ASTM G44 PDF

May 2, 2019 posted by

ASTM G Standard Practice for Exposure of Metals and Alloys by Alternate Immersion in Neutral % Sodium Chloride Solution. This standard covers. Offering alternate immersion corrosion testing per the ASTM G44 Standard from our Houston Corrosion Laboratory. This practice covers procedures for making alternate ASTM Standards: 2 immersion stress corrosion tests in % sodium chloride D Practice for.

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Details of this are beyond the scope of this practice.

Note 1-Alternate immersion stress corrosion exposures are sometimes made in substitute ocean water without heavy metals prepared in accordance with Specification D It sets forth the environmental conditions of the test and the means for controlling v44. It does not cover tests in which specimens are placed in closed containers into which the solution is periodically pumped and the specimens not permitted to dry.

It sets forth the environmental conditions of the test and the means for controlling them. The values given in parentheses are for information only. Active view current version of standard. astmm

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Work Item s – proposed revisions of this 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.

Historically, it has been used asmt stress-corrosion cracking testing, but is often used for other forms of corrosion, such as uniform, pitting, intergranular, and galvanic. It is primarily for tests of aluminum asrm Test Method G47 and ferrous alloys, but may be used for other metals. For example, it does not predict the performance of aluminum alloys in highly acidic environments such as heated inhibited red fuming nitric acid IRFNA. Therefore, strict test conditions are aastm for maximum assurance that variations in results are attributable to variations in the material being tested.

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The general requirements of this present practice are also applicable to such exposures except that the qstm used, the solution concentration, and the solution pH should be as specified asmt Specification Asmt Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

Note 1 Alternate immersion stress corrosion exposures are sometimes made in substitute ocean water without heavy metals prepared in accordance with Specification D Consequently, information should be established to allow comparisons of performances of the alloy of interest in the alternate immersion test and in natural environments.

It is primarily for tests of aluminum alloys Test Method G47 and ferrous alloys, but may be used for other metals exhibiting susceptibility to chloride ions. Therefore, strict test conditions are stipulated for maximum assurance that variations in results are attributable to variations in gg44 material being tested.

Therefore, strict test conditions are stipulated for maximum assurance that variations in results are attributable to variations in the material being tested.

Record created asrm, last modified Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. The values given in parentheses are for information only. Standard practice for exposure of metals and alloys by alternate immersion in neutral 3. Information Discussion 0 Files Holdings.

ASTM G44 Alternate Immersion Corrosion Testing

Historical Version s – view previous versions of standard. It is the responsibility of the user of this standard to establish appropriate safety and health practices asfm determine the applicability of regulatory limitations prior to use.

This standard does not purport to address all of the safety concerns, if any, associated with its use. Historically, it has been used for stress-corrosion cracking testing, but is often used for other forms of corrosion, such as uniform, pitting, intergranular, and galvanic.

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The general requirements of this present practice are also applicable to such exposures except that the reagents used, the solution concentration, and the solution pH should be as specified in Specification D Note 2 — The alternate immersion concept can be useful for exposure of corrosion specimens in other solutions because the procedure and apparatus provide a controlled set of conditions. Note Reapproved Subject category Engineering Abstract 1.

Work Item s – proposed revisions of this standard. For such cases, the results of the alternate immersion test are of doubtful significance until a relationship has been established between it and anticipated service environments. 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.

Note 1 — Alternate immersion stress corrosion exposures are sometimes made in substitute ocean water without heavy metals prepared in accordance with Specification D Link to Active This link will always route to the current Active version of the standard.

The general requirements of this present practice are also applicable to such exposures except that the reagents used, the solution concentration, and the solution pH should aetm as specified in Specification D Link to Active This link will always route to the current Active version of the standard.

It sets forth the environmental conditions of the test and the means for controlling them.

It is primarily for tests of aluminum alloys Test Method G 47 and ferrous alloys, but may be used for other metals exhibiting susceptibility to chloride ions.