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ASTM E 381 : 2017

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings
Available format(s)

Hardcopy , PDF

Superseded date

13-05-2020

Language(s)

English

Published date

14-06-2017

Macroetching, which is the etching of specimens for macrostructural examination at low magnifications, is a frequently used technique for evaluating steel products such as bars, billets, blooms, and forgings.

1.1Macroetching, which is the etching of specimens for macrostructural examination at low magnifications, is a frequently used technique for evaluating steel products such as bars, billets, blooms, and forgings.

1.2Included in this method is a procedure for rating steel specimens by a graded series of photographs showing the incidence of certain conditions. The method is limited in application to bars, billets, blooms, and forgings of carbon and low alloy steels.

1.3A number of different etching reagents may be used depending upon the type of examination to be made. Steels react differently to etching reagents because of variations in chemical composition, method of manufacture, heat treatment and many other variables. Establishment of general standards for acceptance or rejection for all conditions is impractical as some conditions must be considered relative to the part in which it occurs.

1.4This 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. See the specific precautionary statement in 5.3.

1.5This 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.

Committee
E 04
DocumentType
Standard
Pages
5
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

SAE AMS6294L:2023 Steel Bars and Forgings and Forging Stock, Carburizing, Aircraft-Quality 1.8Ni - 0.25Mo (0.17 - 0.22C) (4620)
SAE AMS6322S:2023 Steel Bars, Forgings, and Rings and Stock for Forging or Flash Welded Rings Aircraft-Quality 0.50Cr - 0.55Ni - 0.25Mo (0.38 - 0.43C) (8740)
SAE AMS6427P:2023 Steel Bars, Forgings, Mechanical Tubing, and Forging Stock, Aircraft Quality, 0.88Cr - 1.8Ni - 0.42Mo - 0.08V (0.28 - 0.33C) (4330 Mod)

ASTM E 1180 : 1994 : R1998 Standard Practice for Preparing Sulfur Prints for Macrostructural Examination
ASTM E 1180 : 2008 : R2014 Standard Practice for Preparing Sulfur Prints for Macrostructural Evaluation
ASTM E 1180 : 2003 Standard Practice for Preparing Sulfur Prints for Macrostructural Examination
ASTM E 1180 : 2003 : EDT 1 Standard Practice for Preparing Sulfur Prints for Macrostructural Examination
ASTM E 1180 : 2008 Standard Practice for Preparing Sulfur Prints for Macrostructural Evaluation

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