ASTM A 892 - 06 Standard Guide for Defining and Rating the Microstructure of High Carbon Bearing Steels

American Society for Testing and Materials (ASTM). Current edition approved Sept. 1, 2006. Published September 2006. Originally approved in 1988. Last previous edition approved in 2001 as A 892 – 88 (2001). 5 p. This guide covers the description of carbide structures in annealed high carbon bearing steels.
Included is a guide for rating steel specimens by a graded series of photomicrographs showing the incidence of certain conditions