TPT May 2022

CONT ENT S

Editor in chief

Rory McBride

Editorial assistant

Helen Gaskell

Design & production Lisa Wright

Sales & marketing

Jason Smith Sales & marketing (Italy) jason@intras.co.uk Tel: +44 1926 834684 Linda Li 中国大陆，台湾， 香港以及远东地区销售代表 linda@intras.co.uk Tel: +44 1926 834685

2 Editorial index 10 Industry news 11 Diary of tube events 54 Technology news 82 Welding 92 Tube Düsseldorf 2022 Adver tisers index

Advertising co-ordinator

Liz Hughes

Subscriptions

Louise Jennings

Accounts manager

Louise Jennings

Founder

John C Hogg

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Published by Intras Ltd PO Box 6828, Warwick, CV34 9SP, UK Tel: +44 1926 334137 • Fax: +44 1926 314755 Email: tpt@intras.co.uk • Website: www.read-tpt.com Intras USA Danbury Corporate Center, 107 Mill Plain Road, Danbury CT 06811, USA Tel: +1 203 794 0444 • Email: doug@intras.co.uk This publication and its full contents of layout, text, images, and graphics is copyright protected. No part of this publication may be reproduced in any form or by any means, electronic or mechanical including photocopying, recording or any other storage or retrieval system without the publisher’s written permission. The publisher, owners, agents, printers, editors and contributors cannot be held responsible for and hereby exclude all liability whatsoever for errors, omissions or the accuracy and claims printed or inferred in the editorial or advertisements published in this, previous or subsequent editions or for any damages, costs or losses caused thereby. Tube & Pipe Technology reserves the right to edit, reword and subedit all editorial submissions in accordance with editorial policy. Tube & Pipe Technology expressed graphically or by text is a registered name and style trademark of Intras Ltd, UK. All matters relating to this disclaimer are governed by the laws of England. US Copies only: Tube & Pipe Technology (ISSN No: 0953-2366, USPS No: 023-507) is published six times a year: January, March, May, July, September and November by Intras Ltd and distributed in the USA by Asendia USA, 701 Ashland Ave, Folcroft PA. Periodicals postage paid at Philadelphia, PA and additional mailing offices. POSTMASTER: send address changes to Tube & Pipe Technology, 701 Ashland Ave, Folcroft PA 19032.

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May issue • Business & market news

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A path to a better high frequency weld par t 2 – toward a method for high frequency weld heat input control By Olexandra Tupalo –

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manager, Thermatool Labs and Mick Nallen – president, Thermatool Corp

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