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Open Access
Advantages of lean duplex stainless steels in the pulp and paper industry, TAPPI Journal April 2023

ABSTRACT: The performance of lean duplex stainless steels has been utilized by the pulp and paper industry since their introduction to the market almost 20 years ago. Experience has shown that this group of stainless steels has exceptional performance in, for example, alkaline environments towards typical deterioration mechanisms, i.e., uniform corrosion and stress corrosion cracking. The chemistry of the “lean” duplex steels is designed so that the content of volatile and expensive elements like nickel and molybdenum can be reduced to an absolute minimum without sacrificing the technical performance. This reduces the raw material cost and most importantly provides predictability of the steel price, which is often challenging with conventional austenitic and duplex stainless steels.Thanks to a dual phase microstructure and high nitrogen content, lean duplex steels have at least two times higher strength compared to standard austenitic stainless steels. This is often a preferred feature in pulp and paper construction, as it enables lighter structures and less material to be utilized. Today, lean duplex steels are widely available in various dimensions, from thin cold rolled sheets up to thick hot rolled plates. Lean duplex steels are also fully recyclable after the decommissioning stage of the equipment, thereby contributing to the circular economy.

Journal articles
Open Access
Dimensioning a recovery boiler furnace using mathematical optimization 15FEB119

Dimensioning a recovery boiler furnace using mathematical optimization, TAPPI JOURNAL February 2015

Journal articles
Open Access
Mill study on improving lime kiln efficiency 15FEB133

Mill study on improving lime kiln efficiency, TAPPI JOURNAL February 2015

Journal articles
Open Access
Editorial: 2014 International Conferences • Fiber processing

Editorial: 2014 International Conferences • Fiber processing, chemicals & energy, asset management, regulations, and industry sustainability issues, TAPPI JOURNAL February 2015

Journal articles
Open Access
Improved steady-state models for chlorine dioxide delignification sequences that include washer carryover effects 15-Feb-93

Improved steady-state models for chlorine dioxide delignification sequences that include washer carryover effects, TAPPI JOURNAL February 2015

Journal articles
Open Access
Life cycle assessment of ECF bleaching sequences with ocus on carbon footprint 15-Jan-17

Life cycle assessment of ECF bleaching sequences with focus on carbon footprint, TAPPI JOURNAL January 2015

Journal articles
Open Access
Understanding recovery boiler smelt runoff phenomena 15-Jan-41

Understanding recovery boiler smelt runoff phenomena, TAPPI JOURNAL January 2015

Journal articles
Open Access
Editorial: 2014 International Conferences • Part 2: Focus on the Liquor Cycle, TAPPI JOURNAL July 2015

Editorial: 2014 International Conferences • Part 2: Focus on the Liquor Cycle, TAPPI JOURNAL July 2015

Journal articles
Open Access
Flexible pretreatment technology supports production of biobased co-products at pulp and paper mills, TAPPI JOURNAL 2015 March - 15MAR179

Flexible pretreatment technology supports production of biobased co-products at pulp and paper mills, TAPPI JOURNAL March 2015

Journal articles
Open Access
Biorefining to recover aromatic compounds with biological properties, TAPPI JOURNAL 2015 March - 15MAR187

Biorefining to recover aromatic compounds with biological properties, TAPPI JOURNAL March 2015

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