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介绍了ISO 18203∶2016(E)《钢—表面硬化层深度的测定》编制背景,对标准的主要内容,表面硬化层分类及意义、测定原理、试样、测量方法、结果评价等进行解读,分析了该标准与被替代的ISO 2639∶2002、ISO 3754∶1976和ISO 4970∶1979等三标准的差异,以及与GB/T 11354—2005《钢铁零件渗氮层深度测定和金相组织检验》在渗氮硬化层测定方面的差异。
This paper introduces the compiling background of ISO 18203: 02016 (E) “Steel - Determination of depth of surface hardened layer”, explains the main contents of the standard, classification and significance of surface hardened layer, measuring principle, sample, measuring method and result evaluation, The difference between the standard and the replaced three standards such as ISO 2639: 2002, ISO 3754: 1976 and ISO 4970: 1979 is analyzed, and the differences between GB / T 11354-2005 “Determination of Nitriding Layer Depth and Metallography of Steel Parts” Difference in the determination of nitrided hardened layers.