<abstract xmlns="http://www.w3.org/1999/xhtml">Austenitic stainless steels are often used for a materials in the construction of machines and equipment for agricultural and for industrial construction. One of the most important factors constructional material is corrosion resistance. Equipment with austenitic stainless steel can be easy join by quickly welding at a not to high construction price, but one with the serious problem in aggressive environment is their corrosion resistance.A few corrosion processes in crevices and awkward corners can be avoided at the design stage (low roughness parameters, round-section and other). But still the construction material is exposed to corrosion. These steels often come into contact with an aggressive environment based on nitric acid.The main aim of this research is to investigate corrosion resistance in different time (48, 96, 144, 192, 240, 288, 336 hours). For this used weight loss of test samples and its profile roughness. The research was conducted on austenitic stainless steel in grade in Nitrate acid at 333 K.Corrosion tests confirmed that the research this steel in 65% nitrate acid as a corrosive environments is characterized through proportionate to time corrosion process whose measure may be surface roughness. In industrial practice roughness parameters for all the research times can be used for determine the stage and size of steel corrosion.</abstract>

Austenitic stainless steels are often used for a materials in the construction of machines and equipment for agricultural and for industrial construction. One of the most important factors constructional material is corrosion resistance. Equipment with austenitic stainless steel can be easy join by quickly welding at a not to high construction price, but one with the serious problem in aggressive environment is their corrosion resistance.A few corrosion processes in crevices and awkward corners can be avoided at the design stage (low roughness parameters, round-section and other). But still the construction material is exposed to corrosion. These steels often come into contact with an aggressive environment based on nitric acid.The main aim of this research is to investigate corrosion resistance in different time (48, 96, 144, 192, 240, 288, 336 hours). For this used weight loss of test samples and its profile roughness. The research was conducted on austenitic stainless steel in grade in Nitrate acid at 333 K.Corrosion tests confirmed that the research this steel in 65% nitrate acid as a corrosive environments is characterized through proportionate to time corrosion process whose measure may be surface roughness. In industrial practice roughness parameters for all the research times can be used for determine the stage and size of steel corrosion.

Corrosion Effect of 65% Nitrate Acid on X4CrNi1812 at 333 K

University of Warmia and Mazury in Olsztyn

Conference Quality Production Improvement – CQPI

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Corrosion Effect of 65% Nitrate Acid on X4CrNi1812 at 333 K"}

Austenitic stainless steels are often used for a materials in the construction of machines and equipment for agricultural and for industrial construction. One...

Corrosion Effect of 65% Nitrate Acid on X4CrNi1812 at 333 K

Published Online: Oct 08, 2019

Page range: 425 - 432

Received: Mar 19, 2019

Accepted: May 22, 2019

DOI: https://doi.org/10.2478/cqpi-2019-0058

Keywords
steel, stainless steel, corrosion, corrosion rate, roughness

© 2019 Tomasz Lipiński et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Corrosion Effect of 65% Nitrate Acid on X4CrNi1812 at 333 K

Published Online: Oct 08, 2019

Page range: 425 - 432

Received: Mar 19, 2019

Accepted: May 22, 2019

DOI: https://doi.org/10.2478/cqpi-2019-0058

Keywordssteel, stainless steel, corrosion, corrosion rate, roughness

© 2019 Tomasz Lipiński et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
steel, stainless steel, corrosion, corrosion rate, roughness