Full Description

1.1This test method establishes a procedure for comparing the elemental composition of normal surfaces with any defects found on the surfaces of metal tubing, fittings, valves, or any metal component.

1.2This test method applies to all steel surfaces of components such as tubings, connectors, regulators, and valves, regardless of size, style, or type.

1.3Limitations:

1.3.1This test method is intended for use by scanning electron microscope/energy dispersive x-ray spectrometer (SEM/EDX) operators with skill level typically achieved over a twelve-month period.

1.3.2SEM used for this study should conform to those limitations outlined in Test Method F1372 and should have a minimum point-to-point resolution of 30 nm.

1.4The values stated in SI units are to be regarded as the standard. The inch-pound units given in parentheses are for information only.

1.5This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in Section 6.

1.6This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.