ASTM G44 PDF

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

Historical Version s – view previous versions of standard.

ASTM G44 Alternate Immersion Corrosion Testing

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. 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. Note 2 — The alternate immersion concept can be useful for exposure zstm corrosion specimens in other solutions because the procedure and apparatus provide a controlled set of conditions.

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

Record createdlast modified Details of this are beyond the scope of this practice. Note Reapproved Subject category Engineering Abstract 1. 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 Historically, it has been used for stress-corrosion cracking testing, but is axtm used for other forms of corrosion, such as uniform, pitting, intergranular, and galvanic.

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Information Discussion 0 Files Holdings. The general requirements of this present asmt 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 It is primarily for tests of aluminum alloys Test Method G 47 and ferrous alloys, but may be used for h44 metals exhibiting susceptibility to chloride ions. Therefore, strict test conditions are stipulated for maximum assurance that variations in results are attributable to variations in the material being tested.

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

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

Consequently, information should be established to allow comparisons of performances of the alloy of interest in the alternate immersion test and in natural environments. Note 1 — Alternate immersion stress corrosion exposures are astj made in substitute ocean water without heavy metals prepared in accordance with Specification D Work Item s – proposed revisions of this standard.

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 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 for stress-corrosion cracking testing, but is astk used for other forms of corrosion, such as uniform, pitting, intergranular, and galvanic.

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Active view current version of standard. Standard practice for exposure of metals and alloys by alternate immersion in neutral 3. Link to Active This link will always route to the current Active version 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 Work Item s – proposed revisions of this standard. It is primarily for tests of aluminum alloys Test Method G444 and ferrous alloys, but may be used for other metals.

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

G2MT Laboratories

The atm 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 This standard does not purport to address all of the safety concerns, if any, associated with its use.

It sets forth the environmental conditions of the test and the means for controlling them. It is the responsibility of the user of this aetm to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

The values given in parentheses are for information only. For example, it does not predict the performance of aluminum alloys in highly acidic environments such as heated inhibited red fuming nitric acid IRFNA.