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Significance and Use
5.1 The purpose of this practice is to outline a procedure for detecting and locating significant discontinuities such as pits, voids, inclusions, cracks, splits, etc., by the ultrasonic pulse-reflection method.
1.1 This practice covers a procedure for detecting discontinuities in metal pipe and tubing during a volumetric examination using ultrasonic methods. Specific techniques of the ultrasonic method to which this practice applies include pulse-reflection techniques, both contact and non-contact (for example, as described in Guide ), and angle beam immersion techniques. Artificial reflectors consisting of longitudinal, and, when specified by the using party or parties, transverse reference notches placed on the surfaces of a reference standard are employed as the primary means of standardizing the ultrasonic system.
1.2 This practice is intended for use with tubular products having outside diameters approximately 1/2 in. (12.7 mm) and larger, provided that the examination parameters comply with and satisfy the requirements of Section . These procedures have been successful with smaller sizes. These may be specified upon contractual agreement between the using parties. These procedures are intended to ensure that proper beam angles and beam shapes are used to provide full volume coverage of pipes and tubes, including those with low ratios of outside diameter-to-wall thickness, and to avoid spurious signal responses when examining small-diameter, thin-wall tubes.
1.3 The procedure in is applicable to pipe and tubing used in nuclear and other special and safety applications. The procedure in may be used to determine the helical scan pitch.
1.4 This practice does not establish acceptance criteria; they must be specified by the using party or parties.
1.5 The values stated in inch-pound units are to be regarded as standard. The SI equivalents are in parentheses and may be approximate.
1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
Aerospace Industries Association DocumentNAS410 Certification and Qualification of Nondestructive Testing Personnel Available from Aerospace Industries Association of America, Inc., 1250 Eye St. NW, Washington D.C. 20005.
E543 Specification for Agencies Performing Nondestructive Testing
E1065 Practice for Evaluating Characteristics of Ultrasonic Search Units
E1316 Terminology for Nondestructive Examinations
E1774 Guide for Electromagnetic Acoustic Transducers (EMATs)
E1816 Practice for Ultrasonic Testing Using Electromagnetic Acoustic Transducer (EMAT) Techniques
ASNT DocumentsANSI/ASNTCP-189 Standard for Qualification and Certification of Nondestructive Testing Personnel RecommendedPracticeS for Nondestructive Testing Personnel Qualification and Certification Available from American Society for Nondestructive Testing, Inc., 1711 Arlingate Lane, Columbus, OH 43228.
ISO StandardsISO9712 Non-destructive Testing-- Qualification and Certification of NDT Personnel Available from International Organization for Standardization (ISO), 1, ch. de la Voie-Creuse, CP 56, CH-1211 Geneva 20, Switzerland, http://www.iso.org.
ICS Number Code 23.040.10 (Iron and steel pipes)
UNSPSC Code 40180000(Tubes tubing and tube fittings); 40170000(Pipe piping and pipe fittings)
ASTM E213-14e1, Standard Practice for Ultrasonic Testing of Metal Pipe and Tubing, ASTM International, West Conshohocken, PA, 2014, www.astm.orgBack to Top