Standard Plating and Finishing
This is a list of the plating, finishing, and other services we regularly provide.
We also do specialty and custom jobs. If you do not find your process on our list, please contact our Sales Department (814)-453-7531 or request a quote with specific information about your project. We'd like the opportunity to put our 90-plus years of expertise in anodizing, plating, and polishing to work for you.
You can browse this list alphabetically. You can also search for your process by substrate metal, finish name, finishing effect, or any combination of the three. Just enter the item or items you are searching for in the boxes below and hit the "apply" button.
You can also browse by specification.
Finish Name | Base | Effect | Benefit | Spec |
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Abrasive Blasting - Aluminum Oxide, Glass, or Steel Grit | Cleaning | |||
Alodine (trade name) | Aluminum and Zinc Die Cast; Aluminum Die Casting; Zinc Die Casting | Paint base; Electrical conductivity; Anti-corrosion seal; Yellow | Chromate conversion coatings are also called chemical film coatings, or Alodine or Irridite (trade names) coatings. They produce a very thin protective coating. Used mainly on aluminum or aluminum alloys, chemical conversion coating provides a protective layer against corrosion and can be used as a primer for paint. Extra benefits accrue when the coating is sealed. This coating can be used for protection at the same time when low electrical resistance is needed. Erie Plating provides both hexavalent and trivalent chromate conversion. Trivalent chromate conversion coatings are nontoxic, RoHS-compliant, Nadcap-certified alternative to hexavalent chromate conversion coatings.
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MIL-C-5541/MIL-DTL-5541 Classes 1A & 3, Types 1 and 2; MIL-C-5541; AMS-2473; AMS-2474; AMS-2477; ASTM-B-449 Classes 1, 2, 3, 4 |
Aluminum anodizing | Aluminum; Aluminum Alloys; 2024 Aluminum Alloy; 6062 Aluminum Alloy; 7075 Aluminum Alloy | Type II sulfuric anodizing places aluminum in a sulfuric bath and uses current to build up the aluminum oxide on the and near the metal surface. This process provides corrosion and wear-resistance, and can be used as a base for paint. The specific process will affect the coating thickness, while adding a seal can enhance the protective benefits. |
MIL-A-8625 Type II; Other; Sodium Dichromate, Hot Water, Nickel Acetate, Dichroamate, Duplex seal | |
Aluminum Chromic Anodizing | Aluminum; Aluminum Alloys; 2024 Aluminum Alloy; 6062 Aluminum Alloy; 7075 Aluminum Alloy | Critical Corrosion Protection | Type I Chromic Acid Anodizing passes an electrical flow (anodizing) through a chromic acid solution. This creates a thin aluminum oxide film that is non-reactive, a good primer base, and corrosion-resistant. This is a favored coating for parts undergoing high-stress, such as in the aerospace industry. |
MIL-A-8625 Type I; Other; Dichromate, Sodium dichromate, Hot Water, Nickel Acetate, Duplex seal |
Anodic or Electrolytic polishing | Stainless steel alloys | Electropolishing uses current flow in a chemical bath to smooth a metal surface by removing surface material. It reduces the surface roughness by preferentially eroding micro-peaks. It is used to passivate (make the surface less reactive), and deburr metal parts. The end result is a very clean and smooth finish. |
ASTM-B912 | |
Anodize | Aluminum and aluminum alloys | Creates a thin aluminum oxide film, which preserves and protects Aluminum components. |
various, depending on the type desired | |
Anodize with color | Aluminum and aluminum alloys | Creates a thin aluminum oxide film, which preserves and protects Aluminum components. |
various, depending on the type desired | |
Anodizing on Aluminum | Aluminum; Aluminum Alloys; 2024 Aluminum Alloy; 6062 Aluminum Alloy; 7075 Aluminum Alloy | Critical Corrosion Protection | Type I Chromic Acid Anodizing passes an electrical flow (anodizing) through a chromic acid solution. This creates a thin aluminum oxide film that is non-reactive, a good primer base, and corrosion-resistant. This is a favored coating for parts undergoing high-stress, such as in the aerospace industry. |
MIL-A-8625 Type I; Other; Dichromate, Sodium dichromate, Hot Water, Nickel Acetate, Duplex seal |
Anodizing, Chromic Type I | Aluminum; Aluminum Alloys; 2024 Aluminum Alloy; 6062 Aluminum Alloy; 7075 Aluminum Alloy | Critical Corrosion Protection | Type I Chromic Acid Anodizing passes an electrical flow (anodizing) through a chromic acid solution. This creates a thin aluminum oxide film that is non-reactive, a good primer base, and corrosion-resistant. This is a favored coating for parts undergoing high-stress, such as in the aerospace industry. |
MIL-A-8625 Type I; Other; Dichromate, Sodium dichromate, Hot Water, Nickel Acetate, Duplex seal |
Anodizing, Sulfuric Type II | Aluminum; Aluminum Alloys; 2024 Aluminum Alloy; 6062 Aluminum Alloy; 7075 Aluminum Alloy | Type II sulfuric anodizing places aluminum in a sulfuric bath and uses current to build up the aluminum oxide on the and near the metal surface. This process provides corrosion and wear-resistance, and can be used as a base for paint. The specific process will affect the coating thickness, while adding a seal can enhance the protective benefits. |
MIL-A-8625 Type II; Other; Sodium Dichromate, Hot Water, Nickel Acetate, Dichroamate, Duplex seal | |
Anodizing, Sulfuric with Color, Type II | Aluminum; Aluminum Alloys; 2024 Aluminum Alloy; 6062 Aluminum Alloy; 7075 Aluminum Alloy | Color: black, blue; Dye black; Dye blue | Sulfuric Acid Anodizing with Color provides the same corrosion and abrasion resistance as sulfuric acid anodizing with a color dye finish. |
