MIL-DTL-46063H
4.5
Sampling.
4.5.1
For first article testing.
4.5.1.1 Chemical composition. Samples for chemical analysis shall be
removed from the plate material being selected for the ballistic tests.
4.5.1.2 Mechanical properties. One tension test sample shall be removed
from the same plate material that has been selected for the ballistic test.
4.5.1.3 Stress corrosion tests. The stress corrosion test samples shall be
removed from the same plate that has been selected for the ballistic test.
4.5.1.4 Ballistic tests. Two plates 12 inches by 36 inches (+ 1, -0 inches)
from the ordered thickness shall be submitted for ballistic testing. The
orientation of these plates with respect to the rolling direction shall be at the
option of the manufacturer. The ballistic test may be waived at the discretion of
the procuring activity if the manufacturer within 18 months has produced
acceptable plate to within ± 0.250 inch of the ordered thickness, provided also
that test conditions are the same as for previously accepted plates.
4.5.2
For acceptance of production lots.
4.5.2.1 Chemical composition, ingot analysis. At least one sample shall be
taken from the molten metal representing one group of ingots poured as a unit
from the same source of molten metal. Complete ingot analysis records shall be
available to the procuring activity at the producer's facility.
4.5.2.2 Chemical composition, finished product analysis. When sampling has
not been made in accordance with 4.5.2.1, one sample shall be taken for each
4,000 pounds or less in each lot in accordance with ASTM E34 or ASTM E716.
Complete product analysis records shall be available to the procuring activity
at the producer's facility.
4.5.2.3 Mechanical properties. From each lot, samples for tension tests
shall be selected in accordance with table IV. Each sample shall be selected
from a different plate in the lot. Should a lot consist of only one plate, only
one tension test sample shall be taken (see 6.2).
TABLE IV.
Number of tension tests.
Lot size, pounds
Number of samples
To 8,000, incl
2
8,001 to 12,000, incl
3
12,001 to 20,000, incl
4
20,001 up
5
4.5.2.4 Stress corrosion tests. From each lot, one plate 12 inches by 12
inches (± 1 inch), by the ordered thickness, shall be selected for stress
corrosion tests. At the discretion of the procuring activity, reduced sampling
may be instituted (not every lot need be sampled) (see 4.8).
6
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