GB/T 231.1-2018 Translated English of Chinese Standard. (GBT 231.1-2018, GB/T231.1-2018, GBT231.1-2018): Metallic materials - Brinell hardness test - Part 1: Test method [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]This Part of GB/T 231 specifies the principle, symbols and descriptions, test apparatus, test piece, test procedure, uncertainty of the results and test report of the Brinell hardness test for metallic materials. This Part applies to both fixed location Brinell hardness testers and portable Brinell hardness testers. For the Brinell hardness test for special materials or products, it may refer to GB/T 9097 and this Part. |
Common terms and phrases
accordance with GB/T according to formula according to GB/T alloys automatic measuring system Brinell hardness HBW Brinell hardness test Brinell hardness value calculated according calibration value Carbide ball diameter certified reference material Clause diameter index 0.102 diameter of indentation force-ball square diameter given in GB/T given in Table hardness measurement hardness reference blocks hardness scales Hardness symbol hardness tester’s calibration hardness value Measurement Indentation diameter measuring indentation lies indirect verifications carried international standard JJG 150 Verification mean diameter mean indentation diameter Metallic materials method M1 Minimum thickness Normative references optical measurement piece in relation primary standard hardness ratio of indentation reference blocks Hardness REPLACE ISO Sintered specified square diameter index standard hardness tester Standard uncertainty Symbols and descriptions systematic error Table A.1 Table C.1 Table C.2 test bench Test force-ball square Test method test piece test report test result Ucorr Umpe uncertainty Measurement result value of CRM Verification and calibration