Wilbert Smith Archives Files Box 1131 19 1131-19-p261

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manganese detected in the spectrographic analysis suggests that the metallic material is best described as high-manganese austenitic steel. This is consistent with the very weak ferromasnene nature of the metal. The iron oxide and the hydrated iron oxides on the surface. are normal results of the exposure of steel to the atmosphere. The amounts of quartz and calcite detected by X-ray diffraction are very small, and are common extraneous materials. The low nickel and high manganese content are...