ASTM A1015-01(2009)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: A1015 − 01(Reapproved 2009)
Standard Guide for
Videoborescoping of Tubular Products for Sanitary
Applications
This standard is issued under the fixed designation A1015; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3.3.2 nick—a surface imperfection resulting from material
removal or compression usually caused by a mechanical
1.1 This standard covers guidelines for ordering and exam-
means. It usually has a length to width ratio less than 5.
ining tubular products for sanitary applications by videobore-
scoping.This method uses movable camera probe at the end of
3.3.3 oxide—adarker,non-reflectiveareathatistheresultof
a cable to examine the interior of a tubular product. The image
improper protective gas coverage during a high temperature
is then transmitted to an external monitor for analysis. The
operation or insufficient chemical cleaning.
method is normally used when inside surface imperfections,
3.3.4 pit—a sharp edged surface depression usually caused
not normally detected by other nondestructive methods, may
bytheremovalofanembeddedparticlebutmayalsobecaused
result in contamination of the product which is contained by
by selective metal removal by a chemical means.
the tubular product.
3.3.5 shrinkage—a line of irregular shallow pores which
1.2 The values stated in inch-pound units are to be regarded
occur along the center of a weld.
as standard. The values given in parentheses are mathematical
3.3.6 scratch—a long depression cause by a mechanical
conversions to SI units that are provided for information only
and are not considered standard. means. It usually has a length-to-width ratio greater than 5.
3.3.7 slag pocket—a pit, usually in a weld, caused by a
2. Referenced Documents
particle of slag (metal oxides, carbides, fluorides or similar)
2.1 ASTM Standards:
which may have been cold worked into the surface.The pocket
A941 TerminologyRelatingtoSteel,StainlessSteel,Related
may or may not still contain slag during the examination.
Alloys, and Ferroalloys
3.3.8 starburst—a series of slag pockets where the center
one is usually the largest and smaller ones radiate outward.
3. Terminology
3.3.9 tube—a generic term for all tubular products including
3.1 Definitions:
both pipe and tube.
3.1.1 For definition of some of the terms used in this
specification, refer to Specification A941.
4. Ordering Information
3.2 Other Definitions:
4.1 It is the responsibility of the purchaser to specify all of
3.2.1 collar—a device which fits around the probe tip to
the requirements that are desired under this specification. Such
control distance from the product surface and angle of viewing
requirementsmayinclude,butarenotlimitedto,thefollowing:
to ensure a consistent magnification factor.
4.1.1 Number of tubes to be inspected.
3.3 Definitions of Terms Specific to This Standard:
4.1.2 The amount of probe to tube rotation, if desired
3.3.1 inclusion—a nonmetallic particle embedded in the
(Section 8).
product surface.
4.1.3 Any special probe coverage (Section 8).
4.1.4 Special probe feed rates (Section 8).
This guide is under the jurisdiction of ASTM Committee A01 on Steel,
4.1.5 Any special acceptance criteria (Section 6).
Stainless Steel and Related Alloysand is the direct responsibility of Subcommittee
A01.10 on Stainless and Alloy Steel Tubular Products. 4.1.6 Supply of recording tapes and whether traceability is
Current edition approved Oct. 1, 2009. Published February 2010. Originally
required (Section 9).
approved in 2001. Last previous edition approved in 2005 as A1015 – 01 (2005).
4.1.7 Information to be identified on recording tapes (Sec-
DOI: 10.1520/A1015-01R09.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or tion 9).
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
4.1.8 Whether customer witnessing is required (Section 10).
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. 4.1.9 Whether Certification is required (Section 11).
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A1015 − 01 (2009)
5. Significance and Use and be made of a material which will not cause additional
unacceptable imperfections on the ID surface. The collar shall
5.1 This specification establishes some the key factors
have sufficient length to prevent rocking of the probe which
which govern the interpretation of videoborescoping tubular
may hinder defect sizing.
products for a specific application. It is recognized that the
7.1.2 Probe type,
requirements for one application may be very different than
7.1.3 Probe lens,
those of another. Therefore, the specification allows for the
inspection to be customized for the application by the user by
7.1.4 Display CRT.As the display screen increases, so does
allowing the purchaser to specify parameters which may be
the magnification.
important for the application.
7.2 If any of the above four items, or any other factor which
6. Acceptance Criteria may affect magnification, is changed, the unit shall be recali-
brated.
6.1 The purpose of this inspection is to identify imperfec-
tions on the ID surface of the tube which may be detrimental
7.3 Calibration shall be performed using standards traceable
to the end use. These imperfections could have a variety of
to known National Standards, where they exist. Precision steel
shapes, sizes and causes which may or may not have impact on
scales with .020” (0.5 mm) or liner graduations may be used
the final use. The criteria should include a reference to the
for this calibration providing that the spacing between the
typesofimperfectionswhichareconsidereddetrimental.These
probe tip and scale is controlled to be the same as probe tip and
may include, but are n
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