MIL-DTL-46027K(MR)
4.5.1.4 Stress corrosion tests. The stress corrosion test specimens shall be removed from
the same plate that has been selected for ballistic testing. The location and type of
specimen shall be as specified in 4.7.4.
4.5.2 Conformance inspection.
4.5.2.1 Chemical composition. The sample shall meet the chemical composition
requirements of 3.2 when tested as specified in 4.7.1.
4.5.2.1.1 Ingot analysis. At least one sample shall be taken from the molten metal
representing the ingots poured as a unit from the same source molten metal. Complete
ingot analysis records shall be available to the Government at the producer's facility.
4.5.2.1.2 Product analysis. When sampling has not been made in accordance with
4.5.2.1.1, one sample shall be randomly taken for each 4,000 pounds or less in a lot.
Complete product analysis records shall be available to the Government at the
contractor's facility.
4.5.2.2 Mechanical properties. Samples for tension tests shall be selected from each lot
in accordance with Table IV. Each sample shall be randomly selected from a different
plate in the lot, and only one tension test specimen shall be made from each sample. The
sample shall meet the requirements when tested as specified in 4.7.2.
TABLE IV. Number of tension tests.
Minimum number of samples 1/
Lot size, pounds
To 8,000, incl.
2
8,001 to 12,000, incl.
3
12,001 to 20,000, incl.
4
20,001 up
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1/
If a lot consists of only one plate, one sample shall be required.
4.5.2.3 Ballistic testing. One plate, 12 inches by 36 inches, shall be randomly selected
from each lot for ballistic testing. The orientation of the plate with respect to the rolling
direction shall be at the option of the producer (see 6.2). The sample shall meet the
requirements when tested as specified in 4.7.3.
4.5.2.4 Stress corrosion tests. When required (see 6.2), one plate, 12 inches by 12
inches, shall be randomly selected from each lot for stress corrosion testing. The plate
shall meet the requirements when tested as specified in 4.7.4.
4.6 Examination.
4.6.1 Visual. Each plate shall be examined for compliance with the identification
marking (see 3.8) and workmanship (see 3.10) requirements.
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