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, Percent
Silicon 0·1-0·80
Manganese 0·05-l·50
Nickel 0·05-5·00
Chromium 0·05-3·00
Molybdenum 0·05-1·50
Vanadium 0·03-0·70
Copper 0·05-0·50
1.2 This method is prescribed for analysis of plain carbon and low alloy steels with an iron content of 94 percent, Min.
IS 8811-1978 history
1978IS 8811-1978 Method for spectral analysis of ordinary carbon steel and low alloy steel using point-to-surface spark technique