Server maintenance is scheduled for Saturday, December 21st between 6am-10am CST.

During that time, parts of our website will be affected until maintenance is completed. Thank you for your patience.

Menu
Search
Filters
Close
Menu

Use GIVING24 at checkout to save 20% on eCourses and books (some exclusions apply)!

Corrosion Of Stainless Steels In Sulphuric Acid Environments: Influence Of Halide Content, Oxidizing Ions And Temperature

Picture for Corrosion Of Stainless Steels In Sulphuric Acid Environments: Influence Of Halide Content, Oxidizing Ions And Temperature
Available for download
Product Number: 51321-16943-SG
Author: T. Kosec; P. Mocnik; T. Ohligschlager; T. Nyyssonen; H. Peltola; M. Lindgren; Y. El Ouazart; S. Hagg Mameng; L. Wegrelius; J. B. Jorcin; E. Huttunen-Saarivirta
Publication Date: 2021
$0.00
$20.00
$20.00

Stainless steel is a common material in reactors, tanks, pipes, mixers, filters and valves in process industry. The selection of a suitable stainless steel grade for a specific industrial application is conducted based on the characteristics of the environment, but often limited by the foreseen lifecycle costs. For applications in raw material sector, the main challenge is that corrosion performance data for several stainless steel grades for, e.g., hydrometallurgical processes is lacking. Corrosion rate of the materials may remain low when general corrosion is the primary corrosion form, but material losses across wall thickness may become high if localized
corrosion is present. Therefore, in order to make material choices that enable a continuous and safe operation of the process, it is important to define such operation conditions that cause the corrosion mechanism change.
In this research, altogether six austenitic and duplex stainless steel grades with a varying Pitting
Resistance Equivalent Number (PREN) were studied in test environments which varied with respect to
their H₂SO₄ and chloride concentrations, while temperature ranged from room temperature up to 90°C. The results from potentiodynamic polarization measurements are presented and discussed. The electrochemical measurements are complemented with immersion tests conducted in environments with chlorides.

Stainless steel is a common material in reactors, tanks, pipes, mixers, filters and valves in process industry. The selection of a suitable stainless steel grade for a specific industrial application is conducted based on the characteristics of the environment, but often limited by the foreseen lifecycle costs. For applications in raw material sector, the main challenge is that corrosion performance data for several stainless steel grades for, e.g., hydrometallurgical processes is lacking. Corrosion rate of the materials may remain low when general corrosion is the primary corrosion form, but material losses across wall thickness may become high if localized
corrosion is present. Therefore, in order to make material choices that enable a continuous and safe operation of the process, it is important to define such operation conditions that cause the corrosion mechanism change.
In this research, altogether six austenitic and duplex stainless steel grades with a varying Pitting
Resistance Equivalent Number (PREN) were studied in test environments which varied with respect to
their H₂SO₄ and chloride concentrations, while temperature ranged from room temperature up to 90°C. The results from potentiodynamic polarization measurements are presented and discussed. The electrochemical measurements are complemented with immersion tests conducted in environments with chlorides.

Product tags
Also Purchased
Picture for 01342 Metallic Materials for Concentrated Sulfuric
Available for download

01342 Metallic Materials for Concentrated Sulfuric Acid Service

Product Number: 51300-01342-SG
ISBN: 01342 2001 CP
Author: Michael H. W. Renner
$20.00
Picture for 04233 Alloy Selection for Dilute and Medium
Available for download

04233 Alloy Selection for Dilute and Medium Concentration Sulfuric Acid

Product Number: 51300-04233-SG
ISBN: 04233 2004 CP
Author: Ulrich Brill and Helena Alves, ThyssenKrupp VDM GmbH
Publication Date: 2004
$20.00

Sulfuric acid is one of the most important elementary substances of the chemical industry.  There is no stainless steel or even a nickel base alloy available which is suitable over the entire concentration range.  This paper will give corrosion data in up to 75 % sulfuric acid at boiling temperature for various commercial grades as well as for some new developmental alloys.
Picture for 06222 CORROSION PERFORMANCE AND APPLICATIONS
Available for download

06222 CORROSION PERFORMANCE AND APPLICATIONS OF ALLOY 31 AND ALLOY 59 IN SULFURIC ACID MEDIA

Product Number: 51300-06222-SG
ISBN: 06222 2006 CP
Author: Helena Alves, Helmut Werner, D.C. Agarwal
$20.00
Categories
Industry
Recently viewed
Popular tags
View all

Association for Materials Protection and Performance

© AMPP All Rights Reserved.
Membership Terms of Content Use
Contact Customer Support