MIL-A-8625
Anodizing
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Type I
Type IB
Type IC
Type II
Type IIB
Type III
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Coupon Testing - Monthly
MIL-A-8625 ¶4.3.3.1 requires monthly testing of
anodized panels (test specimens) to confirm that your
process is meeting specification requirements. These
tests include coating weight, corrosion resistance, light
fastness and abrasion resistance. The exact tests and
parameters depend upon the type, class and sealing.
See MIL-A-8625 for details.
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MIL-C-26074
Electroless
Nickel
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Class 1
Class 2
Class 3
Class 4
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Coupon Testing - Quarterly
MIL-C-26074 requires quarterly testing of plated panels
for destructive adhesion (¶ 4.4.1), destructive thickness (¶
4.4.5), and (¶ 3.3.4) corrosion resistance. Datalab
performs these tests on a group of panels prepared
according to the specification. See MIL-C-26074 for
details.
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ASTM B733
Electroless
Nickel
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Type I
Type II
Type III
Type IV
Type V
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Coupon Testing - Monthly
ASTM B733 ¶7.3.1 and ¶7.3.2 require monthly testing of
phosphorus content in the deposit and for
microhardness. Datalab has the equipment and
experience to perform these tests and to keep records of
the results for SPC and audit purposes. Plating porosity
and adhesion are specified as acceptance tests;
however, periodic correlation of in-house results is
encouraged.
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AMS-C-26074
Electroless
Nickel
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Class 1
Class 2
Class 3
Class 4
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Coupon Testing - Monthly
AMS-C-26074 ¶4.4.2: requires monthly testing for
hydrogen embrittlement per ASTM F 519; ¶4.4.4:
requires monthly testing for plating hardness; Datalab
can perform these required tests and report results.
Coupon Testing - Quarterly
AMS-C-26074 ¶4.4.5: requires a quarterly destructive
thickness test to be compared with non-destructive
acceptance test method; ¶3.3.4: Grade A coatings
(exceeding 1 mil thickness) require corrosion resistance
testing per ASTM B 117 if the plated material is
hardened steel (>Rockwell C40); Datalab can perform
these tests for you and report results.
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AMS 2404
Electroless
Nickel
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Class 1
Class 2
Class 3
Class 4
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Coupon Testing - Monthly
AMS 2404 ¶3.4.3 requires monthly testing for corrosion
resistance, ¶3.4.4 requires testing for plating hardness,
¶3.4.5 requires testing for hydrogen embrittlement,
¶3.4.6 requires testing for internal stress and ¶3.4.7
requires testing for phosphorus content.
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FED QQ-N-290
Nickel Plating
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Class 1
Class 2
SB
SD
M
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Coupon Testing - Monthly
FED QQ-N-290 ¶4.4.3 requires plated panels for
destructive tests to be included with each process lot
(see FED QQ-N-290 for details); however, AMS QQ-N-290
allows monthly testing for hydrogen embrittlement,
destructive thickness and destructive adhesion to confirm
process performance.
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FED QQ-P-416
Cadmium
Plating
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Type I
Type II
Type III
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Coupon Testing - Monthly
FED QQ-P-416 requires plated panels to be tested
monthly. ¶4.5.1 requires destructive adhesion testing,
¶4.5.2 requires corrosion resistance (salt spray) and
¶4.5.3 requires embrittlement testing on hard steels (see
FED QQ-P-416 for details).
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FED QQ-C-320
Chrome Plating
|
Type I
Type II
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Coupon Testing - Monthly
FED QQ-C-320 requires plated panels to be tested
monthly. ¶3.4.2.3 requires hardness testing, ¶3.4.2.4
requires porosity testing and ¶3.2.6 requires
embrittlement testing on hard steels (see FED QQ-C-320
for details).
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AMS 2403
Nickel Plating
|
|
Coupon Testing - Periodic
The period for testing should be established by
agreement between supplier and purchaser. AMS 2403
¶3.4.3 requires testing for heat resistance, ¶3.4.4 requires
testing for corrosion resistance, and ¶3.4.5 requires
testing for hydrogen embrittlement.
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AMS 2423
Nickel Plating
Hard Deposit
|
|
Coupon Testing - Periodic
The period for testing should be established by
agreement between supplier and purchaser. AMS 2423
¶3.4.3 requires stress testing and ¶3.4.5 requires testing
for hydrogen embrittlement.
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AMS 2416
Nickel-Cadmium
Diffused
|
|
Coupon Testing - Periodic
The period for testing should be established by
agreement between supplier and purchaser. AMS 2416
¶3.3.2 requires testing for heat resistance, ¶3.3.3 requires
testing for corrosion resistance, and ¶3.3.4 requires a
periodic nickel stress test.
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AMS 2400
Cadmium
Plating
|
|
Coupon Testing - Periodic
The period for testing should be established by
agreement between supplier and purchaser. AMS 2400
¶3.4.3 requires testing for corrosion resistance and ¶3.4.4
requires testing for hydrogen embrittlement.
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MIL-G-45204
(ASTM B488)
Gold Plating
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Type I
Type II
Type III
Grade A
Grade B
Grade C
Grade D
|
Coupon Testing - Periodic
MIL-G-45204 and ASTM B488 require testing for plate
purity (¶X5.3.4), and plate hardness (¶X5.3.4) (see
MIL-G-45204 for details). In addition, to maintain gold
purity, we recommend testing a bath sample for Pb, Cr,
Cu and Fe to ensure that impurities test below
recommended limits. In soft gold baths, Co and Ni
should also be tested as impurities.