MIL-A-8625 Type II, Class 2 |
Baking for Hydrogen Embrittlement | Steel | Technical | Hydrogen embrittlement relief uses an industrial oven at a specified temperature to bake the hydrogen out of a part. Excess hydrogen can happen during pre-plating processes such as cleaning and pickling, or during electrolytic plating procedures, and can lead to brittleness and cracking if not removed. |
QQ-N-290; QQ-P-416; QQ-Z-325; AMS-2750 |
Barrel cadmium plating | Castings; Forgings; Steel; Stainless Steel | Clear chromate, silver appearance; Yellow chromate, yellow appearance; Olive drab chromate, olive drab appearance | Cadmium plating provides good protection against rust and corrosion in salt atmospheres and at low thickness, enhanced when it is sealed. It is resistant to mold and bacteria growth, with low electrical resistance and exceptional conductivity. It has favorable compatibility with aluminum to avoid galvanic corrosion. It has natural lubricity (low-friction) properties. |
QQ-P-416 Type 1, 2; AMS-2400; ASTM-B-766; AMS-QQ-P-416; Other |
Barrel Gold Plating | Brass; Copper; Iron; Stainless steel; Nickel alloys | Bright gold; Enhanced durability | Gold plating deposits a thin layer of gold onto the surface of another metal, by chemical or electrochemical plating. With only a thin layer of gold required, it can be cost-effective. Gold has excellent resistance against wear, which can critical for electronic contacts and parts. |
MIL-DTL-45204, Type II, Gr C |
Barrel Nickel Plating | Aluminum; Copper; Zinc; Carbon steel; Stainless steel | Anti-corrosion; Electrical conductivity; Corrosion barrier; Paint masks | Nickel coatings can be very hard and durable, and are often used in applications requiring wear resistance. Nickel has a wide range of properties depending on how it is applied. The nickel layer can be decorative or "bright," provide corrosion resistance, wear resistance, or used to build up worn or undersized parts. It is often used as an undercoating. |
AMS-2403; ASTM-B-689; QQ-N-290; AMS-QQ-N-290 |
Barrel Tin Plating | Steel; Most common metals | Matte dull finish | Barrel Tin finishes have the advantages of good adhesion, good ductility (ability to be deformed), an excellent lubricity (low-friction) surface finish, extended resistance to corrosion and rust, and tough resistance to wear and temperature. |
ASTM-B-545 ; MIL-T-10727 |
Barrel Zinc Plating | Steel; Carbon Steel; Specialty Steel; Exotic Steel; Various | Clear ROHS; Yellow ROHS; Seal with ROHS | Our Barrel Zinc products are RoHS (Restriction of Hazardous Substances) compliant. Hexavalent chromium is the concern with chromate conversion coatings on zinc. The RoHS Directive restricts hexavalent chromium, but does not restrict less hazardous trivalent chromium, which is used in our zinc processing. Zinc trivalent chromate coatings, also called zinc passivation coatings, provide an excellent, inexpensive, attractive finish and good corrosion resistance. |
QQ-Z-325; AMS-2402; ASTM-B-633 |
Bright Nickel Plating | Aluminum; Copper; Zinc; Carbon steel; Stainless steel | Anti-corrosion; Electrical conductivity; Corrosion barrier; Paint masks | Nickel coatings can be very hard and durable, and are often used in applications requiring wear resistance. Nickel has a wide range of properties depending on how it is applied. The nickel layer can be decorative or "bright," provide corrosion resistance, wear resistance, or used to build up worn or undersized parts. It is often used as an undercoating. |
AMS-2403; ASTM-B-689; QQ-N-290; AMS-QQ-N-290 |
Buffing - Polishing | Aluminum; Brass; Steel; Stainless Steel; Zinc | High Visual Cosmetic-Quality Bright Polish; Mirror Polish; Satin or Matte Polish | ||
Cadmium Plating - rack and barrel | Castings; Forgings; Steel; Stainless Steel | Clear chromate, silver appearance; Yellow chromate, yellow appearance; Olive drab chromate, olive drab appearance | Cadmium plating provides good protection against rust and corrosion in salt atmospheres and at low thickness, enhanced when it is sealed. It is resistant to mold and bacteria growth, with low electrical resistance and exceptional conductivity. It has favorable compatibility with aluminum to avoid galvanic corrosion. It has natural lubricity (low-friction) properties. |
QQ-P-416 Type 1, 2; AMS-2400; ASTM-B-766; AMS-QQ-P-416; Other |
carbon steel cadmium plating | Castings; Forgings; Steel; Stainless Steel | Clear chromate, silver appearance; Yellow chromate, yellow appearance; Olive drab chromate, olive drab appearance | Cadmium plating provides good protection against rust and corrosion in salt atmospheres and at low thickness, enhanced when it is sealed. It is resistant to mold and bacteria growth, with low electrical resistance and exceptional conductivity. It has favorable compatibility with aluminum to avoid galvanic corrosion. It has natural lubricity (low-friction) properties. |
QQ-P-416 Type 1, 2; AMS-2400; ASTM-B-766; AMS-QQ-P-416; Other |
Chem Film | Aluminum and Zinc Die Cast; Aluminum Die Casting; Zinc Die Casting | Paint base; Electrical conductivity; Anti-corrosion seal; Yellow | Chromate conversion coatings are also called chemical film coatings, or Alodine or Irridite (trade names) coatings. They produce a very thin protective coating. Used mainly on aluminum or aluminum alloys, chemical conversion coating provides a protective layer against corrosion and can be used as a primer for paint. Extra benefits accrue when the coating is sealed. This coating can be used for protection at the same time when low electrical resistance is needed. Erie Plating provides both hexavalent and trivalent chromate conversion. Trivalent chromate conversion coatings are nontoxic, RoHS-compliant, Nadcap-certified alternative to hexavalent chromate conversion coatings.
