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MIL-E-23765B(SH)
4.5.2.4 Heat of metal. A heat of metal shall be that material obtained
.-em one furnace melt.
4.5.2.5 Chemically controlled materials.  The procedure for manufacturing
alloyed cored electrodes using chemically controlled material shall be as
specified in 4.5.2.6 for flux material and 4.5.2.7 for mill coil.
4.5.2.6 Flux material.  Each dry batch (see 4.5.2.2) shall be chemically
analyzed for conformance to the percent allowable variation (disclosed) from
standard (not disclosed) for each formulated chemical element for each MIL-type
electrode, (see 4.3.1.4).  The following conditions shall apply:
(a) Identification of each dry batch as to the Intended use based on
the results of the chemical analysis.
(b) Maintain record of chemical analysis.
(c) Chemical analysis report of allowable variation from standard
shall be available to the Government representative upon request.
(d) Maintain traceability to each dry batch in lot identification of
the electrodes
4.5.2.7 Mill coil.  Each continuously rolled mill coil shall be chemically
analyzed for conformance to the approved chemical composition control limits
(see 4.3.1.4).  The mill coils used for the production of one lot of electrodes
shall be the product of one or more heats of metal.  The following conditions
shall apply:
(a) One end of each mill coil furnished by mills prohibiting spliced-
coil practice shall be sampled for the above chemical analysis.
Both ends of each mill coil furnished by mills permitting one
splice per coil shall be sampled for the above chemical analysis.
Mill coils with more than one splice in each coil shall not be
used.
(b) chemical analysis shall be Certified by the laboratory and made
available to the Government representative.
(c) Mill coils, conforming to the established chemical composition
control limits for a specific MIL-type electrode, shall be
appropriately identified and segregated to avoid mixups.
4.5.3 Lot definition of submerged arc welding flux.
4.5.3.1 Inspection lot.  For purposes of sampling and quality conformance
inspection, a lot shall consist of all flux of one type offered for delivery at
one time.
4.5.3.2 Lot identification.  Each lot of flux shall be uniquely identi-
fied by the manufacturer's control number or other marking which shall appear
on each unit and shipping container.
4.5.4 Sampling for rods and electrodes.
4.5.4.1 Sampling for Inspection of filled containers.  Unit packages and
containers shall be sampled and inspected in accordance with MIL-W-10430.
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