標準號：IS 8811-1978
發(fā)布日期：1978/10/1 12:00:00
實施日期：1999/12/31 12:00:00
適用范圍：1.1 This standard describes a spectrographic method for determination of the following elements when present as alloying elements or as impurities in steels by the point to plane spark technique in the concentration ranges shown below:Element Concentration Range, PercentSilicon 0·1-0·80Manganese 0·05-l·50Nickel 0·05-5·00Chromium 0·05-3·00Molybdenum 0·05-1·50Vanadium 0·03-0·70Copper 0·05-0·501.2 This method is prescribed for analysis of plain carbon and low alloy steels with an iron content of 94 percent, Min.