The need for high-performing, corrosion-resistant alloys in oil and gas clad applications are increasing as more owner/operators move drilling operations offshore, into harsher conditions to tap petroleum reserves, which often contains more hydrogen sulphide (H2S).

Explosion Welding1 (EXW) a layer of corrosion-resistant alloys to carbon or low-alloy steel typically provides significant cost reduction for pressure vessels and other process equipment. Among all the existing nickel alloys, one specifically shows significant cost-benefit features: UNS N08825 (Alloy 825), a titanium stabilized Nickel-Iron-Chromium alloy. However, this nickel alloy is vulnerable to sensitization in a range of temperatures that is regularly used in equipment manufacturing processes.

NobelClad has partnered with VDM Metals to conduct a series of corrosion and mechanical tests throughout the manufacturing process to confirm that the cladding, head forming, vessel manufacturing, and lifecycle repair processes preserve the metals’ properties – both base and clad – from beginning to end. The study simulated and confirmed all heat treatments on the final clad product were successful.

Subject
Test methods, Materials, Corrosion resistant alloys, Manufacturing, Corrosion rate, Nickel based alloys, Welding, Corrosion testing, Explosions, Metals, Titanium alloys, Alloys, Heat treatment
Keywords:
DetaClad™1, Clad Metal, Corrosion Resistant Alloy, Explosion Welding, Bond Interface, H2S, Sour service, ASTM G28
© 2023 Association for Materials Protection and Performance (AMPP). All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise) without the prior written permission of AMPP. Positions and opinions advanced in this work are those of the author(s) and not necessarily those of AMPP. Responsibility for the content of the work lies solely with the author(s).
2023
Association for Materials Protection and Performance (AMPP)
You do not currently have access to this content.