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AMS 2422
Gold Plating
|
|
Coupon Testing - Periodic
The period for testing should be established by
agreement between supplier and purchaser. AMS 2422
¶3.4.4 requires tests for plate purity and ¶3.4.5 requires
tests for corrosion resistance.
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MIL-C-14550
Copper Plating
|
|
Coupon Testing - Periodic
MIL-C-14550 ¶4.3.2 requires testing for thickness
(destructive), adhesion (destructive), embrittlement and
solderability (see MIL-C-14550 for details).
|
AMS 2418
Copper Plating
|
Type 1
Type 2
|
Coupon Testing - Periodic
The period for testing should be established by
agreement between supplier and purchaser. AMS 2418
¶3.4.4 requires periodic tests for hydrogen embrittlement
and ¶3.4.5 requires tests for solderability.
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ASTM B734
Copper Plating
|
|
Coupon Testing - Periodic
The period for testing should be established by
agreement between supplier and purchaser. A sampling
plan will require coating thickness testing (¶8.2),
adhesion testing (¶8.3), porosity (¶8.3) and solderability
(¶8.5).
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AMS 2402
Zinc Plating
|
|
Coupon Testing - Periodic
The period for testing should be established by
agreement between supplier and purchaser. AMS 2402
¶3.4.2 requires adhesion bend test and ¶3.4.3 requires
corrosion resistance testing.
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AMS 2408
Tin Plating
|
|
Coupon Testing - Periodic
AMS 2408 ¶3.4.2 requires periodic adhesion testing.
|
AMS 2409
Tin Plating
Immersion
|
None
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Coupon Testing - Periodic
AMS 2409 ¶3.5.1 requires periodic testing of coating
thickness and ¶3.5.2 requires adhesion testing.
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MIL-T-10727
Tin Plating
|
Type I
Type II
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Coupon Testing - Periodic
MIL-T-10727 ¶4.6.4 requires periodic salt spray testing
for corrosion resistance. See MIL-T-10727 for details.
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MIL-P-81728
Tin-Lead
Plating
|
|
Coupon Testing - Monthly (minimum)
MIL-P-81728 requires monthly composition testing
(¶4.5.1), porosity testing (¶4.5.4) and embrittlement
testing (¶4.5.6). See MIL-P-81728 for details.
|
MIL-R-46085
Rhodium
Plating
|
Class 1
Class 2
Class 3
Class 4
Class 5
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Coupon Testing - Periodic
MIL-R-46085 ¶4.4.3 requires reflectivity tests and ¶4.4.4
requires hydrogen embrittlement testing.
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ASTM B700
Silver Plating
|
Type I
Type II
Type III
Grade A
Grade B
Grade C
Grade D
Class N
Class S
|
Coupon Testing - Periodic
The period for testing should be established by
agreement between supplier and purchaser. ASTM B700
requires periodic testing of plate purity (¶8.6), plate
hardness (¶8.7), reflectance (¶8.8), resistivity (¶8.9), and
hydrogen embrittlement per ASTM F519.
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AMS 2410
Silver Plating
|
None
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Coupon Testing - Periodic
The period for testing should be established by
agreement between supplier and purchaser. AMS 2410
¶3.4.2 requires periodic testing of plate purity.
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FED QQ-S-365
Silver Plating
|
Type I
Type II
Type III
Grade A
Grade B
|
Coupon Testing - Periodic
The period for testing should be established by
agreement between supplier and purchaser. FED
QQ-S-365 ¶4.5.6 requires hydrogen embrittlement test
per ASTM E8 (replaced by ASTM F519). See FED
QQ-S-365 for details.
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AMS 2411
Silver Plating
- High-Temp
|
None
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Coupon Testing - Periodic
AMS 2411 ¶3.4.2 requires plate purity testing and ¶3.4.4
requires hydrogen embrittlement testing per ASTM F519.
|
AMS 2412
Silver Plating
- Copper Strike
|
None
|
Coupon Testing - Periodic
AMS 2412 ¶3.4.2 requires periodic testing of plate purity
and ¶3.4.4 requires periodic testing for hydrogen
embrittlement
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MIL-C-5541
MIL-DTL-5541
Chemfilm
Chromate
Conversion
|
Class 1A
Class 3
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Coupon Testing - Monthly
MIL-DTL-5541F (the active specification) ¶3.6.1 requires
monthly testing of corrosion resistance (salt spray) and
¶3.6.2 requires paint adhesion testing. ¶3.7 requires
testing of contact resistance on Class 3 coatings. See
MIL-DTL-5541 for details.
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MIL-DTL-81706
Chemfilm
Chromate
Conversion
|
Class 1A
Class 3
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Coupon Testing - Qualification
MIL-DTL-81706 ¶4.2 requires process qualification for
corrosion resistance; ¶4.2 for contact resistance before
and after salt spray, for paint adhesion, for coating
weight and for adhesion on aluminum (7075-T6).
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MIL-DTL-13924
Black Oxide
for Ferrous
Metals
|
Class 1
Class 2
Class 3
Class 4
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Coupon Testing - Periodic
MIL-DTL-13924 specifies requirements that must be
verified by periodic tests for corrosion resistance per
¶4.4.3 and hydrogen embrittlement per ¶4.4.4.
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ASTM A967
Passivation
for Stainless
Steel Parts
|
|
Coupon Testing - Periodic
Any of the acceptance tests listed in ASTM A967 should
be corrolated to laboratory results. Datalab will perform
any of the tests listed (Practice A-F) as required by the
base material alloy
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