ASTM D6158 - Specification for Mineral Hydraulic Oils
We perform quality and conformance testing by Specification ASTM D6158, which covers mineral hydraulic oils with certain performance requirements. This specification covers mineral oils used in hydraulic systems 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.
For additional information on this test method or to purchase a copy of the method, please click HERE to open a new window and visit the ASTM website.
The following is a list of tests required by Specification ASTM D6158. Some of these tests are customized for this exact specification. Alcor Petrolab and Phoenix Chemical Laboratory specialize in unusual and custom testing, and our testing capabilities are continuing to expand; contact one of our laboratories today to discuss the exact testing you need. To see more information about one of these tests, click on the test method number.
Table 1 Tests - Requirements for Type HH Mineral Oil Hydraulic Fluids
- ASTM D2422 - Viscosity System for Industrial Fluid Lubricants
- ASTM D445 - Kinematic Viscosity
- ASTM D2983 - Brookfield Viscosity
- ASTM D2270 - Viscosity Index
- ASTM D1298 - Density (API Gravity)
or ASTM D4052 - Density & API Gravity (Alternate test for ASTM D1298) - ASTM D92 - Flash & Fire Point
- ASTM D97 - Pour Point
- ASTM D974 - Acid/Base Number
or ASTM D664 - Acid Number (Alternate test for ASTM D974) - ASTM D471 - Swell Test
Table 2 Tests - Requirements for Type HL Mineral Oil Hydraulic Fluids
- ASTM D2422 - Viscosity System for Industrial Fluid Lubricants
- ASTM D445 - Kinematic Viscosity
- ASTM D2983 - Brookfield Viscosity
- ASTM D2270 - Viscosity Index
- ASTM D1298 - Density (API Gravity)
or ASTM D4052 - Density & API Gravity (Alternate test for ASTM D1298) - ASTM D92 - Flash & Fire Point
- ASTM D97 - Pour Point
- ASTM D974 - Acid/Base Number
or ASTM D664 - Acid Number (Alternate test for ASTM D974) - ASTM D665 - Corrosion Protection
- ASTM D130 - Corrosion Copper Strip
- ASTM D1401 - Water Separability
- ASTM D471 - Swell Test
- ASTM D892 - Foaming Sequence
- ASTM D3427 - Air Release Value
- ASTM D943 - Oxidation Stability
- ASTM D4310 - Sludging & Corrosion Tendency of Mineral Oils
- ASTM D2070 - Thermal Stability of Hydraulic Oils
Table 3 Tests - Requirements for Type HM Mineral Oil Hydraulic Fluids
- ASTM D2422 - Viscosity System for Industrial Fluid Lubricants
- ASTM D445 - Kinematic Viscosity
- ASTM D2983 - Brookfield Viscosity
- ASTM D2270 - Viscosity Index
- ASTM D1298 - Density (API Gravity)
or ASTM D4052 - Density & API Gravity (Alternate test for ASTM D1298) - ASTM D92 - Flash & Fire Point
- ASTM D97 - Pour Point
- ASTM D974 - Acid/Base Number
or ASTM D664 - Acid Number (Alternate test for ASTM D974) - ASTM D665 - Corrosion Protection
- ASTM D130 - Corrosion Copper Strip
- ASTM D1401 - Water Separability
- ASTM D471 - Swell Test
- ASTM D892 - Foaming Sequence
- ASTM D3427 - Air Release Value
- ASTM D943 - Oxidation Stability
- ASTM D4310 - Sludging & Corrosion Tendency of Mineral Oils
- ASTM D2070 - Thermal Stability of Hydraulic Oils
- ASTM D7043 - Wear Characteristics of Hydraulic Fluid
Table 4 Tests - Requirements for Type HV Mineral Oil Hydraulic Fluids
- ASTM D2422 - Viscosity System for Industrial Fluid Lubricants
- ASTM D445 - Kinematic Viscosity
- ASTM D2983 - Brookfield Viscosity
- ASTM D6080 - Hydraulic Fluid Viscosity Characteristics
- ASTM D2270 - Viscosity Index
- ASTM D1298 - Density (API Gravity)
or ASTM D4052 - Density & API Gravity (Alternate test for ASTM D1298) - ASTM D92 - Flash & Fire Point
- ASTM D97 - Pour Point
- ASTM D974 - Acid/Base Number
or ASTM D664 - Acid Number (Alternate test for ASTM D974) - ASTM D665 - Corrosion Protection
- ASTM D130 - Corrosion Copper Strip
- ASTM D1401 - Water Separability
- ASTM D471 - Swell Test
- ASTM D892 - Foaming Sequence
- ASTM D3427 - Air Release Value
- ASTM D943 - Oxidation Stability
- ASTM D4310 - Sludging & Corrosion Tendency of Mineral Oils
- ASTM D2070 - Thermal Stability of Hydraulic Oils
- ASTM D7043 - Wear Characteristics of Hydraulic Fluid