MIL-DTL-46035C(MR)
4.5 Examination.
4.5.1 Visual. All material shall be subject to visual examination for compliance with workmanship
requirements (see 3.8).
4.5.2 Preparation for shipment. Examination shall be made to determine compliance with the
requirements for preparation for shipment (see section 5).
4.6 Tests.
4.6.1 Test specimens.
4.6.1.1 Hydrogen analysis specimens. Hydrogen analysis specimens shall be taken from a
location within the sample corresponding to the finish machined surface. Specimens for this purpose
may be taken from mechanical test samples.
4.6.1.2 Tension and impact specimens.
4.6.1.2.1 Location of specimens.
4.6.1.2.1.1 For acceptance testing. Two tensile and two Charpy impact test specimens shall be
taken from each sample, selected in accordance with 4.4.2 from the locations indicated on the
applicable drawing, except that when no location is shown on the drawing, specimens from tubes shall
be taken from material at least one and one half wall thickness from the end, or original end of a multiple
length, so that the longitudinal center lines of the specimens at mid length (of the specimens) are tangent
to a circle located as close to midwall of the critical section as possible; or in the case of a forging, as
close to the middle of the critical section as possible. Charpy specimens shall be notched on the side
nearest the bore surface.
4.6.1.2.1.1.1 For tubular components. Test specimens shall be taken from the 12, 6, 3 and 9
o'clock positions, consecutively, as may be necessary to obtain sufficient tests. Additional specimens, if
required, may be taken from a position diametrically opposite the preceding specimen unless a specimen
has previously been taken from that location.
4.6.1.2.1.2 For Government surveillance testing. Four tensile and ten Charpy V-notch impact
test specimens shall be taken from each sample, selected in accordance with 4.4.2.3 from the locations
indicated in 4.6.1.2.1.1. Two of these tensile specimens and five of these Charpy V-notch impact
specimens shall be tested by the contractor and the remainder shall be tested by a Government testing
facility.
4.6.1.2.2 Type of specimens.
4.6.1.2.2.1 Tension test specimens. Tension test specimens shall be machined to the form and
dimensions of the largest obtainable round specimen shown in ASTM E8.
4.6.1.2.2.2 Impact test specimens. Charpy V-notch impact specimens shall be machined to the
form and dimensions shown in ASTM E23. When a standard sized impact specimen can not be
obtained, the contractor, at the option of the contracting officer, may be required to demonstrate, by
special tests prescribed by the contracting officer and agreed to by the contractor, that the material he
proposes to furnish is satisfactory insofar as impact resistance is concerned.
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