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MIL-C-5541/MIL-DTL-5541 Classes 1A & 3, Types 1 and 2; MIL-C-5541; AMS-2473; AMS-2474; AMS-2477; ASTM-B-449 Classes 1, 2, 3, 4 |
Chem Film | Aluminum | Clear seal; RoHS compliant | Environmentally friendly metal finishing solution on aluminum for paint-base and other top-coat solutions. |
MIL-DTL-5541 Type II |
Chemical Conversion Coating – Hexavalent | Aluminum and Zinc Die Cast; Aluminum Die Casting; Zinc Die Casting | Paint base; Electrical conductivity; Anti-corrosion seal; Yellow | Chromate conversion coatings are also called chemical film coatings, or Alodine or Irridite (trade names) coatings. They produce a very thin protective coating. Used mainly on aluminum or aluminum alloys, chemical conversion coating provides a protective layer against corrosion and can be used as a primer for paint. Extra benefits accrue when the coating is sealed. This coating can be used for protection at the same time when low electrical resistance is needed. Erie Plating provides both hexavalent and trivalent chromate conversion. Trivalent chromate conversion coatings are nontoxic, RoHS-compliant, Nadcap-certified alternative to hexavalent chromate conversion coatings.
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MIL-C-5541/MIL-DTL-5541 Classes 1A & 3, Types 1 and 2; MIL-C-5541; AMS-2473; AMS-2474; AMS-2477; ASTM-B-449 Classes 1, 2, 3, 4 |
Chemical Conversion Coating – Trivalent | Aluminum | Clear seal; RoHS compliant | Environmentally friendly metal finishing solution on aluminum for paint-base and other top-coat solutions. |
MIL-DTL-5541 Type II |
Chromate Coating | Aluminum and Zinc Die Cast; Aluminum Die Casting; Zinc Die Casting | Paint base; Electrical conductivity; Anti-corrosion seal; Yellow | Chromate conversion coatings are also called chemical film coatings, or Alodine or Irridite (trade names) coatings. They produce a very thin protective coating. Used mainly on aluminum or aluminum alloys, chemical conversion coating provides a protective layer against corrosion and can be used as a primer for paint. Extra benefits accrue when the coating is sealed. This coating can be used for protection at the same time when low electrical resistance is needed. Erie Plating provides both hexavalent and trivalent chromate conversion. Trivalent chromate conversion coatings are nontoxic, RoHS-compliant, Nadcap-certified alternative to hexavalent chromate conversion coatings.
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MIL-C-5541/MIL-DTL-5541 Classes 1A & 3, Types 1 and 2; MIL-C-5541; AMS-2473; AMS-2474; AMS-2477; ASTM-B-449 Classes 1, 2, 3, 4 |
Chromate Conversion Coating | Aluminum and Zinc Die Cast; Aluminum Die Casting; Zinc Die Casting | Paint base; Electrical conductivity; Anti-corrosion seal; Yellow | Chromate conversion coatings are also called chemical film coatings, or Alodine or Irridite (trade names) coatings. They produce a very thin protective coating. Used mainly on aluminum or aluminum alloys, chemical conversion coating provides a protective layer against corrosion and can be used as a primer for paint. Extra benefits accrue when the coating is sealed. This coating can be used for protection at the same time when low electrical resistance is needed. Erie Plating provides both hexavalent and trivalent chromate conversion. Trivalent chromate conversion coatings are nontoxic, RoHS-compliant, Nadcap-certified alternative to hexavalent chromate conversion coatings.
