ASTM D409 PDF

ASTM D/DM: Standard Test Method for Grindability of Coal by the Hardgrove-Machine Method. These standards are covered in ASTM D In the test procedure a given amount “0” to “60” and stop. Remove the coal sample and test as per ASTM D Description. Primary Hardgrove Grindability Index (HGI) Standards prepared in strict accordance with the most current version of. ASTM D , Standard Test.

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ASTM D – 02 Standard Test Method for Grindability of Coal by the Hardgrove-Machine Method

Active view current version of standard. A prepared and sized sample receives a definite amount of grinding energy in a miniature pulverizer, and the size consist of the pulverized product is determined by sieving.

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Therefore, the repeatability and reproducibility cited in this test method may not apply for these high-volatile bituminous, subbituminous, and lignite coals. The resultant size consist is used to produce an index relative to the ease of grinding Hardgrove Grindability Index HGI. 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.

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Work Item s – proposed revisions of this standard. This standard is not included in e409 packages. This change is often sufficient to alter the grindability characteristics that will be reported when tested in the laboratory and could produce different indices dependent on the conditions of asstm and the moisture level of the 1.

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ASTM D409/D409M:11ae1

Historical Version s – view previous versions of standard. NOK 1 ,00 excl. A asttm subscription provides an easy and secure access to standards, and you are guaranteed to always have the latest edition. 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.

If the document is revised asrm amended, you will be notified by email. Therefore, the repeatability and reproducibility cited in this test method may not apply for these high-volatile bituminous, subbituminous, and lignite coals.

ASTM D/DM – Standard Test Method for Grindability of Coal by the Hardgrove-Machine Method

Subscription pricing is determined by: You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. The resultant size consist is used to produce an index relative to the ease of grinding [Hardgrove Grindability Index HGI ].

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Historical Version s – view previous versions of standard Work Item s – proposed revisions of this standard Translated Version s: