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Significance and Use
Coke undergoes various degrees of degradation during removal from coke ovens, transportation, and its decent within a blast furnace to the combustion zone. These processes subject the coke to impact and abrasion. This test method is a relative measure of the resistance of coke to breakage when subjected to these degradation processes.
1.1 This test method describes a procedure for obtaining a relative measure of the resistance to degradation of coke by impact and abrasion.
1.2 Standard Procedure—This procedure uses a coke sample sized to −75 mm [−3 in.] and + 50 mm [ + 2 in.].
1.3 Alternative Procedure—This procedure using coke sized 50 % of 63 by 50 mm [2½ by 2 in.] and 50 % of 50 by 37.5 mm [2 by 1 ½ in.].
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.5 This standard does not purport to address all of the safety problems, if any, associated with its use. 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D294 Method of Tumbler Test for Coke Withdrawn. The last approved version of this historical standard is referenced on www.astm.org.
D346 Practice for Collection and Preparation of Coke Samples for Laboratory Analysis
E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves
ICS Number Code 75.160.10 (Solid fuels)
UNSPSC Code 15101604(Coke)