There are several reasons why you might apply metal finishes to a part in post-production — but longevity and performance rank foremost among them. Whether you want to resistance to wear, prevent corrosion from exposure to chemicals, better conduct or insulate from electrical currents, or simply enhance the look of a finished part, Millcreek Metal Finishing has the solution.
Manganese phosphate coatings are applied to ferrous substrates to improve corrosion resistance and prevent galling. The coating creates a heavy crystalline finish and increases absorption of oil and other lubricants. Projects that require pieces to slide against one another are ideal for manganese phosphate coatings. Millcreek Metal Finishing provides all aspects of a successful phosphate coating including heat treatment, abrasive blasting, coating, and oil lubricant. Note: Manganese phosphate is also known by the trade name Parkerizing or Parco Lubrite. Industries commonly utilizing manganese phosphate: Aerospace Military/ Firearms Oil & Gas Automotive Specifications: MIL-DTL-16232, Type M MIL-STD-171, 5.3.1
Zinc phosphate generally serves as a base on steel for primer coatings and dry film lubricants. The coating is a crystalline structure that enhances adhesion for these painting processes on steel products. Providing both light and heavy coatings, Millcreek Metal Finishing can provide heat treatment, blasting, and additional coating necessary for a successful zinc phosphate finish. Industries Served: Military Aerospace Oil & Gas Specifications: TT-C-490 MIL-DTL-16232, Type Z Class I, IV MIL-STD-171
"Electroplated cadmium is an exceptional coating for corrosive environments. Cadmium is a soft white metal that can be used to coat substrates such as steel, stainless steel, cast iron, copper, etc. The electroplated cadmium serves as a "sacrificial coating" meaning it corrodes before the substrate. In order to enhance the corrosion protection of cadmium, chromate coatings can be applied over the cadmium layer, yielding the characteristic gold color. Additionally, cadmium plating offers enhanced conductivity, low electrical resistance, and superior natural lubricity. Industries Served: Aerospace Military Marine Electronics Specifications: QQ-P-416 SAE-AMS-2400
Gold plating is a method of depositing a thin layer of gold onto the surface of another metal. A layer of barrier metal, usually nickel, is deposited on the substrate before gold plating. This provides a mechanical backing for the gold improving its wear resistance. Gold plating provides a corrosion-resistant yet electrically conductive layer. Industries Served Electronics
Black oxide is a conversion coating for ferrous materials and stainless steel. It is used to add mild corrosion resistance, for appearance, and to minimize light reflection. Maximal corrosion resistance is achieved by adding oil or wax. Millcreek Metal Finishing runs a hot and mid-temperature black oxide process on steel and stainless steel ensuring a dark black finish without smutting. Industries: Military Oil & Gas General Industry Specifications MIL-DTL-13924 AMS 2484
Passivation is a chemical process by which ferrous elements are removed from the surface of stainless steel, providing protection from corrosion. Millcreek Metal Finishing offers nitric acid passivating for all grades of stainless steel. Note: Abrasive blasting can be used before the process to loosen heavy deposits of scale. Specifications: ASTM A 380 AMS 2700 ASTM A 967 QQ-P-35
Dry film lubricants are coatings made up of molybdenum disulfide lubricating agents that, once cured, bond to the surface of the part which reduce galling and seizing and protect against corrosion. This solid film greatly improves wear life of coated parts. Millcreek Metal Finishing offers many pretreatment capabilities, spray and dip application, and provides a range of curing temperatures. Industries Served: Fasteners Aerospace
Electroless nickel plating is a chemical process that deposits an even layer of nickel-phosphorous alloy on the surface of a solid substrate without the use of an electrical current. The electroless process creates an even layer of metal regardless of the geometry of the surface. Electroless nickel provides a high degree of corrosion prevention and lubricity. Millcreek Metal Finishing offers medium phosphorous coatings that are RoHS compliant.
Millcreek Metal Finishing also offers the following services: