ASTM D6158 Test Specimens

Metaspec manufactures test specimens required by Specification ASTM D6158, which covers mineral hydraulic oils with certain performance requirements. The hydraulic oils described in this specification are Class HH, Class HL, Class HM, and Class HV. Certain equipment or conditions may permit or require a wider or narrower range of characteristics than described by this specification.


The following is a list of tests in Specification ASTM D6158 that require test specimens. Some of these tests may be customized for this specification. Click on the test method number for more information about specimens required for each test.

To learn more about this specification, click HERE.