MIL-DTL-32505
4.5 Sampling.
4.5.1 First article inspection.
4.5.1.1 Chemical composition. One (1) sample for chemical analysis shall be removed from each
plate selected for ballistic testing and shall meet the requirements of 3.2 when tested as specified in
4.7.1.
4.5.1.2 Mechanical properties. One tension test specimen shall be removed from each plate that has
been selected for ballistic testing and shall meet the requirements when tested as specified in 4.7.2.
4.5.1.3 Ballistic tests. Two plates, 12 inches by 36 inches of each thickness to be supplied on the
contract, shall be submitted for ballistic testing in accordance with Appendix B. The orientation of
these plates with respect to the rolling direction shall be at the option of the producer (see 6.2).
4.5.1.4 Stress Corrosion Cracking. Nine 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
Lot size, pounds
samples 1/
To 8,000, incl.
2
8,001 to 12,000, incl.
3
12,001 to 20,000, incl.
4
20,001 up
5
1/
If a lot consists of only one plate, one sample shall be required.
8
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