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ASTM E382-02

(Test Method)

Standard Test Method for Determination of Crushing Strength of Iron Ore Pellets

Standard Test Method for Determination of Crushing Strength of Iron Ore Pellets

SCOPE
1.1 This test method describes a method for determining the crushing strength of fired iron ore pellets. Cylindrical agglomerates, briquettes, and reduced pellets are not covered by this test method.  
1.2 The values as stated in SI units are to be regarded as the standards. The values in parentheses are given for information only.  
1.3  This standard does not purport to address all of the safety concerns, 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.

General Information

Status
Historical
Publication Date
09-May-2002
ICS
73.060.10 - Iron ores
Technical Committee
E01 - Analytical Chemistry for Metals, Ores, and Related Materials
Drafting Committee
E01.02 - Ores, Concentrates, and Related Metallurgical Materials
Current Stage
Ref Project

Relations

Replaces
ASTM E382-97 - Standard Test Method for Determination of Crushing Strength of Iron Ore Pellets
Effective Date
10-May-2002
Replaced By
ASTM E382-07 - Standard Test Method for Determination of Crushing Strength of Iron Ore Pellets
Effective Date
01-Jun-2007
Referred By
ASTM E3330-22 - Standard Guide for Contents of Documentation and Statistical Treatments for Reference Materials for Metals, Ores, and Related Materials
Effective Date
10-May-2002

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ASTM E382-02 - Standard Test Method for Determination of Crushing Strength of Iron Ore PelletsASTM E382-02 - Standard Test Method for Determination of Crushing Strength of Iron Ore Pellets
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ASTM E382-02 - Standard Test Method for Determination of Crushing Strength of Iron Ore Pellets
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:E382–02
Standard Test Method for
1
Determination of Crushing Strength of Iron Ore Pellets
This standard is issued under the fixed designation E 382; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 4. Summary of Test Method
1.1 Thistestmethoddescribesamethodfordeterminingthe 4.1 A load is applied on a single pellet at a specified speed
crushing strength of fired iron ore pellets. Cylindrical agglom- of the compressive platen until the pellet is broken. This
erates, briquettes, and reduced pellets are not covered by this procedure is repeated on all pellets of the test sample.
test method.
5. Significance and Use
1.2 The values as stated in SI units are to be regarded as the
5.1 The crushing strength aids the pellet producer in the
standards. The values in parentheses are given for information
only. determination of quality problems associated with the produc-
tion of pellets.
1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the 5.2 The crushing strength is often used by the pellet
consumer as a quality indicator for performance in the blast
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica- furnace.
bility of regulatory limitations prior to use.
6. Apparatus
2. Referenced Documents
6.1 Loading Unit:
6.1.1 The loading capacity shall be 1000 kgf or more (1000
2.1 ASTM Standards:
E 50 Practices forApparatus, Reagents, and Safety Precau- kgf = 9.806 kN).
2
6.1.2 The compressive platens shall be installed in parallel
tions for Chemical Analysis for Metals
E 135 Terminology Relating to Analytical Chemistry for planes. The surface of the platens that are in contact with the
2
sample shall be made of surface-hardened steel.
Metals, Ores, and Related Materials
E 389 Test Method for Particle Size or Screen Analysis at 6.1.3 A device for setting the speed of the compressive
No. 4 (4.75-mm) Sieve and Coarser for Metal-Bearing platen at 0.25 6 0.08 mm/s over the entire test period shall be
3
used.
Ores and Related Materials
E 877 PracticeforSamplingandSamplePreparationofIron
NOTE 1—Iftheplatenspeedisnotconstantduringthetestcycle,results
3
Ores and Related Materials
may differ depending upon the test machine used.
6.2 Indicating Unit, consists of a load transfer device and a
3. Terminology
load indicator.
3.1 Definitions—For definitions of terms used in this test
6.2.1 Load Transfer Device:
method, refer to Terminology E 135.
6.2.1.1 The transfer of the applied load to the load indicator
3.2 Descriptions of Terms Specific to this Standard
shall be by a load cell or by a lever.
3.2.1 crushing strength, n—average compressive load
6.2.1.2 The capacity of the load cell shall be at least 1000
needed to break the pellets in the test sample completely.
kg.
6.2.2 Load Indicator:
6.2.2.1 The applied load shall be indicated either by an
1
This test method is under the jurisdiction of ASTM Committee E01 on
electric indicator (recording chart, meter with needle rider, or
Analytical Chemistry for Metals, Ores, and Related Materials and is the direct
othersuitabledevice)fortheloadcelltype,orbyamechanical
responsibility of Subcommittee E01.02 on Ores, Concentrates, and Related Metal-
lurgical Materials.
indicator (gage equipped with needle rider or other suitable
Current edition approved May 10, 2002. Published June 2002. Originally
device) for the lever type.
published as E382 – 68T. Last previous edition E382 – 97.
2 6.2.2.2 When using a load cell, the chart recorder response
Annual Book of ASTM Standards, Vol 03.05.
3
Annual Book of ASTM Standards, Vol 03.06. time shall be 1.0 s or less for a full-scale deflection.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
E382
6.2.2.3 The minimum graduation shall be 1/100 of the full 9.2 Apply the load at a constant rate of 0.25 6 0.08 mm/s
scale. throughout the test period.
6.2.2.4 The testing machine shall be calibrated periodically. 9.3 Record the maximum load at which each test piece
1
6.3 Sieves—Square mesh sieves 12.5 mm ( ⁄2 in.) and 9.5 breaks completely.
3
mm ( ⁄8 in.) are recommended; however, others may be used in
10. Report
agreement between parties.
10.1 The test report shall include the following:
7. Hazards
10.1.1 Crushing strength, expressed as the mean value, in
7.1 For precautions to be observed in this method, refer to kilogram-force, of all measurements.
Practice E 50. 10.1.2 Standard dev
...

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