MIL-DTL-25995D
TABLE II. First article inspection.
Requirement
Inspection
Test paragraph or document
paragraph
Type A: (see 4.5.5)
ASTM B429/B429M (alloy -6061-T6 or 6063-T6)
Alloy type used
ASTM B483/B483M (alloy 3003-H18 or 3003-H112)
Chemical composition
ASTM B221 (alloy 3003-H112, 6061-T6, or 6063-T6)
Temper
ASTM B210 (alloy 3003-H18, 6061-T6, or 6063-T6)
Tensile strength
Type B: (see 4.5.5)
Type of heat treatment.
ASTM B241/B241M (alloy 3003-H18, 3003-H112,
6061-T6, or 6063-T6)
Visual and mechanical
inspection
Straightness
ANSI H35.2
Schedule (nominal)
Table I
Weight
Table I
Length
---
Allowable deviation
ANSI H35.2
from mean diameter
Allowable deviation of
ANSI H35.2
diameter
Leak test 1/
ASTM B210
Marking
Workmanship
1/ Not required for structural pipe.
4.6 Conformance inspection. For manufacturers that have successfully passed first article
inspections on going inspections shall consist of individual inspections.
4.6.1 Individual inspection. Individual inspection shall consist of the inspections specified in table II.
4.6.2 Sampling for individual inspections.
4.6.2.1 Sampling on a continual basis. On approval of the purchaser the producer may use a
system of statistical quality control for such examinations. Sampling for individual inspections shall be
shall be on a continual basis. Each pipe shall be examined to determine conformance to this
specification with respect to general quality and identification marking.
4.6.2.2 Sampling on a non-continual basis. For pipe sizes having a nominal weight of less than 1
lb/linear ft (.045kg/0.30 m), one test specimen shall be taken for each 1000 lb (453.59 kg) or fraction
thereof in the lot. For pipes having a nominal weight of 1 lb or more/linear ft (0.45 kg/0.30 m), one test
specimen shall be taken for each 1000 ft (304.80 m), or fraction thereof, in the lot.
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