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ASTM D4310-98

Historical Revision

Standard Test Method for Determination of Sludging and Corrosion Tendencies of Inhibited Mineral Oils

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1.1 This test method covers the tendency of inhibited mineral oil based steam turbine lubricants and mineral oil based anti-wear hydraulic oils to corrode copper catalyst metal and to form sludge during oxidation in the presence of oxygen, water, and copper and iron metals at an elevated temperature. The test method is also used for testing circulating oils having a specific gravity less than that of water and containing rust and oxidation inhibitors.

Note 1-During round robin testing copper and iron in the oil, water and sludge phases were measured. However, the values for the total iron were found to be so low (that is, below 0.8 mg), that statistical analysis was inappropriate. The results of the cooperative test program are available.

1.2 This test method is a modification of Test Method D943 where the oxidation stability of the same kinds of oils is determined by following the acid number of oil. The number of test hours required for the oil to reach an acid number of 2.0 mg KOH/g is the oxidation lifetime .

1.3 The values stated in acceptable metric units are to be regarded as the standard.

1.4 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. For specific precautionary statements, see 7.3, 7.4, 7.5, 7.6, 7.7, 7.10, and X1.15.


SDO ASTM: ASTM International
Document Number D4310
Publication Date June 10, 1998
Language en - English
Page Count 10
Revision Level 98
Supercedes
Committee D02.09.0C
Publish Date Document Id Type View
Nov. 1, 2022 D4310-22A Revision
July 1, 2022 D4310-22 Revision
June 1, 2020 D4310-20A Revision
Jan. 1, 2020 D4310-20 Revision
July 1, 2010 D4310-10 Revision
Oct. 1, 2009 D4310-09 Revision
Dec. 1, 2006 D4310-06B Revision
July 1, 2006 D4310-06A Revision
May 1, 2006 D4310-06 Revision
May 10, 2003 D4310-03 Revision
June 10, 1998 D4310-98 Revision
Oct. 1, 2015 D4310-10R15 Reaffirmation