MIL-DTL-14067C
a. For the conformance inspection paragraph 4.3.3.1, the definitions of critical, major
and minor defects are provided in paragraph "Definitions" of MIL-STD-1916.
Conformance Requirement
4.3.3.1
Metal powder.
Inspection
Criteria
Paragraph
Method
Reference
Critical
None defined
Major
101
Material
4.4.1
3.2
4.5.1
102
Shape
4.4.1
3.3
4.5.2,
4.5.2.1
103
Volatile material
4.4.1
3.4.3
4.5.3
104
Carbides
4.4.1
3.4.8
4.5.4
105
Total Fe
4.4.1
3.4.7
4.5.5
106
Magnesium
4.4.1
3.4.1
4.5.6 (Type
I and IV),
4.5.16 (Type
III)
107
Zinc
4.4.1
3.4.5
4.5.7
108
Oil and grease
4.4.1
3.4.4
4.5.8
109
Silicon
4.4.1
3.4.6
4.5.9
110
Free metallic aluminum
4.4.1
3.4.2
4.5.10 (Type
II, III and
V), 4.5.11
(Type III)
111
Total aluminum and magnesium
4.4.1
3.4.9
4.5.12
for Type III powder
112
Average particle size
4.4.2
3.6
4.5.13
113
Apparent density
4.4.1
3.4.10
4.5.14
114
Granulation
4.4.2
3.5
4.5.15
Minor
4.4.2
201
Workmanship
3.7
4.5.17
4.4.1
202
Process verification
3.8
4.5.18
4.4 Metal powder sampling.
4.4.1 Sampling requirements. Two independent representative samples, minimum two
kilograms, shall be obtained from each lot of magnesium powder using ASTM E300 or ASTM
B215. Unless otherwise specified, sampling shall be conducted in accordance with Table VI.
When lots comprise three or less containers, all containers in the lot shall be selected. Before
sampling, the contents of each container (selected for sampling) shall be thoroughly blended for
30 minutes by rolling and turning end for end. Failure of any test, by any sample, shall be cause
for rejection of the lot represented.
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