MIL-DTL-46027K(MR)
3.10 Workmanship. Plate produced under this specification shall be uniform in quality
and clean, smooth and sufficiently free from buckles, blisters, hard spots, damaged ends,
laminations and other defects which may affect its use.
4. VERIFICATION
4.1 Classification of inspection. The inspection requirements specified herein are
classified as follows:
a. First article inspection (see 4.3).
b. Conformance inspection (see 4.4).
4.2 Lot. A lot shall consist of all plate of the same alloy and ordered thickness which has
been processed together by the same mill practice. Unless otherwise specified in the
contract or purchase order (see 6.2), the weight of the finished plate in the lot shall not
exceed 50,000 pounds and shall be submitted for inspection as a unit.
4.3 First article inspection. First article inspection, except as otherwise indicated in this
specification, shall utilize the same requirements and test methods as the production
acceptance inspection shown in 4.4.
4.4 Conformance inspection. Conformance inspection or production acceptance
inspection shall include the examination of 4.6 and the tests of 4.7.
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 A. The orientation of these plates with respect to the rolling direction shall be
at the option of the producer.
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