1、Designation:A101501(Reapproved 2014)Standard Guide forVideoborescoping of Tubular Products for SanitaryApplications1This standard is issued under the fixed designation A1015;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of
2、 last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This standard covers guidelines for ordering and exam-ining tubular products for sanitary applications by videobore-scopin
3、g.This method uses movable camera probe at the end ofa cable to examine the interior of a tubular product.The imageis then transmitted to an external monitor for analysis.Themethod is normally used when inside surface imperfections,not normally detected by other nondestructive methods,mayresult in c
4、ontamination of the product which is contained bythe tubular product.1.2 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.2.Referenced Docu
5、ments2.1 ASTM Standards:2A941 Terminology Relating to Steel,Stainless Steel,RelatedAlloys,and Ferroalloys3.Terminology3.1 Definitions:3.1.1 For definitions of some of the terms used in thisspecification,refer to Specification A941.3.2 Other Definitions:3.2.1 collara device which fits around the prob
6、e tip tocontrol distance from the product surface and angle of viewingto ensure a consistent magnification factor.3.3 Definitions of Terms Specific to This Standard:3.3.1 inclusiona nonmetallic particle embedded in theproduct surface.3.3.2 nicka surface imperfection resulting from materialremoval or
7、 compression usually caused by a mechanicalmeans.It usually has a length to width ratio less than 5.3.3.3 oxidea darker,non-reflective area that is the result ofimproper protective gas coverage during a high temperatureoperation or insufficient chemical cleaning.3.3.4 pita sharp edged surface depres
8、sion usually causedby the removal of an embedded particle but may also be causedby selective metal removal by a chemical means.3.3.5 shrinkagea line of irregular shallow pores whichoccur along the center of a weld.3.3.6 scratcha long depression caused by a mechanicalmeans.It usually has a length-to-
9、width ratio greater than 5.3.3.7 slag pocketa pit,usually in a weld,caused by aparticle of slag(metal oxides,carbides,fluorides or similar)which may have been cold worked into the surface.The pocketmay or may not still contain slag during the examination.3.3.8 starbursta series of slag pockets where
10、 the centerone is usually the largest and smaller ones radiate outward.3.3.9 tubea generic term for all tubular products includingboth pipe and tube.4.Ordering Information4.1 It is the responsibility of the purchaser to specify all ofthe requirements that are desired under this specification.Suchreq
11、uirements may include,but are not limited to,the following:4.1.1 Number of tubes to be inspected.4.1.2 The amount of probe to tube rotation,if desired(Section 8).4.1.3 Any special probe coverage(Section 8).4.1.4 Special probe feed rates(Section 8).4.1.5 Any special acceptance criteria(Section 6).4.1
12、.6 Supply of recording tapes and whether traceability isrequired(Section 9).4.1.7 Information to be identified on recording tapes(Sec-tion 9).4.1.8 Whether customer witnessing is required(Section 10).4.1.9 Whether Certification is required(Section 11).1This guide is under the jurisdiction of ASTM Co
13、mmittee A01 on Steel,Stainless Steel and Related Alloysand is the direct responsibility of SubcommitteeA01.10 on Stainless and Alloy Steel Tubular Products.Current edition approved March 1,2014.Published March 2014.Originallyapproved in 2001.Last previous edition approved in 2009 as A1015 01(2009).D
14、OI:10.1520/A1015-01R14.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbo
15、r Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1Copyright by ASTM Intl(all rights reserved);5.Significance and Use5.1 This specification establishes some the key factorswhich govern the interpretation of videoborescoping tubularproducts for a specific application.It is recognized t
16、hat therequirements for one application may be very different thanthose of another.Therefore,the specification allows for theinspection to be customized for the application by the user byallowing the purchaser to specify parameters which may beimportant for the application.6.Acceptance Criteria6.1 The purpose of this inspection is to identify imperfec-tions on the ID surface of the tube which may be detrimentalto the end use.These imperfections could have a variety ofshapes,sizes and causes whic