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MIL-C-5541/MIL-DTL-5541 Classes 1A & 3, Types 1 and 2; MIL-C-5541; AMS-2473; AMS-2474; AMS-2477; ASTM-B-449 Classes 1, 2, 3, 4 |
Chromate Conversion Coating | Aluminum | Clear seal; RoHS compliant | Environmentally friendly metal finishing solution on aluminum for paint-base and other top-coat solutions. |
MIL-DTL-5541 Type II |
Chromate Conversion Zinc | Steel; Carbon Steel; Specialty Steel; Exotic Steel; Various | Clear ROHS; Yellow ROHS; Seal with ROHS | Our Barrel Zinc products are RoHS (Restriction of Hazardous Substances) compliant. Hexavalent chromium is the concern with chromate conversion coatings on zinc. The RoHS Directive restricts hexavalent chromium, but does not restrict less hazardous trivalent chromium, which is used in our zinc processing. Zinc trivalent chromate coatings, also called zinc passivation coatings, provide an excellent, inexpensive, attractive finish and good corrosion resistance. |
QQ-Z-325; AMS-2402; ASTM-B-633 |
Chrome Plating | Aluminum; Brass; Copper; Steel; Stainless steel | High visual cosmetic-quaity Decorative Chrome - Bright; High visual cosmetic-quality Decorative Chrome - Satin | Chrome plating is a cosmetic finish that provides corrosion and abrasion resistance. It is also used for its decorative appearance. Please read our flyer for details. |
AMS-QQ-C-320 Type 1; AMS-2460 |
Chromic Acid Anodizing - Type I | Aluminum; Aluminum Alloys; 2024 Aluminum Alloy; 6062 Aluminum Alloy; 7075 Aluminum Alloy | Critical Corrosion Protection | Type I Chromic Acid Anodizing passes an electrical flow (anodizing) through a chromic acid solution. This creates a thin aluminum oxide film that is non-reactive, a good primer base, and corrosion-resistant. This is a favored coating for parts undergoing high-stress, such as in the aerospace industry. |
MIL-A-8625 Type I; Other; Dichromate, Sodium dichromate, Hot Water, Nickel Acetate, Duplex seal |
Chromic Anodize - Type I | Aluminum and aluminum alloys | Creates a thin aluminum oxide film, which preserves and protects Aluminum components. |
various, depending on the type desired | |
Citric RoHS passivation | Stainless steel; Various Stainless Steel Alloys | Corrosion resistance; Stainless steel passive after cleaning; Special cleaning of stainless surfaces | Passivation is a process to provide a protective coating on metal to make it less reactive to its environment, preventing corrosion. For stainless steel, the problem is free iron on the metal surface. Passivation creates a protective oxide layer to shield the metal surface. |
AMS-QQ-P-35; AMS-2700; QQ-P-35; ASTM-A380; ASTM-A967 |
Cleaning, ultra-sonic | All metalic substrates | Ultra-sonic cleaning removes oils, cutting and machining oils, metal chips and surface contamination prior to metal finishing processing. |
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Clear Passivation Zinc | Steel; Carbon Steel; Specialty Steel; Exotic Steel; Various | Clear ROHS; Yellow ROHS; Seal with ROHS | Our Barrel Zinc products are RoHS (Restriction of Hazardous Substances) compliant. Hexavalent chromium is the concern with chromate conversion coatings on zinc. The RoHS Directive restricts hexavalent chromium, but does not restrict less hazardous trivalent chromium, which is used in our zinc processing. Zinc trivalent chromate coatings, also called zinc passivation coatings, provide an excellent, inexpensive, attractive finish and good corrosion resistance. |
QQ-Z-325; AMS-2402; ASTM-B-633 |
Copper Plating | Aluminum; Brass; Copper; Steel; Stainless steel | Eletrical/conductive; Undercoat; Mask | Copper plating provides surface protection, an electrical conductive surface, and can be used as an undercoat base for copper, nickel, chrome plating, as well as a mask for nitriding. |
MIL-C-14550 ; AMS-2418; ASTM-B-734 |
Decorative Chrome Plating (Copper, Nickel and Chromium) | Aluminum; Brass; Copper; Steel; Stainless steel | High visual cosmetic-quaity Decorative Chrome - Bright; High visual cosmetic-quality Decorative Chrome - Satin | Chrome plating is a cosmetic finish that provides corrosion and abrasion resistance. It is also used for its decorative appearance. Please read our flyer for details. |
AMS-QQ-C-320 Type 1; AMS-2460 |
