There are many test procedures in the ASTM bag of tricks. They are all revelent to the material they were designed to test. A lot of these procedures have been superceded by new procedures. The Timken test is a prime example of a test pionered by a major company that bears no informatin that to-day can be used by the consumer of the products quoting that test spec. It is relevent but not the complete story on the anti ware qualities of the material being tested. Test your knowledge of the capibilities of various lubricants both oils and grease by looking at the original OPTIMOL SRV test equipment. This is used world wide but seldom quoted.