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MIL-G-45204C, (GOLD)
Gold is by far the most popular plating metal. Functional, practical, effective. Superior corrosion resistance, spectacular
aesthetics. Yellow to orange color depending on proprietary process used. Will range from matte to bright finish depending on basis metal. Good corrosion resistance, and
has high tarnish resistance. Provides a low contact resistance, and is a good conductor. Has excellent
solder-ability. Unless otherwise specified, an intermediate nickel
plate is required on copper base alloys or copper plated surfaces prior to the gold plating.
Type I 99.7% gold min.
Type II 99.0% gold min.
Type III 99.9% gold min.
Class 00 .00002" min.Grade A 90 Knoop max.
Class 0 .00003" min.Grade B 91-129 Knoop
Class 1 .00005" min.Grade C 130 - 200 Knoop
Class 2 .00010" min.Grade D above 200 Knoop
Class 3 .00020" min.
Class 4 .00030" min. Type I (Grades A, B or C)
Class 5 .00050" min. Type II (Grade B, C or D)
Class 6 .00150" min.Type III (Grade A only)
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