ASTM-D6200 Standard Test Method for Determination of Cooling Characteristics of Quench Oils by Cooling Curve Analysis

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Standard Test Method for Determination of Cooling Characteristics of Quench Oils by Cooling Curve Analysis




1.1 This test method describes the equipment and the procedure for evaluation of a quenching oil's quenching characteristics by cooling rate determination.

1.2 This test is designed to evaluate quenching oils in a non-agitated system. There is no correlation between these test results and the results obtained in agitated systems.

1.3 The values in SI units are to be regarded as the standard.

1.3.1 Exception—The values in parentheses are provided for information only.

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Significance and Use

5.1 This test method provides a cooling time versus temperature pathway which is directly proportional to physical properties such as the hardness obtainable upon quenching of a metal. The results obtained by this test may be used as a guide in heat treating oil selection or comparison of quench severities of different heat treating oils, new or used.


cooling curve; cooling rate; cooling time; quench oil;; ICS Number Code 75.080 (Petroleum products in general)

To find similar documents by ASTM Volume:

05.03 (Petroleum Products and Lubricants (III): D6138 - D6971)

05.04 (Petroleum Products and Lubricants (IV): D6973 - latest)

To find similar documents by classification:

75.080 (Petroleum products in general)

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Document Number


Revision Level

2001 R17 EDITION



Modification Type


Publication Date

Nov. 15, 2017

Document Type

Test Method

Page Count

6 pages

Committee Number