Silver Finish QQ-S-365D Specification

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QQ-S-365D, FEDERAL SPECIFICATION: SILVER PLATING, ELECTRODEPOSITED, GENERAL REQUIREMENTS FOR (03 JUN 1985) [S/S BY ASTM-B700]., This specification covers the requirements for electrodeposited silver plate.

White to very bright in appearance. Good corrosion resistance, depending on base metal. Will tarnish easily. Hardness varies from about 90 Brinnell to about 135 Brinnell depending on process and plating conditions. Solderability is excellent, but decreases with age. Best electrical conductor.

0.0005" min. unless otherwise specified Increasing use in both decorative and engineering fields, including electrical and electronic fields.

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

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