ISO 4491-4:2019

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Metallic powders - Determination of oxygen content by reduction methods - Part 4: Total oxygen by reduction-extraction

standard by International Organization for Standardization , 04/01/2019

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ISO 4491-4:2019 specifies a method for the determination of the total oxygen content of metallic powders by reduction-extraction at high temperature.

By agreement, this method is also applicable to the determination of the total oxygen content of sintered metal materials.

The method is applicable to all powders of metals, alloys, carbides, and mixtures thereof which are non-volatile under the test conditions. The sample can be in powder or compact form.

The analysis is carried out on the powder as supplied, but the method is not applicable if the powder contains a lubricant or binder. If such substances are present, the method may be used only if they can first be completely removed by a method not affecting the oxygen content of the powder.

This document is to be read in conjunction with ISO 4491-1.

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Document History

  1. ISO 4491-4:2019

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    Metallic powders - Determination of oxygen content by reduction methods - Part 4: Total oxygen by reduction-extraction

    • Most Recent

  2. ISO 4491-4:2013


    Metallic powders - Determination of oxygen content by reduction methods - Part 4: Total oxygen by reduction-extraction

    • Historical Version

  3. ISO 4491-4:1989


    Metallic powders - Determination of oxygen content by reduction methods - Part 4: Total oxygen by reduction-extraction

    • Historical Version

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Product Details

Edition:

3rd

Published:

04/01/2019

Number of Pages:

14

Same As:

BS EN ISO 4491-4:2019, DIN EN ISO 4491-4