Active Standard: F2730 / F2730M - 13
Definitions Added definitions for color variation , scratches, and raw material lot. Revised ceramic second phase, material lot, and metallic phase to be same as F2094. Revised snowflake definition to be the same as the one added to F2094. Added discussion to material lot definition. Starting Powder Composition Same as was done for F2094 Inspection and Verification Changed faults to origins like with F2094. Moved a couple of indications to what I think are more appropriate categories. Added scratches to the list under Processing origin.
Keywordsbearing rollers; ceramic; roller bearings; silicon nitride; Si