Electrochemical polishing | Stainless steel alloys | Electropolishing uses current flow in a chemical bath to smooth a metal surface by removing surface material. It reduces the surface roughness by preferentially eroding micro-peaks. It is used to passivate (make the surface less reactive), and deburr metal parts. The end result is a very clean and smooth finish. |
ASTM-B912 | |
Electroless Nickel Plating | Aluminum die-castings; Brass; Steel; Stainless steel | Mid phos 6-9%; Low friction; Bright; Anti-corrosion; Electrical conductivity; Uniform nickel coverage on interior | Electroless nickel plating is used to provide protection from wear and abrasion, resistance against corrosion, and add hardness to parts of all conditions. Each nickel phosphorus alloy coating has particular advantages depending on the application and type of nickel alloy used in the process. |
AMS-2404; AMS-C-26074; ASTM-B-733 |
Electropolishing | Stainless steel alloys | Electropolishing uses current flow in a chemical bath to smooth a metal surface by removing surface material. It reduces the surface roughness by preferentially eroding micro-peaks. It is used to passivate (make the surface less reactive), and deburr metal parts. The end result is a very clean and smooth finish. |
ASTM-B912 | |
Gold Plating - small barrel and rack | Brass; Copper; Iron; Stainless steel; Nickel alloys | Bright gold; Enhanced durability | Gold plating deposits a thin layer of gold onto the surface of another metal, by chemical or electrochemical plating. With only a thin layer of gold required, it can be cost-effective. Gold has excellent resistance against wear, which can critical for electronic contacts and parts. |
MIL-DTL-45204, Type II, Gr C |
Hard Anodize - Type III | Aluminum and aluminum alloys | Creates a thin aluminum oxide film, which preserves and protects Aluminum components. |
various, depending on the type desired | |
Hexavalent Yellow Chromate | Aluminum and Zinc Die Cast; Aluminum Die Casting; Zinc Die Casting | Paint base; Electrical conductivity; Anti-corrosion seal; Yellow | Chromate conversion coatings are also called chemical film coatings, or Alodine or Irridite (trade names) coatings. They produce a very thin protective coating. Used mainly on aluminum or aluminum alloys, chemical conversion coating provides a protective layer against corrosion and can be used as a primer for paint. Extra benefits accrue when the coating is sealed. This coating can be used for protection at the same time when low electrical resistance is needed. Erie Plating provides both hexavalent and trivalent chromate conversion. Trivalent chromate conversion coatings are nontoxic, RoHS-compliant, Nadcap-certified alternative to hexavalent chromate conversion coatings.
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MIL-C-5541/MIL-DTL-5541 Classes 1A & 3, Types 1 and 2; MIL-C-5541; AMS-2473; AMS-2474; AMS-2477; ASTM-B-449 Classes 1, 2, 3, 4 |
High Cosmetic Quality Chrome Plating | Aluminum; Brass; Copper; Steel; Stainless steel | High visual cosmetic-quaity Decorative Chrome - Bright; High visual cosmetic-quality Decorative Chrome - Satin | Chrome plating is a cosmetic finish that provides corrosion and abrasion resistance. It is also used for its decorative appearance. Please read our flyer for details. |
AMS-QQ-C-320 Type 1; AMS-2460 |
High Cosmetic Quality Polishing | Aluminum; Brass; Copper; Steel; Stainless steel | High visual cosmetic-quaity Decorative Chrome - Bright; High visual cosmetic-quality Decorative Chrome - Satin | Chrome plating is a cosmetic finish that provides corrosion and abrasion resistance. It is also used for its decorative appearance. Please read our flyer for details. |
AMS-QQ-C-320 Type 1; AMS-2460 |
Humidity Testing | ||||
Iridite (trade name) | Aluminum and Zinc Die Cast; Aluminum Die Casting; Zinc Die Casting | Paint base; Electrical conductivity; Anti-corrosion seal; Yellow | Chromate conversion coatings are also called chemical film coatings, or Alodine or Irridite (trade names) coatings. They produce a very thin protective coating. Used mainly on aluminum or aluminum alloys, chemical conversion coating provides a protective layer against corrosion and can be used as a primer for paint. Extra benefits accrue when the coating is sealed. This coating can be used for protection at the same time when low electrical resistance is needed. Erie Plating provides both hexavalent and trivalent chromate conversion. Trivalent chromate conversion coatings are nontoxic, RoHS-compliant, Nadcap-certified alternative to hexavalent chromate conversion coatings.
