FED-STD-791D
pearl" No. 100 or equivalent
7. Cleaning solution, glass
(concentrated sulfuric acid
saturated with potassium or
sodium di chromate, technical
grade
8. Distilled water
5306.5
Corrosiveness of emulsifiable
1. Sodium hydroxide solution,
cutting fluids
containing approximately 25
percent NaOH by weight
2. Normal hexane ,commercial
3. 1,1,1-trichloroethane (ASTM D
4126)
4. Distilled water
5. Cleaning tissue
6. Two copper strips (ASTM B
152/152M), electrolytic tough
pitch, cold rolled, half hard
temper)
7. Two brass strips (ASTM B 121,
ASTM B 36, cartridge brass
composition 2 half hard temper)
8. Two cast iron strips (QQ-I-
652,class 20, strip only)
9. Two steel strips (QQ-S-698),
physical quality, cold rolled,
half hard temper-CR half hard
No. 2 tempers)
5308.7
Corrosiveness and oxidation
1. Copper, electrolytic (ASTM B
stability of light oils (metal
152/152M)
squares)
2. Steel, carbon, mild (ASTM
1008A/1008M, class 1, commercial
bright finish
3. Aluminum alloy (ASTM B 209,
temper T-3 or T-4
4. Magnesium alloy (SAE AMS
4375, 4376, 4377, AZ 31B),
condition H24 or H26.
5. Anodes, Cadmium(A-A-
51126B)
6. Cord (cotton, nylon or linen-,
light-weight, clean, for tying metal
squares together)
7. Abrasive paper ,(silicon carbide,
or alumina) various grade or grit
8. Abrasive paper, silicon carbide
453
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