • Extended product life

Dry Film Lubrication

Dry film lubrication is a process whereby high performance coatings consisting of fine particles of lubricating agents are blended with special binders and additives. Once cured, these lubricating agents bond to the surface of the part as a solid film. It lowers friction, reduces seizing/galling and protects against corrosion. Dry film lubrication significantly increases the wear life of coated parts and is less susceptible to accumulating minute dust and/or soil particles. In addition, the process produces a coating, which in some cases, is self-burnishing leading to improved performance over time.

Types of Lubricant:

  • Graphite
  • MOS 2
  • Tungsten Dry Sulfide IDE
  • PTFE

Paint, Primers & Adhesive Primers

Paint: By definition, paint is a material used as a coating to protect and/or decorate a surface. When dried, it forms a hard coating. Painting and bonding aluminum is especially important in the aerospace industry.

 

Primer: By definition, primer is a substance used in preparation for paint or a top coat. Most, but not all, metals require some type of primer for protection against the elements, especially moisture. Metal primers include added substances to protect against corrosion.

 

Adhesive Primers / BR-127: By definition, adhesive primers are intended to help enhance the bond strengths of metal, primarily aluminum. Such primers can prevent hydrolysis of oxide layers, Improve hydrolytic stability at the adhesive to metal interface, and protect prepared surfaces from further oxidation. Properly prepared/primed surfaces have an indefinite shelf-life, allowing convenient bond scheduling. Permanently bonding various substrates can be an extremely difficult job. However, by using an adhesive primer high strength bonds can be easily and quickly achieved. Lap-shear and T-peel testing is performed “in-house” to validate the quality of applied adhesive primers.

 

Powder Coat: A robust coating which is applied electrostatically to a properly prepared base material, and then oven cured so that the particles melt/flow into a permanent protective skin. Typically this coatings is harder and more durable than standard “wet paint.”

 

Elite Metal Finishing prides itself on providing our customers with the very best in paints, primers and adhesive primers. We carry a wide array of paints and primers from manufacturers such as Sherwin-Williams, Dupont, PPG Aerospace, Cytec, Cardinal, Akzo Nobel, Lord Corporation Aeroglaze, Transchem, Everlube, and others.

 

Our team of expert paint technicians looks after every detail to ensure that the job is handled correctly and completed on time.

Non-Destructive Testing

Non-destructive testing, or NDT, refers to a set of inspection methods use to analyze and evaluate the soundness of a material, without causing any damage to the item being inspected.

 

Elite Metal Finishing has an on-site laboratory to conduct non-destructive testing. Our NDT operators are certified in Magnetic Particle Inspection and Liquid Penetrant Inspection testing, all of which are conducted in-house.

 

Magnetic Particle Inspection is used for locating stringers, indications, inclusions and discontinuities on the surface and subsurface in ferromagnetic objects. The test can be used on a wide variety of materials, as well as various shapes and sizes. It is also an extremely economical type of testing that provides almost instantaneous results.

 

Pre-Penetrant Etching is a very light etching process used to remove traces of smeared metal introduced during previous processes, or light oxide layers that may have been formed. The Pre-Penetrant Etch assists in revealing discrepant conditions that would otherwise have been masked. Performance of pre-penetrant etching is driven by specification and/or customer requirements.

 

Magnetic Particle Inspection procedures are in compliance with: ASTM E 1444, AC7114-2, BPS 4075, DPS 4.704, PS 21201, BAC 5424.

 

Fluorescent Liquid Penetrant Inspection is appropriate for finding discontinuities that are open to the surface, such as seams, porosity, shrinkage, weldment flaws, cracks and more. It is a popular method of testing, due in part, to its low cost. It too can be used on wide array of materials, as well as different sizes and shapes. The fluorescent dyes used are capable of entering minute defects that would not normally be detectable by the human eye.

Fluorescent Liquid Penetrant Inspection procedures are in compliance with; ASTM E 1417, AC7114-1, BPS 4089, DPS 4.707, PRC-6506, PS 21202, STP53-201, ACS-PRS-7005, BAC 5423.

On-Site Laboratory Testing

Elite Metal Finishing offers our clients a wide range of testing to meet their individual needs.

 

Salt Spray Test: Accelerated corrosion test that produces a corrosive attack to the coated metals in order to predict its suitability in use as a protective finish.

 

Water Immersion Test: Accurate, cost efficient method of testing for corrosion on stainless steel, which involves cycling parts in and out of distilled water

 

Copper Sulfate Test: A validation of the presence of free iron which is usually introduced onto the surface of a part during machining or fabrication process of stainless steel parts.

 

Electrical Resistivity Test: Measuring how strongly the applied coating opposes the flow of electrical current. A low resistivity indicates a material that readily allows the movement of electrical charge. This test can be performed prior to corrosion testing, and then again after test completion in an effort to quality the coatinsg durability.

 

Lap Shear Test: This test is used to verify the shear strength of adhesives for bonding metals when tested on a single-lap-joint specimen.

 

T-Peel Test: This test evaluates the force required to progressively separate two bonded, flexible adherends by means of a T-type specimen. The term “flexible” refers to the ability of the adherend to bend through 90 degrees without breaking or cracking.

 

Micro Hardness Test: Evaluates the relative micro-hardness of a material, particularly for very brittle materials or thin sheets, where only a small indentation may be made for testing purposes.

 

Tape Adhesion Testing: This test method uses pressure sensitive tape to determine the adhesion quality of platings, marking inks or paints, and other materials.

Addtional Sevices

Abrasive Blasting: This process requires a forcibly propelled stream of abrasive material against a surface under high pressure. It can be used to roughen or smooth surfaces clean, remove surface contaminants or prepare surfaces for painting. Elite Metal Finishing utilizes glass beads, aluminum oxide and plastic media and many other media in its abrasive blasting.

 

Ultrasonic Cleaning: This is a process that uses ultrasound and an appropriate cleaning solution to clean items. This process is very effective on parts with small recesses and/or holes.

 

Parts Marking Ink: This process is primarily used for the purpose of part identification. A two-component, catalyzed epoxy marking ink (A-A-56032) is used on metallic or other non-porous surfaces.

 

Laser Engraving: This process utilizes a laser beam to vaporize material to a user-controlled depth, creating a flat surface with a high quality finish. Unlike other engraving applications, laser engraving is a process that is entirely contact-free.

 

Silk Screen Printing: This is a process that can add detailed graphics on a large range of shapes and surfaces. It is quite a versatile printing method because of its affordability and its suitable application on most any metal surface.

Thermal Treatment to 500 degrees F

Process Image

Customer Focused & Continually Improving

New processes and technologies are continually added in an effort to satisfy our customers' needs and to achieve a higher level of quality.
If there is a process or testing requirement that we currently do not provide, feel free to contact us... We will do whatever we can to help.

 

Pickup/Delivery

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  • ©2016 Elite Metal Finishing LLC
  • 3430 Galaxy Place
  • Oxnard CA 93030
  • Phone: 805.983.4320