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MIL-C-5541/MIL-DTL-5541 Classes 1A & 3, Types 1 and 2; MIL-C-5541; AMS-2473; AMS-2474; AMS-2477; ASTM-B-449 Classes 1, 2, 3, 4 |
Masking for Selective Anodizing and Plating | temporary or permanent | Masking is used in almost all metal finishing application to shield areas of the part from being coated. Holes or threads for bolts, for example, may not need to be finished. Masking can be used to preserve accurate dimensions on precision parts, retain conductivity, or be used when a part needs a complex application of several finishes. |
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Nickel Plating - Barrel | Aluminum; Copper; Zinc; Carbon steel; Stainless steel | Anti-corrosion; Electrical conductivity; Corrosion barrier; Paint masks | Nickel coatings can be very hard and durable, and are often used in applications requiring wear resistance. Nickel has a wide range of properties depending on how it is applied. The nickel layer can be decorative or "bright," provide corrosion resistance, wear resistance, or used to build up worn or undersized parts. It is often used as an undercoating. |
AMS-2403; ASTM-B-689; QQ-N-290; AMS-QQ-N-290 |
Non-Destructive Testing | X-ray thickness testing, or XRF, is a non-destructive way to test the thickness of a coating. When bombarded with X-rays, secondary rays (fluorescent rays) are emitted from the metal. The strength of these rays can determine the coating thickness. |
ASTM-B-568 | ||
Pangborn Blasting | Pangborn is a company name. Its shot blasting equipment and solutions reduce costly inefficiencies by eliminating multiple blast cycles, and excessive abrasive consumption. |
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Passivation, nitric and citric | Stainless steel; Various Stainless Steel Alloys | Corrosion resistance; Stainless steel passive after cleaning; Special cleaning of stainless surfaces | Passivation is a process to provide a protective coating on metal to make it less reactive to its environment, preventing corrosion. For stainless steel, the problem is free iron on the metal surface. Passivation creates a protective oxide layer to shield the metal surface. |
AMS-QQ-P-35; AMS-2700; QQ-P-35; ASTM-A380; ASTM-A967 |
Plating | Wrought or cast brass; Aluminum; Copper; Zinc; Carbon; Stainless steel | Plating is adding a surface covering to metal using a chemical or electrochemical process. Plating in industry is used to protect against corrosion, increase resistance to wear, change electrical conductivity, reduce friction, improve the adherence of paint or other coatings, and for other desirable purposes. Plating is used to decorate objects, such as decorative chrome, and jewelry is often plated to give a silver or gold finish. |
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Polishing | Aluminum; Brass; Steel; Stainless Steel; Zinc | Bright; Mirror; Satin | Polishing enhances appearance, prevents contamination, removes oxidation, creates a reflective surface, as well as deterring corrosion. Over time, metal surfaces can tarnish due to contact with the oxygen in the air (oxidation), or in the case of sterling silver, contact with other contaminants. |
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Rack cadmium plating | Castings; Forgings; Steel; Stainless Steel | Clear chromate, silver appearance; Yellow chromate, yellow appearance; Olive drab chromate, olive drab appearance | Cadmium plating provides good protection against rust and corrosion in salt atmospheres and at low thickness, enhanced when it is sealed. It is resistant to mold and bacteria growth, with low electrical resistance and exceptional conductivity. It has favorable compatibility with aluminum to avoid galvanic corrosion. It has natural lubricity (low-friction) properties. |
QQ-P-416 Type 1, 2; AMS-2400; ASTM-B-766; AMS-QQ-P-416; Other |
Rack Gold Plating | Brass; Copper; Iron; Stainless steel; Nickel alloys | Bright gold; Enhanced durability | Gold plating deposits a thin layer of gold onto the surface of another metal, by chemical or electrochemical plating. With only a thin layer of gold required, it can be cost-effective. Gold has excellent resistance against wear, which can critical for electronic contacts and parts. |
MIL-DTL-45204, Type II, Gr C |
ROHS Barrel Zinc | Steel; Carbon Steel; Specialty Steel; Exotic Steel; Various | Clear ROHS; Yellow ROHS; Seal with ROHS | Our Barrel Zinc products are RoHS (Restriction of Hazardous Substances) compliant. Hexavalent chromium is the concern with chromate conversion coatings on zinc. The RoHS Directive restricts hexavalent chromium, but does not restrict less hazardous trivalent chromium, which is used in our zinc processing. Zinc trivalent chromate coatings, also called zinc passivation coatings, provide an excellent, inexpensive, attractive finish and good corrosion resistance. |
QQ-Z-325; AMS-2402; ASTM-B-633 |
Salt Spray Testing | A salt spray test is testing method that uses a saline environment to measure the extended corrosion resistance of metal coatings and paints. |
ASTM-B117 | ||
Soft Anodize | Aluminum and aluminum alloys | Creates a thin aluminum oxide film, which preserves and protects Aluminum components. |
various, depending on the type desired | |
Soft anodizing | Aluminum; Aluminum Alloys; 2024 Aluminum Alloy; 6062 Aluminum Alloy; 7075 Aluminum Alloy | Type II sulfuric anodizing places aluminum in a sulfuric bath and uses current to build up the aluminum oxide on the and near the metal surface. This process provides corrosion and wear-resistance, and can be used as a base for paint. The specific process will affect the coating thickness, while adding a seal can enhance the protective benefits. |
