31.1_Complete_guide-2013.pdf

POWER PIPINGTHE COMPLETE GUIDE TO ASME B31.1byCharles Becht IV 2013,ASME,2 Park Avenue,New York,NY 10016,USA(www.asme.org)All rights reserved.Printed in the United States of America.Except as permitted under the United States Copyright Act of 1976,no part of this publication may be reproduced or distributed in any form or by any means,or stored in a database or retrieval system,without the prior written permission of the publisher.INFORMATION CONTAINED IN THIS WORK HAS BEEN OBTAINED BY THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS FROM SOURCES BELIEVED TO BE RELIABLE.HOWEVER,NEITHER ASME NOR ITS AUTHORS OR EDITORS GUARANTEE THE ACCURACY OR COMPLETENESS OF ANY INFORMATION PUBLISHED IN THIS WORK.NEITHER ASME NOR ITS AUTHORS AND EDITORS SHALL BE RESPONSIBLE FOR ANY ERRORS,OMISSIONS,OR DAMAGES ARISING OUT OF THE USE OF THIS INFORMATION.THE WORK IS PUBLISHED WITH THE UNDERSTANDING THAT ASME AND ITS AUTHORS AND EDITORS ARE SUPPLYING INFORMATION BUT ARE NOT ATTEMPTING TO RENDER ENGINEERING OR OTHER PROFESSIONAL SERVICES.IF SUCH ENGINEERING OR PROFESSIONAL SERVICES ARE REQUIRED,THE ASSISTANCE OF AN APPROPRIATE PROFESSIONAL SHOULD BE SOUGHT.ASME shall not be responsible for statements or opinions advanced in papers or.printed in its publica-tions (B7.1.3).Statement from the Bylaws.For authorization to photocopy material for internal or personal use under those circumstances not falling within the fair use provisions of the Copyright Act,contact the Copyright Clearance Center(CCC),222 Rosewood Drive,Danvers,MA 01923,tel:978-750-8400,.Requests for special permission or bulk reproduction should be addressed to the ASME Publishing Department,or submitted online at:http:/www.asme.org/kb/journals/administration/permissionsLibrary of Congress Cataloging-in-Publication DataBecht,Charles,IV.Power piping:the complete guide to ASME B31.1/by Charles Becht IV.pages cm ISBN 978-0-7918-6014-4 1.PipingStandardsUnited States.I.Title.TJ930.B346 2013 621.8672021873dc232013001888ABOUT THE AUTHORDr.Becht is a recognized authority in pressure vessels,piping,expansion joints,and elevated tempera-ture design.He is President of Becht Engineering Co.Inc,a consulting engineering company that provides both process and equipment engineering services as well as project and turnaround services for the process and power industries;President of Becht Engineering Canada Ltd.;CEO of Helidex,LLC;and Director of Sonomatic Ltd.(also dba Becht Sonomatic in North America)an NDE company that provides advanced ultrasonic imaging equipment and services.He has performed numerous expert troubleshooting and failure investigations,design reviews and construction inspections for capital projects into the billion dollar range,and consulting to manufacturers on design,development and code compliance for new and existing equip-ment.He was previously with Energy Systems Group,Rockwell International and Exxon Research andEngineering where he was a pressure equipment specialist.Dr.Becht is a member of the ASME B31.3,Process Piping Committee(past Chair);the Post Construction Subcommittee on Repair and Testing(PCC)(founding chair),the Post Construction Standards Committee(past Chair);Post Construction Executive Committee(past Chair);B&PV Code Subgroup on Elevated Temperature Design(past Chair);B31 Code for Pressure Piping Standards Committee;B31 Mechanical Design Committee;and is a past member of the Board on Pressure Technology Codes and Standards;the B&PV Code Subcommittee on Design;the B&PV Code Subcommittee on Transport Tanks;the B31 Executive Committee;and the B&PV Code TG on Class 1 Expansion Joints for liquid metal service.He is a member of ASTM Committee F-17,Plastic Piping Systems Main Committee;and the ASME PVP Division,Design and Analysis Committee.He received a PhD from Memorial University in Mechanical Engineering(dissertation:Behavior of Bellows),a MS from Stanford University in Structural Engineering and BSCE from Union College,New York.Chuck is a licensed professional engineer in 16 states and provinces,an ASME Fellow since 1996,recipient of the ASME Dedicated Service Award in 2001,recipient of the PVP Medal in 2009 and has more than 60 publications and six patents.COnTEnTsAbout the Author iiiList of Figures.ixList of Tables.xiChapter 1Background and General Information.11.1 History of B31.1.11.2 Scope of B31.1.21.3 What is Piping?.41.4 Intent.41.5 Responsibilities.81.5.1 Owner.81.5.2 Designer.81.5.3 Manufacturer,Fabricator,and Erector.91.5.4 Inspector.91.6 How is B31.1 Developed and Maintained.91.7 Code Editions and Addenda.101.8 How Do I Get Answers to Questions About the Code?.101.9 How can I Change the Code?.11Chapter 2Organization of B31.1.132.1 Boiler External Piping and Non-Boiler External Piping.132.2 Code Organization.132.3 Non-Mandatory Appendices.14Chapter 3Design Conditions and Criteria.153.1 Design Conditions.153.1.1 Design Pressure.153.1.2 Design Temperature.163.2 Allowable Stress.163.3 Weld Joint Efficiency and Casting Quality Factors.173.4