ASTM G44 PDF

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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ASTM G44 Alternate Immersion Corrosion Testing

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 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.

Details of this are beyond the scope of this practice. Information Discussion 0 Files Holdings. 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.

For example, it does not predict the performance h44 aluminum alloys in highly acidic environments such as heated inhibited red fuming nitric acid IRFNA. 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.

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Historical Version s – view previous versions of standard. It is the responsibility of the aatm of this standard to establish appropriate safety and health practices and v44 the applicability of regulatory limitations prior to use.

Work Item s – proposed revisions of this standard. The values given in parentheses are astj information only. 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 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.

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It is primarily for tests of aluminum alloys Test Method G47 and ferrous alloys, but may be used for other metals.

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

Note 1 — Alternate immersion stress corrosion exposures are sometimes made in substitute ocean water without heavy metals prepared in accordance with Specification D The general requirements of this present practice are also applicable to such asstm except that the reagents used, the solution concentration, and the solution pH should be as specified in Specification D 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.

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.

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 The general requirements of asrm 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 Active view current version of standard.

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

It sets forth the environmental conditions of the test and the means for controlling them. Record createdlast modified Note 1-Alternate immersion stress corrosion exposures are sometimes made in substitute ocean water without heavy metals prepared in accordance with Specification D 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.

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

Work Item s – proposed revisions of this standard.

Link to Active This link will always route to the current Active version of the standard. Note Reapproved Subject category Engineering Abstract 1. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

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. Standard practice for exposure of metals and alloys by alternate immersion in neutral 3.