MIL-A-8625 Type II; Other; Sodium Dichromate, Hot Water, Nickel Acetate, Dichroamate, Duplex seal | |
Specialized Chromic Acid Anodize Type I | Aluminum; Aluminum Alloys; 2024 Aluminum Alloy; 6062 Aluminum Alloy; 7075 Aluminum Alloy | Critical Corrosion Protection | Type I Chromic Acid Anodizing passes an electrical flow (anodizing) through a chromic acid solution. This creates a thin aluminum oxide film that is non-reactive, a good primer base, and corrosion-resistant. This is a favored coating for parts undergoing high-stress, such as in the aerospace industry. |
MIL-A-8625 Type I; Other; Dichromate, Sodium dichromate, Hot Water, Nickel Acetate, Duplex seal |
Specialty Anodizing with Color Dye | Aluminum; Aluminum Alloys; 2024 Aluminum Alloy; 6062 Aluminum Alloy; 7075 Aluminum Alloy | Color: black, blue; Dye black; Dye blue | Sulfuric Acid Anodizing with Color provides the same corrosion and abrasion resistance as sulfuric acid anodizing with a color dye finish. |
MIL-A-8625 Type II, Class 2 |
Specialty Electroless Nickel Plating | Aluminum die-castings; Brass; Steel; Stainless steel | Mid phos 6-9%; Low friction; Bright; Anti-corrosion; Electrical conductivity; Uniform nickel coverage on interior | Electroless nickel plating is used to provide protection from wear and abrasion, resistance against corrosion, and add hardness to parts of all conditions. Each nickel phosphorus alloy coating has particular advantages depending on the application and type of nickel alloy used in the process. |
AMS-2404; AMS-C-26074; ASTM-B-733 |
Specialty Passivation finishing on Stainless Steel | Stainless steel; Various Stainless Steel Alloys | Corrosion resistance; Stainless steel passive after cleaning; Special cleaning of stainless surfaces | Passivation is a process to provide a protective coating on metal to make it less reactive to its environment, preventing corrosion. For stainless steel, the problem is free iron on the metal surface. Passivation creates a protective oxide layer to shield the metal surface. |
AMS-QQ-P-35; AMS-2700; QQ-P-35; ASTM-A380; ASTM-A967 |
Specialty Sulfuric Acid Anodizing | Aluminum; Aluminum Alloys; 2024 Aluminum Alloy; 6062 Aluminum Alloy; 7075 Aluminum Alloy | Type II sulfuric anodizing places aluminum in a sulfuric bath and uses current to build up the aluminum oxide on the and near the metal surface. This process provides corrosion and wear-resistance, and can be used as a base for paint. The specific process will affect the coating thickness, while adding a seal can enhance the protective benefits. |
MIL-A-8625 Type II; Other; Sodium Dichromate, Hot Water, Nickel Acetate, Dichroamate, Duplex seal | |
Stainless steel cadmium plating | Castings; Forgings; Steel; Stainless Steel | Clear chromate, silver appearance; Yellow chromate, yellow appearance; Olive drab chromate, olive drab appearance | Cadmium plating provides good protection against rust and corrosion in salt atmospheres and at low thickness, enhanced when it is sealed. It is resistant to mold and bacteria growth, with low electrical resistance and exceptional conductivity. It has favorable compatibility with aluminum to avoid galvanic corrosion. It has natural lubricity (low-friction) properties. |
QQ-P-416 Type 1, 2; AMS-2400; ASTM-B-766; AMS-QQ-P-416; Other |
Stainless steel passivation | Stainless steel; Various Stainless Steel Alloys | Corrosion resistance; Stainless steel passive after cleaning; Special cleaning of stainless surfaces | Passivation is a process to provide a protective coating on metal to make it less reactive to its environment, preventing corrosion. For stainless steel, the problem is free iron on the metal surface. Passivation creates a protective oxide layer to shield the metal surface. |
AMS-QQ-P-35; AMS-2700; QQ-P-35; ASTM-A380; ASTM-A967 |
Sulfuric Acid Anodizing - Type II | Aluminum; Aluminum Alloys; 2024 Aluminum Alloy; 6062 Aluminum Alloy; 7075 Aluminum Alloy | Type II sulfuric anodizing places aluminum in a sulfuric bath and uses current to build up the aluminum oxide on the and near the metal surface. This process provides corrosion and wear-resistance, and can be used as a base for paint. The specific process will affect the coating thickness, while adding a seal can enhance the protective benefits. |
MIL-A-8625 Type II; Other; Sodium Dichromate, Hot Water, Nickel Acetate, Dichroamate, Duplex seal | |
Sulfuric Acid Anodizing with Color - Type II | Aluminum; Aluminum Alloys; 2024 Aluminum Alloy; 6062 Aluminum Alloy; 7075 Aluminum Alloy | Color: black, blue; Dye black; Dye blue | Sulfuric Acid Anodizing with Color provides the same corrosion and abrasion resistance as sulfuric acid anodizing with a color dye finish. |
MIL-A-8625 Type II, Class 2 |
Sulfuric Anodize - Type II | Aluminum and aluminum alloys | Creates a thin aluminum oxide film, which preserves and protects Aluminum components. |
various, depending on the type desired | |
Tin Plating | Steel; Most common metals | Matte dull finish | Barrel Tin finishes have the advantages of good adhesion, good ductility (ability to be deformed), an excellent lubricity (low-friction) surface finish, extended resistance to corrosion and rust, and tough resistance to wear and temperature. |
ASTM-B-545 ; MIL-T-10727 |
