ASTM E1444/E1444M – 16r1 Standard Practice for Magnetic Particle Testing

基础信息

标准简介

Designation: E1444/E1444M - 16r1 Standard Practice for Magnetic Particle Testing11. Scope*1.1 This practice establishes minimum requirements formagnetic particle testing used for the detection of surface orslightly subsurface discontinuities in ferromagnetic material.Guidc E709 can be used in conjunction with this practice as atutorial.NoE 1—This Practice replaces MIL-STD-1949.1.2 The magnetic particle testing method is used to detectcracks.laps,seams,inclusions,and other discontinuities on ornear the surface of ferromagnetic materials.Magnetic particletesting may be applied to raw material,billets，finished andsemi-finished materials,welds,and in-service parts.Magneticparticle testing is not applicable to non-ferromagnetic metalsand alloys such as austenitic stainless steels. See Appendix Xlfor additional information.1.3 All areas of this Practice may be open to agrcemcntbetween the Cognizant Engineering Organization and thesupplier, or specific direction from the Cognizant EngineeringOrganization.1.4 This standard is a combined standard, an ASTM stan-dard in which rationalized Sl units and inch-pound units areincluded in the same standard,with each system of units to beregarded se

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