American Society for Testing and Materials (ASTM). Current edition approved June 1, 2010. Published June 2010. Originally approved in 1924. Last previous edition approved in 2008 as E10 – 08. 32 p. This test method covers the determination of the Brinell hardness of metallic materials by the Brinell indentation hardness principle. This standard provides the requirements for a Brinell testing machine and the procedures for performing Brinell hardness tests