Equipment corrosion
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The severe corrosion of nitric acid equipment is due to substandard steel, or are there issues with the manufacturing process?
Concentration, temperature. The material of the steel. It is necessary to consult the corrosion data manual; if the material selection is incorrect, no equipment will be able to function properly
1. If a new device is severely corroded, check whether the materials selected for its design are appropriate; if so, examine the manufacturing quality as well as the accompanying documentation, and arrange for a testing agency to conduct inspections. 2. If corrosion worsens after the device has been in normal use for some time, verify that the process parameters match those specified in the design
What specific materials and operating conditions are involved? What is the concentration? Is aluminum used for concentrated nitric acid? Check it out
Thank you, I’m new here; I really appreciate your help.
The storage tanks are made of aluminum, while the rest are probably made of C4 carbon steel; I personally think there are still some issues with that.
Some of the equipment is quite old, and there is a lack of new machines and tanks; major renovations are planned for next year. I’m new here, just starting out. Thank you all for your help.
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