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

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

Read more about subscriptions. A web subscription provides an easy and secure access to standards, and you are guaranteed to always have the latest edition. Therefore, the repeatability and reproducibility cited in this test method may not apply for these high-volatile bituminous, subbituminous, and lignite coals. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. 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.

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Add to Alert PDF. The resultant size consist is used to produce an index relative to the ease of grinding [Hardgrove Grindability Index HGI ]. Historical Version s – view previous d40 of standard Work Item s – proposed revisions of this standard Translated Version s: Need more than one copy? The values given in parentheses may be approximate. Already Subscribed to c409 document. Standards Subsctiption may be the perfect solution.

Link to Active This link will always route to the current Active version of the standard. The resultant size consist is used to produce an index relative to the ease of grinding [Hardgrove Grindability Index HGI ].

The resultant size consist is used to produce astj index relative to the ease of grinding Hardgrove Grindability Index Asrm. 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 drying and the moisture level of astj 1.

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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.

ASTM D409/D409M:11ae1

Subscription – always available and updated A web subscription provides an easy and secure access to standards, and you are guaranteed to always have the latest edition. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. 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.

This ensures that you are always up-to-date and saves you both time and money. 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.

Combining values from the two systems may result in non-conformance with the standard.

ASTM D409/D409M – 16

If the document is revised or amended, you will be notified by email. Work Item s – proposed revisions of this standard. The benefits of a subscription: