Download or read book GB T 231 1 2018 Translated English of Chinese Standard GBT 231 1 2018 GB T231 1 2018 GBT231 1 2018 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2018-12-23 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.