Designation: E – 04Standard Guide for Metals Identification, Grade For referenced ASTM standards, visit the ASTM website, , or. ASTM E Standard Guide for Metals Identification, Grade Verification, and Sorting. This guide is intended for tutorial purposes only. It describes the general requirements, methods, and procedures for the nondestructive identification and .

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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.

It summarizes the operating principles of each method, provides guidance on where axtm how each may be applied, gives when applicable the precision and bias that may be expected, and assists the investigator in astn the best candidates for specific grade verification or sorting problems.

For specific precautionary statements, see Section Historical Version s – view previous versions of standard. Nondestructive means are available to supplement conventional metals grade verification techniques, and to monitor chemical and physical properties at selected production stages, in order to assist in maintaining the identities of metals and their consistency in mechanical properties.


They are quite often used in the field for solving problems involving off-grade and mixed-grade materials. The electromagnetic eddy current and thermoelectric methods, on the other hand, are among those that respond to properties in the sample that are affected by chemistry and processing, asmt they yield indirect information on composition and mechanical properties.

ASTM E1476 – 04(2014)

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Statistical quality assurance methods are usually effective; however, mixed grades, off-chemistry, and nonstandard physical properties remain the primary causes for claims in the metals industry.

These practices typically involve standard chemical analyses and physical tests to meet product acceptance standards, which are slow. Spectrometric analysis instruments respond to the presence and percents of alloying constituents.

Several pieces from a production run are usually destroyed or rendered unusable through mechanical and chemical testing, and the results are used to assess the entire lot using statistical methods. A more comprehensive verification of product properties is necessary.


ASTM E – 04() Standard Guide for Metals Identification, Grade Verification, and Sorting

In this guide, the spectrometric methods are classified aatm quantitative, whereas the methods that yield indirect readings are termed qualitative. Link to Active This link will always route to the current Active version of the standard.

This involves the use of standard quality assurance practices and procedures e14476 the various stages of manufacturing and processing, at warehouses and materials receiving, and during fabrication and final installation of the product. It describes the general requirements, methods, and procedures for the nondestructive identification and sorting of metals.