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

ASTM D409/D409M – 16

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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. 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 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.

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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Combining values from the two systems may result in non-conformance with the standard. 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. Historical Version s – view previous versions of standard Work Item s – proposed revisions of this standard Translated Version s: Active view current version of standard. Webprint Printed and bound. 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.

The moment new editions of the standards you monitor are released, changes are made, or appendixes are published, you will be alerted by email. You need to log in before adding standards to the monitoring service. The values given in parentheses may be approximate. 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 D409/D409M:11ae1

It is the responsibility of the user of this e409 to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

We have no amendments or corrections for this standard. A web subscription provides an easy and secure access to standards, and you are guaranteed to always have the latest edition. Need more than one copy? Already Subscribed to this document. 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. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.

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This service is not available if you are a URL user where you do not log in with an email address. Work Item s – proposed revisions of this standard. This standard is not included in any packages. The values stated in each system may xstm be exact equivalents; therefore, each system shall be used independently of the other.

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

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the 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.

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

As the voice of the U. 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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The benefits of a subscription: Link to Active This link will always route to the current Active version of the standard. Combining values from the two systems may result in non-conformance with the standard.

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