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ASTM E570-15e1

Standard Practice for Flux Leakage Examination of Ferromagnetic Steel Tubular Products

1.1 This practice covers the application and standardization of equipment using the flux leakage test method for detection of outer surface, inner surface, and subsurface discontinuities in ferromagnetic steel tubular products (Note 1) of uniform cross section such as seamless and welded tubing.

Note 1: The term “tube” or “tubular product” will be used to refer to both pipe and tubing.

1.2 This practice is intended for use on tubular products having outside diameters from approximately 1/2 to 24 in. (12.7 to 610 mm) with wall thicknesses to 1/2 in. (12.7 mm). These techniques have been used for other sizes, however, and may be so specified upon contractual agreement between the purchaser and the supplier.

1.3 This practice does not establish acceptance criteria; they must be specified by the using parties.

1.4 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.5 This standard does not purport to address 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.

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