Wilbert Smith Archives Files Box 1131 19 1131-19-p068

Document Text (OCR)

—~- —_""'e—_—_———— Rea || No magnesium was found in the steels. The analyses were made for all elements likely to be alloyed with iron. The iron content quoted is a measurement and is not determined by difference. The fact that the total percentages do not add up to 100% is due mainly to errors in measurement of the iron content rather than the presence of another element. The greatest error would be expected in the magnetic material where the presence of pearlite causes low readings for iron....