Quality Metal Finishing Services Since 1969

Silver Plating

Silver Plating provides a coating which is matte-white in appearance. This finish provides good corrosion resistance, but also has the tendency to easily tarnish. Though inferior to gold plating, silver plating provides many of the same characteristics at a more economical price. Silver is a great coating for solderabilty of small parts, it also provides a good coating for parts that require low electrical resistance, and lastly, silver provides great lubricity.

QQ-S-365D is the Federal Standard which covers electrolytic silver plating on various metals.

  • Type I - Matte
  • Type II - Semi-bright
  • Type III - Bright
  • Grade A: Chromate post-treatment to improve tarnish resistance.
  • Grade B: No supplementary treatment.

ASTM-B-700 covers electrolytic silver plating on various metals.

  • Type I - 99.9%
  • Type II - 99.0%
  • Type III - 98.0%
  • Grade A: Matte
  • Grade B: Bright
  • Grade C: Bright - Polished
  • Grade D: Semi-bright
  • Class S: Chromate post-treatment to improve tarnish resistance.
  • Class N: No supplementary treatment.

Brightness of part can depend greatly on surface finish of base material.

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