Zinc Nickel – Coming Soon

Specifications

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ASTM B 841

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AMS 2417

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ISO 4527

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Most Company Specifications

Capabilities

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Precise plating thickness: .00012 - .0025 inches.

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Hardness from 48 - 52 Rockewell C (up to 64 Rc with heat treating)

Substrates

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Brass

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High Alloy Steel

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Aluminum

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Cast Iron

Zinc-Nickel Plating

Plated Zinc-Nickel is a durable, highly corrosion resistant coating that was developed in part as a replacement for Cadmium Plating. It is used in the protection of steel, cast iron, copper, brass and bronze. Zinc-Nickel is recognized as an environmentally safe alternative to cadmium electroplating. In specific applications, Zinc-Nickel demonstrates equivalent, or better, corrosion properties when compared to cadmium. Zinc-Nickel is normally applied for corrosion protection purposes, and functions as a “sacrificial coating”, corroding before the base material. Zinc-Nickel can also replace cadmium in galvanic interaction applications where the coating is intended to minimize corrosion caused by the interaction of dissimilar metals.

Specifications

AMS 2417 Plating, Zinc-Nickel Alloy (SAE International)

  • Type 1 – As plated without supplementary treatment, service temperature 500 Degrees F(260 C) max
  • Type 2 – As plated with supplementary chromate treatment
    • Grade A – Hexavalent chromate treatment, service temperature 250 F max
    • Grade B – Trivalent chromate treatment, service temperature 375 F max
  • Type 3 – As plated with supplementary phosphate treatment (Prime & Paint Base), Service temperature 375 F max
  • NOTES:  
    • Unless a type is specified, Type 2 shall be supplied
    • For Type 2 Plating, if no grade is specified, Grade A shall be supplied

ASTM B841 Electrodeposited Coatings of Zinc Nickel Alloy Deposits

  • Class 1 – Deposit having a minimum of 5 and maximum of 12 mass % Nickel, with balance as zinc
    • Type A – Colorless (blue bright) conversion coating
    • Type B – Yellow iridescent conversion coating
    • Type C – Bronze conversion coating
    • Type D – Black conversion coating
    • Type E – Any of the above plus an organic topcoat
  • Thickness Grades
    • Grade 5 – Minimum 5 microns thick
    • Grade 8 – Minimum 8 microns thick
    • Grade 10 – Minimum 10 microns thick

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