国家标准GB/T 230.1-2018是在GB/T 230.1-2009的基础上，修改采用国际标准ISO 6508-1：2016得到的。通过与旧标准进行对照，对新标准修改内容包括名称、范围、规范性引用文件、原理、符号、缩写术语和名称、试验设备、试样、试验程序、试验报告、附录C和附录D等进行了详细的介绍和解析。结果表明：引入JJG 112、规定使用前应对硬度计进行日常检查、修改附录C、将附录C和附录D由资料性附录改为规范性附录等都是新标准的重要修改内容；与旧标准相比，新标准GB/T 230.1-2018更加完善、严谨，更便于执行，具有明显的进步。

Based on GB/T 230.1-2009, national standard GB/T 230.1-2018 was got from revising and applying international standard ISO 6508-1:2016. Through comparing with the previous version standard, the new standard revision contents including the name, scope, normative references, principle, symbols, abbreviated terms and designations, testing machine, test piece, procedure, test report, annex C and annex D were introduced and analyzed in detail. The result shows that revisions such as introducing JJG 112, stipulating that a daily check for hardness tester should be done before test, revising annex C, changing annex C and annex D from informative annex to normative annex etc., were all very important modification for the new standard. Compared with previous version standard, GB/T 230.1-2018 is more complete, more rigorous and easier to carry out, and has obvious progress.