Published: Jan 1950
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Corrosion tests of welded stainless steels were made in a number of chemical plants under regular operating conditions, and the results are compared with those obtained on the same steels tested by the standard boiling nitric acid procedure in the laboratory. The steel specimens included types 304, 321, and 347 sheets, welded with types 308, 321, and 347 electrodes, respectively, and tested both in the as-welded and stress-relieved conditions. The results show no correlation between the standard nitric acid test and the plant corrosion tests. In the latter there were no significant differences between the results from type 321 steel and those from type 347 steel.
Comstock, G F
Assistant Director of Research, Titanium Alloy Manufacturing Div., National Lead Co., Niagara Falls, N. Y.