BS EN ISO 945-1-2008 铸铁微观结构.通过目测分析进行石墨的分类

标准号：BS EN ISO 945-1-2008
中文标准名称：铸铁微观结构.通过目测分析进行石墨的分类
英文标准名称：Microstructure of cast irons - Part 1: Graphite classification by visual analysis
标准类型：H41
发布日期：2008/12/31 12:00:00
实施日期：2008/12/31 12:00:00
中国标准分类号：H41
国际标准分类号：77.080.10;77.140.80
适用范围：This part of ISO 945 specifies a method of classifying the microstructure of graphite in cast irons bycomparative visual analysis.The purpose of this part of ISO 945 is to provide information about the method of graphite classification. It isnot intended to give information on the suitability of cast-iron types and grades for any particular application.The particular material grade is specified by results from tensile tests or hardness testing and, in the case ofaustenitic cast irons, by their chemical composition. The interpretation of graphite form and size does notallow a statistically valid statement on the fulfilment of the requirements specified in the relevant materialstandard. The structure of the metallic matrix (e.g. ferrite, pearlite) has a significant effect on the materialproperties. Such an interpretation is not the purpose of this part of ISO 945.