BS 7926-1998 铸钢非金属夹杂物百分比含量测定的定量显微照相法

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标准号:BS 7926-1998
中文标准名称:铸钢非金属夹杂物百分比含量测定的定量显微照相法
英文标准名称:Quantitative micrographic methods to determine the percentage content of non-metallic inclusions in cast steel
标准类型:H25
发布日期:1998/8/15 12:00:00
实施日期:1998/8/15 12:00:00
中国标准分类号:H25
国际标准分类号:77.080.20
适用范围:This British Standard specifies two micrographic methods for determining the non-metallic inclusion content of cast steels. Numerical values of the area fraction of non-metallic inclusions present in samples of cast steels is specified. The percentage content ranges of non-metallic inclusions are specified for four melting and refining methods in use in steel foundries throughout the UK. In addition to the definitive requirements, this standard also requires the items detailed in clause 4 to be documented. For compliance with this standard, both the definitive requirements and the documented items have to be satisfied.

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