ASTM A892 PDF

This standard is issued under the fixed designation A ; the 2 For referenced ASTM standards, visit the ASTM website, , or. ASTM A()e1 Standard Guide for Defining and Rating the Microstructure of High Carbon Bearing Steels Scope

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This guide covers the definition and rating of the microstructure of carbide structures in annealed high carbon bearing steels.

E3 Guide for Preparation of Metallographic Specimens. Current edition approved Dec.

A separate eld may be used for each category or a single eld may be rated for more than one category. Requirements for the optical metallograph apparatus and specimen preparation including polishing and etching are detailed.

A number in parentheses indicates the year of last reapproval.

It may be a full cross section but should not be too large for practical handling in the polishing operation. Copyright Compu-tecture, Inc.

ASTM-A, –

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It does not establish limits of acceptability. Procedure for Evaluation 6. The size of the sample shall be negotiated between ashm user and the producer. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. Such limits are a matter of agreement between user and producer.

The description of the reference photomicrographs graded illustrations of annealed carbides categorized by size, network, and lamellar content shape that shall be used in the evaluation and the equation that shall define the rating are given. FORMAT Single User Subscription Site License Subscription BOOKS All Books PACKAGES All Packages EDITION to PUBLISHER. The rating will be the number of that photo which most closely resembles the appearance of the specimen. It is the responsibility of the user adtm this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

This abstract is a brief summary of the referenced standard.

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ASTM A892 – 09(2014)e1

Remember me for one month. It does not establish limits of acceptability. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. Print 1 2 3 4 5 page sstarting from page current page.

Reported counts are the average of three measurements. The description of the reference photomicrographs graded illustrations of annealed carbides categorized by size, network, and lamellar content shape that shall be used in the evaluation and the equation that shall define the rating are given.

Click here to download full list of books. Higher numbers indicate a larger number or greater degree of severity of the category being rated.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. 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.