標準號：BS EN ISO 945-1-2008
中文標準名稱：鑄鐵微觀結構.通過目測分析進行石墨的分類
英文標準名稱：Microstructure of cast irons - Part 1: Graphite classification by visual analysis
標準類型：H41
發布日期：2008/12/31 12:00:00
實施日期：2008/12/31 12:00:00
中國標準分類號：H41
國際標準分類號：77.080.10;77.140.80
適用范圍：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.