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Anodize
Electroless Nickel(EN)
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Electro-Polish

Electro-Polish 
Electro-Polish
400 Heat Treated Stainless Steel, 300 Series Stainless Steel, Aluminum, Steel, Copper, Nickel, and Cobalt alloys. 


  • Stainless steel 300 and 400
  • Heat-Treated Stainless Steel 400 series
  • Cobalt and Nickel Alloys
  • Copper Alloys, Carbon Steel, Copper & Aluminum

Techmetals offers electropolishing (EP) and TM-BioBrite (medical grade validated electropolishing EP) which can be performed on a variety of different metals; 300 SS, 17-4 SS, 400 SS, Copper Alloys, Nickel alloy, Cobalt alloys, Low Carbon Steels, Aluminum Alloys, and other Precipitating Hardening Grades of Stainless steel. As part of Techmetals Inc.’s commitment superior quality all of our electropolish processes are validated for processing. An on site research and develop facility allows Techmetals to tailor our electropolishing to specific customer and parts needs; this allows for new Electropolish processes and specialty procedures to be developed upon customer request. For a list of available medical processes at Techmetals follow the link to our Medical Process Reference Guide.pdf.

Electropolishing is an electrochemical etching and passivation process that is used to deburr, smooth, and brighten parts. Electrolytic reactions cause ionic conduction resulting in the removal of metal particles from parts. Metal dissolution reactions with the electrolyte form a viscous resistive layer film at the surface of the metal; the viscous layer is thicker over the valleys than over the peaks of the surface. This causes deburring, smoothing, and brightening by removal of material from the peaks and leveling the surface. Electropolishing is typically used in industries for de-burring of tools/ equipment, visual enhancement, passivation, improved corrosion resistance, surface inspection, and for functionality purposes. 

Before After
Before - Burrs present After- Burrs Removed

Read more detail  about Electro Polishing and BioBrite Validated Medical Electro Polishing 


Passivate 

Passivate
Most common material to passivate is 300 series or 17-4 series type stainless steel. This process is done to clean impurities and other oxides from the material surface to help sterilize, sanitize, or clean the exposed surface.

Listed are the most common spec type processes that are used for this process, depending on customer, application, or industry.
  • ASTM-380
  • ASTM-967
  • Mil STD 808
  • QQ-P-35
  • SAE-AMS-2700 
        

  • ASTM A 967 Citric Passivate
  • MIL-S-5002
  • SAE & AMS QQ-P-35
  • MIL-STD-808A
  • MIL-F-14072D (ER)
  • ASTM -A380

Techmetals offers a variety of passivation options. Techmetals passivation processes can meet standards for ASTM A967, ASTM A380, ASTM F86, ASTM B600, ASTM B912, MIL STD 808, SAE AMS 2700, SAE AMS QQ-P-35, and most customer specification requirements as well.

Passivation is a chemical treatment on metallic surfaces for cleaning and added corrosion protection. The purpose of passivation is for the removal of “free iron” and other exogenous foreign material from a metallic surface. During passivation a thin transparent oxide layer is formed on the metallic surface .This oxide layer is a protective surface film that inhibits chemical and atmospheric corrosion. Passivation is primarily applied to stainless steels and titanium; however other metals can be passivated either by chemical treatments or other means.

No passivation job is too large for Techmetals. Our large 2,400 gallon and 1,300 gallon tanks can process parts up to 15 feet long with a 10,000 lb load capacity. If a job is too large for our current capacity our team of skilled engineers can design a custom process to meet your needs.



Read more detail  about Passivation and Medapass Validated Medical Passivation 

P.O. Box 1266 - Dayton, OH 45401-1266 PHONE: 937-253-5311 - FAX: 937-253-5096 info@techmetals.com  
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