Military Electroplated Specifications

Spec #
Title
Class
Major Requirements
Application
QQ-N-290
Nickel Plating
A – Decorative
B – Engineering
Stress relief
Embrittlement relief
Adhesion
Elongation
Tensile strength
Corrosion protection
Wear resistance
Abrasion resistance
QQ-C-320
Chromium Plating
A – Corrosion Protection
B – Engineering
Stress relief
Embrittlement relief
Hardness
Porosity
Decorative
Wear resistance
Abrasion resistance
ASTM B 633
Zinc Plate Over Steel
A – 25um thick
B – 13um thick
C – 8um thick
D – 5um thick
Stress relief
Embrittlement relief
Reactivation treatment
Supplementary treatment
Adhesion
Salt Spray
Corrosion protection
QQ-S-365
Silver Plating
A – Mat
B – Semi-bright
C – Bright
Stress relief
Embrittlement relief
Roghness
Solderability
Tarnish resistance
Adhesion
Tensile strength
Soldering
Corrosion protection
Electrical conductivity
QQ-P-416
Cadmium Plating
A – .0005" thick
B – .0003" thick
C – .0002" thick
Stress relief
Embrittlement relief
Supplementary treatment
Adhesion
Salt Spray
Tensile strength
Corrosion protection
Paint base
MIL-L-10727
Tin Plating
Electroplated or
Hot Tin Dipped
A – Electroplated or
B – Hot Tin Dipped
Adhesion
Solderability
Salt Spray
Soldering
Wear resistance
Corrosion protection
Resist case hardening
MIL-L-13808
Lead Plating
A – No Copper Substrate
B – .33 um Copper Substrate
Stress relief
Embrittlement relief
Adhesion
Salt Spray
Corrosion protection
Non-reflectivity
Heat resistance
MIL-C-14538
Black Chromium Plating
None
Stress relief
Embrittlement relief
Salt Spray
Corrosion protection
Non-reflectivity
Heat resistance
MIL-C-14550
Copper Plating
A – .001"-.005" thick
B – .001" thick
C – .0005" thick
D – .0002" thick
E – .0001" thick
Stress relief
Embrittlement relief
Adhesion
Salt Spray
Resist case hardening
Printed circuits
MIL-C-20218
Chromium Plating – Porous
A – Channel
B – Pin Point
C – Intermediate
D – Grit Blast
Porosity
Pitting
Adhesion
Cleanliness
Engine cylinder bores
MIL-C-23422
Chromium Plating
A – Anti-Wear
B – Adhesion
Hardness
Adhesion
Wear resistance
Abrasion resistance
MIL-G-45204
Gold Plating
A – .00002" thick
B – .00003" thick
C – .00005" thick
D – .0001" thick
E – .0002" thick
F – .0003" thick
G – .0005" thick
H – .0015" thick
Stress relief
Embrittlement relief
Hardness
Adhesion
Heat resistance
Solderability
Electrical
Corrosion protection
Soldering
MIL-P-45209
Palladium Plating
None
Stress relief
Embrittlement relief
Adhesion
Tensile strength
Electrical
MIL-L-46064
Lead – Tin Alloy Plating
None
Composition
Stress relief
Embrittlement relief
Adhesion
Bearings
MIL-R-46085
Rhodium Plating
A – .00002" thick
B – .00001" thick
C – .00002" thick
D – .0001" thick
E – .00025" thick
Stress relief
Embrittlement relief
Adhesion
Reflectivity
Mirror surfaces
Anti-galling
Corrosion protection
MIL-P-81728
Tin – Lead Plating
None
Composition
Stress relief
Embrittlement relief
Adhesion
Corrosion protection
Soldering
Printed circuits