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Picture for 08085 High Performance Corrosion Resistant Stainless Steels and Nickel Alloys for Oil & Gas Applications
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08085 High Performance Corrosion Resistant Stainless Steels and Nickel Alloys for Oil & Gas Applications

Product Number: 51300-08085-SG
ISBN: 08085 2008 CP
Author: Dirk Aberle and Dinesh C. Agarwal
Publication Date: 2008
$20.00

In a 1998 study, costs for corrosion in USA were estimated to be about 276 billion US-$.  One way to reduce this gigantic amount of money is to use modern stainless steels and nickel alloys with excellent resistance to various forms of corrosion in corrosive environments like seawater, brines, oil and sour gas wells.
Picture for 10262 Corrosion Resistance of Nickel Alloys and Super Austenitic Stainless Steel Weld Claddings
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10262 Corrosion Resistance of Nickel Alloys and Super Austenitic Stainless Steel Weld Claddings as a Function of Dilution

Product Number: 51300-10262-SG
ISBN: 10262 2010 CP
Author: Dirk Aberle, Martin Wolf and Friedrich Stenner
Publication Date: 2010
$20.00

Nickel alloys UNS N06625, UNS N06059, UNS N06022, UNS N08825 and one Special Stainless Steel (UNS N08031) are overlay welded in 1 to 3 layers on carbon steel. The dilution is measured and results of pitting corrosion in an immersion test with “Green Death” solution will be discussed.
Picture for Corrosion Resistance of Roll-Bonded Clad Plates for Oil & Gas Applications
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51318-10588-Corrosion Resistance of Roll-Bonded Clad Plates for Oil & Gas Applications

Product Number: 51318-10588-SG
Author: Sandra Le Manchet / Bastien Chareyre / Cédric Chauvy / Sarata Cissé
Publication Date: 2018
$20.00

This paper will be dedicated to the corrosion resistance of roll-bonded UNS N06625 and N08825 clad materials.
Can One Coatings be Best for All CUI Service
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Can One Coatings be Best for All CUI Service

Product Number: 41216-987-SG
Author: Michael MeLampy
Publication Date: 2016
$20.00

Corrosion under Insulation (CUI) is accelerated corrosion that takes place under insulation typically used to conserve energy, help with process control, and protect workers from temperature extremes. CUI is an issue for facility owners in many industries that use heat or cold in their industrial processes, including chemical processing, refining, fertilizer manufacturing, and power generation. Insulation used in these applications is generally mechanically attached to the substrate vessel or pipeline and is typically covered with cladding. Cladding is typically made out of metal or plastic and is applied to protect the insulation from physical damage and to keep water away from the insulation and substrate.
Picture for Design Consideration for Internal Welding Attachments in Clad Pressure Vessels
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Design Consideration for Internal Welding Attachments in Clad Pressure Vessels

Product Number: MPWT19-14326
Author: Olivier Sarrat
Publication Date: 2019
$0.00

Process equipment which employs a corrosion resistant alloy (CRA) layer cladded to steel is common in refineries, petrochemical plants and other plants processing highly corrosive media. There are two regularly employed methods for welding attachments and internals to clad process vessels. One is to remove the CRA cladding for welding the attachment to the steel base metal assuming dissimilar welds and restoring CRA by weld overlay. The other eliminates the step of removing the cladding, simplifying the attachment process by direct welding of the internals onto the clad layer. With the lack of data to prove the integrity of direct welding attachment onto the clad layer, designers frequently demand the cladding be removed or allow only a conservatively low stress limit for what can be attached directly to the clad surface. It is well understood that eliminating the step of removing clad increases the simplicity, improves the lead-time, and reduces the cost of making these attachments for trays or other internals, but there are concerns about clad disbonding risks. With the aim to provide data around the integrity of direct welding attachments for better risk assessments, a technical study was undertaken. In this study, it will be shown that the bond between clad material and the base steel is robust enough to withstand the heaviest attachments and harshest conditions. The theory behind the technical study will be presented along with the results of this study
Picture for Mitigation of Caustic Corrosion: Alloy and Process Considerations for High Velocity Thermal Spray Cladding
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Mitigation of Caustic Corrosion: Alloy and Process Considerations for High Velocity Thermal Spray Cladding

Product Number: MPWT19-14436
Author: Matthew Robert MacWatters and Iain Stuart Hall
Publication Date: 2019
$0.00

The use of High-Velocity Thermal Spray (HVTS) technology has been well adopted for sour conditions; particularly where low, or locally low, pH conditions result in corrosion and shell thinning. High alloy systems resistant to low pH or acidic conditions are effective at providing a metallurgical barrier, protecting the underlying substrate from material loss. Moreover, HVTS processes have also been employed for mitigating environmentally induced cracking (EIC) in sour service. This paper discusses the suitability and performance of modified HVTS alloys for service where high pH general corrosion or caustic cracking (CSCC) may occur. Extensive testing has been undertaken in both ambient and high pressure and temperature autoclave conditions to better understand material performance in caustic environments. While Nickel Alloy 200 and Monel 400 may be deemed appropriate based on traditional material selections, thermal spray process considerations in the material deposition and the impact of ancillary elements in the process stream, such as halides, render these alloys unsuitable. More complex Nickel alloy cladding systems are evaluated in this study with suitable material recommendations for remediation without the deleterious heat impact of welding or to protect surfaces where heat affected zones have been created and post weld heat treatment is problematic.
Picture for New Developments in High Productivity Cladding Process and in LNG application.
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New Developments in High Productivity Cladding Process and in LNG application.

Product Number: MPWT19-15283
Author: Torchiana ing. Paolo
Publication Date: 2019
$0.00

Esab is always committed to technological innovations to support its customers in improving productivity and quality in their production units. This high focus has recently brought to the market an innovative cladding solution.
It is about the Integrated Cold Electrode for SAW process, launched in 2012 for joining application only. However, taking the benefits of its high flexibility and of the continuous development around it, it is now also possible to use it for cladding applications. It delivers the required weld deposit chemistry in a single layer solution by combining different wire grades with very low dilution.
Esab also has a long experience in LNG application, where a dedicated flux is well known all over the world. It has been designed some years ago to reduce crack susceptibility when NiCrMo wires are used to weld 9%Ni plates.
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