ASTM D409 PDF

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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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The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of asmt other. Please first log in with a verified email before subscribing to alerts. Already Subscribed to this document.

ASTM D409/D409M:11ae1

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 asrm amount of grinding energy in a miniature pulverizer, and the size consist of the pulverized product is determined by sieving. 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: The resultant size consist is used to produce an index relative to the ease of grinding [Hardgrove Grindability Index HGI ].

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Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Standards Subsctiption may be the perfect solution. 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 the 1.

Read more about subscriptions. A prepared and sized sample receives a definite amount of atm 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

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 ]. F409 values from the two systems may result in non-conformance with the standard. Subscription pricing is determined by: Add to Alert PDF.

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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. Work Item s – proposed revisions of this standard. If the document is revised or amended, you will be notified by email. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. A web subscription provides an easy and secure access to standards, and you are guaranteed to always have the latest edition.

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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. Webprint Printed and bound.

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 the 1. Active axtm current version of standard. Your Alert Profile lists the documents that will be monitored. The benefits of a subscription: