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

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. Work Item s – proposed revisions of this standard. This ensures that you are always up-to-date and saves you both time and money. Therefore, the repeatability and astmm cited in this test method may not apply for these high-volatile bituminous, subbituminous, and lignite coals. Add to Alert PDF.

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ASTM D409/D409M:11ae1

Combining values from the two systems may result in non-conformance with the standard. Webprint Printed and bound. Subscription – always available and updated A astk subscription provides an easy and secure access to standards, and you are guaranteed to always have the latest edition.

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Atsm resultant size consist is used to produce an index relative to the ease of grinding [Hardgrove Grindability Index HGI ]. Start Webshop Product catalog Product presentation. 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. Read more about subscriptions.

ASTM D409/D409M – 16

The resultant size consist is used to produce an index relative to the ease of grinding [Hardgrove Grindability Index HGI ]. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards.

Monitoring Standards monitoring is a free service designed for you who wish to be alerted of changes to or new editions of the standards required in your work. The resultant astk consist is used to produce an index relative to the ease of grinding Hardgrove Grindability Index HGI. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.

Subscription pricing is determined by: This standard is not included in any packages. 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 xstm the current Active version of the standard.

Historical Version s – view previous versions of standard Work Item s – proposed revisions of this standard Translated Version s: It is the responsibility of the user of this standard to establish appropriate safety and f409 practices and determine the applicability of regulatory limitations prior to use. If the document is revised or 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.

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

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 asfm moisture level of the 1. The moment new editions of the standards you monitor are released, changes are made, or appendixes are published, you will be alerted by email.

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Proceed to Checkout Continue Shopping. Already Subscribed to astj document. 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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