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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The values stated in each system may not be exact d40 therefore, each system shall be used independently of the other. Standards Subsctiption may be the perfect solution. Proceed to Checkout Continue Shopping. Link to Active This link will always route to the current Active version of the standard.

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Read more about subscriptions. Historical Version s – view previous versions of standard. We have no amendments or corrections for this standard. 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. Ashm more than one copy?

ASTM D409/D409M – 16

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ASTM D409/D409M:11ae1

Historical Version s – view previous versions of standard Work Item s – proposed revisions of this standard Translated Version s: 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 service is not available if you are a URL user where you do not log in with an email address.

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The resultant size consist is used to produce an index relative to the ease of grinding Hardgrove Grindability Index HGI. 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 d049 bituminous, subbituminous, and lignite coals. If the document is revised or amended, you will be notified by email.

The resultant size consist is used to produce an index relative to the ease of grinding [Hardgrove Grindability Index HGI ].

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

Your Alert Profile lists the documents that will be monitored. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. 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.

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Already Subscribed to this document. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Start Webshop Product catalog Product presentation.

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

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