Trivalent Chromate Zinc | Steel; Carbon Steel; Specialty Steel; Exotic Steel; Various | Clear ROHS; Yellow ROHS; Seal with ROHS | Our Barrel Zinc products are RoHS (Restriction of Hazardous Substances) compliant. Hexavalent chromium is the concern with chromate conversion coatings on zinc. The RoHS Directive restricts hexavalent chromium, but does not restrict less hazardous trivalent chromium, which is used in our zinc processing. Zinc trivalent chromate coatings, also called zinc passivation coatings, provide an excellent, inexpensive, attractive finish and good corrosion resistance. |
QQ-Z-325; AMS-2402; ASTM-B-633 |
Tumble Burnishing | Tumble burnishing, also called tumble finishing, or just tumbling, is placing metal parts in a barrel with an abrasive media and rotating the barrel. Sometimes called barrel finishing, tumbling can smooth, deburr, clean and polish metal parts. The same process in nature produces "sea glass." |
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Type II Color Anodizing | Aluminum; Aluminum Alloys; 2024 Aluminum Alloy; 6062 Aluminum Alloy; 7075 Aluminum Alloy | Color: black, blue; Dye black; Dye blue | Sulfuric Acid Anodizing with Color provides the same corrosion and abrasion resistance as sulfuric acid anodizing with a color dye finish. |
MIL-A-8625 Type II, Class 2 |
USG Anodizing | Aluminum; Aluminum Alloys; 2024 Aluminum Alloy; 6062 Aluminum Alloy; 7075 Aluminum Alloy | Critical Corrosion Protection | Type I Chromic Acid Anodizing passes an electrical flow (anodizing) through a chromic acid solution. This creates a thin aluminum oxide film that is non-reactive, a good primer base, and corrosion-resistant. This is a favored coating for parts undergoing high-stress, such as in the aerospace industry. |
MIL-A-8625 Type I; Other; Dichromate, Sodium dichromate, Hot Water, Nickel Acetate, Duplex seal |
USG cadmium plating | Castings; Forgings; Steel; Stainless Steel | Clear chromate, silver appearance; Yellow chromate, yellow appearance; Olive drab chromate, olive drab appearance | Cadmium plating provides good protection against rust and corrosion in salt atmospheres and at low thickness, enhanced when it is sealed. It is resistant to mold and bacteria growth, with low electrical resistance and exceptional conductivity. It has favorable compatibility with aluminum to avoid galvanic corrosion. It has natural lubricity (low-friction) properties. |
QQ-P-416 Type 1, 2; AMS-2400; ASTM-B-766; AMS-QQ-P-416; Other |
Vibratory Finishing | Vibaratory Finishing involves putting material, called the media, in a container with metal parts, and vibrating the container. The interaction of the material and metal parts deburrs, cleans, and smooths the metal parts. |
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X-Ray Thickness (NDT) Testing | X-ray thickness testing, or XRF, is a non-destructive way to test the thickness of a coating. When bombarded with X-rays, secondary rays (fluorescent rays) are emitted from the metal. The strength of these rays can determine the coating thickness. |
ASTM-B-568 | ||
Yellow Passivation Zinc | Steel; Carbon Steel; Specialty Steel; Exotic Steel; Various | Clear ROHS; Yellow ROHS; Seal with ROHS | Our Barrel Zinc products are RoHS (Restriction of Hazardous Substances) compliant. Hexavalent chromium is the concern with chromate conversion coatings on zinc. The RoHS Directive restricts hexavalent chromium, but does not restrict less hazardous trivalent chromium, which is used in our zinc processing. Zinc trivalent chromate coatings, also called zinc passivation coatings, provide an excellent, inexpensive, attractive finish and good corrosion resistance. |
QQ-Z-325; AMS-2402; ASTM-B-633 |
Zinc Plating - Barrel | Steel; Carbon Steel; Specialty Steel; Exotic Steel; Various | Clear ROHS; Yellow ROHS; Seal with ROHS | Our Barrel Zinc products are RoHS (Restriction of Hazardous Substances) compliant. Hexavalent chromium is the concern with chromate conversion coatings on zinc. The RoHS Directive restricts hexavalent chromium, but does not restrict less hazardous trivalent chromium, which is used in our zinc processing. Zinc trivalent chromate coatings, also called zinc passivation coatings, provide an excellent, inexpensive, attractive finish and good corrosion resistance. |
QQ-Z-325; AMS-2402; ASTM-B-633 |
Zinc Yellow Chromate | Steel; Carbon Steel; Specialty Steel; Exotic Steel; Various | Clear ROHS; Yellow ROHS; Seal with ROHS | Our Barrel Zinc products are RoHS (Restriction of Hazardous Substances) compliant. Hexavalent chromium is the concern with chromate conversion coatings on zinc. The RoHS Directive restricts hexavalent chromium, but does not restrict less hazardous trivalent chromium, which is used in our zinc processing. Zinc trivalent chromate coatings, also called zinc passivation coatings, provide an excellent, inexpensive, attractive finish and good corrosion resistance. |
QQ-Z-325; AMS-2402; ASTM-B-633 |
Zinc Yellow Trivalent Chromate | Steel; Carbon Steel; Specialty Steel; Exotic Steel; Various | Clear ROHS; Yellow ROHS; Seal with ROHS | Our Barrel Zinc products are RoHS (Restriction of Hazardous Substances) compliant. Hexavalent chromium is the concern with chromate conversion coatings on zinc. The RoHS Directive restricts hexavalent chromium, but does not restrict less hazardous trivalent chromium, which is used in our zinc processing. Zinc trivalent chromate coatings, also called zinc passivation coatings, provide an excellent, inexpensive, attractive finish and good corrosion resistance. |
QQ-Z-325; AMS-2402; ASTM-B-633 |