CTL's Coating Processes & Specifications

Industrial and Aerospace Metal Finishes

Electroless Nickel / PTFE

  • AMS 2454
  • GPS 3117-1
  • M7019883
  • HP4-90
  • EMS 52545
  • P.S. 10-27
  • 70B995447

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NP3

  • AMS 2454
  • GPS 3117-1
  • M7019883
  • HP4-90
  • EMS 52545
  • P.S. 10-27
  • 70B995447

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Electroless Nickel Plating

  • AMS 2404
  • MIL-C-26074
  • AMS-C-26074
  • ASTM B733
  • GPS 3108-1
  • M695215
  • HP4-10

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Gold Plating

  • MIL-DTL-45204

  • ASTM-B488

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Black Oxide

  • AMS 2485
  • MIL-DTL-13924; Class 1, Class 4
  • M690330
  • HP4-50; Class 1, Class 4
  • EPB4-230 FINISH 33, 42
  • MIL-STD-171 Finish No.: 3.3.1; 3.3.4

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Zinc & Manganese Phosphate

  • MIL-DTL-16232

  • MIL-STD-171 FINISH 5.3.1 AND 5.3.2

  • HP4-7

  • EPB4-230 FINISH 29, 30, 31, 32

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Passivation of Stainless Steel

  • AMS 2700
  • AMS-QQ-P-35
  • QQ-P-35
  • ASTM A967/967M-17
  • ASTM A380/A380M-17
  • GPS3000-1

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Thermal Treatment

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Blast Finishing

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