Metaspec manufactures test specimens used in quality testing by ASTM D4378, which covers in-service monitoring of mineral turbine oils for steam, gas, and combined cycle turbines.
The following tests in ASTM D4378 require test specimens. Click on the test method number for more information about specimens required for each test.
ASTM D665 Rust Test
ASTM D2272 Oxidation Stability
To learn more about this specification, click HERE.
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