ASTM D6158-23

Detail information

Designation: ASTM D6158-23

Publication date: 01/11/2023

Pages: 15

Country: American technical standard

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Anotation

This specification covers the standard for mineral oils used in hydraulic systems which require refined base oil (Class HH), refined mineral base oil with rust and oxidation inhibitors (Class HL) or refined mineral base oil with rust and oxidation inhibitors plus antiwear characteristics (Class HM). This specification only covers lubricating oils before they are installed in the hydraulic system and does not include all hydraulic oils. Requirements for the mineral oils shall include, but not limited to, viscosity, specific gravity, appearance, flash point, chemical acid number, corrosion, water separation, elastomer compatibility, air release, and thermal stability.


Keywords:
antiwear protection, guideline, hydraulic oils, mineral oils, rust and oxidation protection, synthetic base stocks, viscosity index,, ICS Number Code 75.120 (Hydraulic fluids)