ASTM A262 PRACTICE A PDF

More A Methods for preparing the test specimens, rapid screening tests, apparatus setup and testing procedures, and calculations and report contents are described for each testing practice. The etch structure types used to classify the specimens are: step structure, dual structure, ditch structure, isolated ferrite, interdendritic ditches, end-grain pitting I, and end-grain pitting II. This abstract is a brief summary of the referenced standard. 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.

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More A Methods for preparing the test specimens, rapid screening tests, apparatus setup and testing procedures, and calculations and report contents are described for each testing practice. The etch structure types used to classify the specimens are: step structure, dual structure, ditch structure, isolated ferrite, interdendritic ditches, end-grain pitting I, and end-grain pitting II.

This abstract is a brief summary of the referenced standard. 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.

Significance and Use 6. Scope 1. These tests do not provide a basis for predicting resistance to forms of corrosion other than intergranular, such as general corrosion, pitting, or stress-corrosion cracking. The inch-pound equivalents are in parentheses and may be approximate. 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.

Some specific hazards statements are given in

AUSSAATTAGE 2014 MARIA THUN PDF

Intergranular Corrosion Testing: An Overview of ASTM A262

If materials with incorrect heat treatment enter service, they are liable to crack or fail by intergranular corrosion IGC much more rapidly than properly treated materials; ASTM A is a screening test to help find batches that are incorrectly processed. Intergranular corrosion shows up as the dark black lines around the grain boundaries. We provide accurate, repeatable results along with world-class customer service. We offer ASTM A testing from Houston for customers around the world; with overnight shipping, we can start immediately. We work with you to select the right method for your steel grade, and then deliver clear results in a reasonable time and budget. How do you select the right ASTM corrosion testing method for your material?

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Corrosion Intergranular ASTM A262

Dirn A recent publication on intergranular corrosion. Some specific hazards statements are given in Because it can be run quickly for screening, we often run this test first. This specification covers the standard practices for detecting susceptibility to intergranular attack in austenitic stainless steels. This test method describes the procedure for conducting the ferric chloride corrosion test for detecting the presence of detrimental intermetallic phases in Duplex Stainless Steels. 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 prctice. Sample condition before soaking in Ferric chloride solution.

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