标准号:AS 2197-1978
中文标准名称:锻钢中非金属杂质含量的显微评估法
英文标准名称:Method for the micrographic assessment of the non-metallic inclusion content in wrought steel
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
国际标准分类号:77.040.99
适用范围:Describes procedures for the comparison of micrographic images with standard Jernkontoret or ASTM charts. Details are given for the preparation of test pieces, test procedures, assessment of the images, expression of results and the preparation of a test report. The charts are reproduced full size. An example of assessment of a micrographic field and calculation of an average field rating number are given in appendices.