TB-4_2013.pdf

ASME PTB-4-2013ASME Section VIII Division 1Example Problem ManualCopyright 2013 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cPTB-4-2013 PTB-4-2013 ASME Section VIII-Division 1 Example Problem Manual James C.Sowinski,P.E.David A.Osage,P.E.The Equity Engineering Group,Inc.Copyright 2013 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cPTB-4-2013 Date of Issuance:May 24,2013 This document was prepared as an account of work sponsored by ASME Pressure Technology Codes and Standards(PTCS)through the ASME Standards Technology,LLC(ASME ST-LLC).Neither ASME,the author,nor others involved in the preparation or review of this document,nor any of their respective employees,members or persons acting on their behalf,makes any warranty,express or implied,or assumes any legal liability or responsibility for the accuracy,completeness or usefulness of any information,apparatus,product or process disclosed,or represents that its use would not infringe upon privately owned rights.Reference herein to any specific commercial product,process or service by trade name,trademark,manufacturer or otherwise does not necessarily constitute or imply its endorsement,recommendation or favoring by ASME or others involved in the preparation or review of this document,or any agency thereof.The views and opinions of the authors,contributors and reviewers of the document expressed herein do not necessarily reflect those of ASME or others involved in the preparation or review of this document,or any agency thereof.ASME does not“approve,”“rate”,or“endorse”any item,construction,proprietary device or activity.ASME does not take any position with respect to the validity of any patent rights asserted in connection with any items mentioned in this document,and does not undertake to insure anyone utilizing a standard against liability for infringement of any applicable letters patent,nor assume any such liability.Users of a code or standard are expressly advised that determination of the validity of any such patent rights,and the risk of infringement of such rights,is entirely their own responsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not to be interpreted as government or industry endorsement of this code or standard.ASME is the registered trademark of The American Society of Mechanical Engineers.No part of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mechanical Engineers Two Park Avenue,New York,NY 10016-5990 Copyright 2013 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All rights reserved Printed in the U.S.A.Copyright 2013 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cPTB-4-2013 iii TABLE OF CONTENTS Foreword.vi Acknowledgements.viii PART 1.1 1.1 Introduction.1 1.2 Scope.1 1.3 Definitions.1 1.4 Organization and Use.1 1.5 Comparison of VIII-1 and VIII-2 Design Rules.1 1.6 ASME Code Case 2695.1 1.7 References.2 1.8 Tables.3 PART 2.5 2.1 General.5 2.2 Example Problem Format.5 2.3 Calculation Precision.5 PART 3.6 3.1 Commentary on Rules to Establish the Minimum Design Metal Temperature(MDMT).6 3.2 Example E3.1 Use of MDMT Exemptions Curves.10 3.3 Example E3.2 Use of MDMT Exemption Curves with Stress Reduction.11 3.4 Example E3.3 Determine the MDMT for a Nozzle-to-Shell Welded Assembly.12 PART 4.17 4.1 General Requirements.17 4.1.1 Example E4.1.1 Review of General Requirements for a Vessel Design.17 4.1.2 Example E4.1.2 Required Wall Thickness of a Hemispherical Head.18 4.2 Welded Joints.20 4.2.1 Example E4.2.1 Nondestructive Examination Requirement for Vessel Design.20 4.2.2 Example E4.2.2 Nozzle Detail and Weld Sizing.21 4.2.3 Example E4.2.3 Nozzle Detail with Reinforcement Pad and Weld Sizing.23 4.3 Internal Design Pressure.26 4.3.1 Example E4.3.1 Cylindrical Shell.26 4.3.2 Example E4.3.2 Conical Shell.27 4.3.3 Example E4.3.3 Spherical Shell.28 4.3.4 Example E4.3.4 Torispherical Head.28 4.3.5 Example E4.3.5 Elliptical Head.32 4.3.6 Example E4.3.6 Combined Loadings and Allowable Stresses.35 4.3.7 Example E4.3.7 Conical Transitions Without a Knuckle.44 4.3.8 Example E4.3.8-Conical Transitions with a Knuckle.67 4.4 Shells Under External Pressure and Allowable Compressive Stresses.73 4.4.1 Example E4.4.1-Cylindrical Shell.73 4.4.2 Example E4.4.2-Conical Shell.76 4.4.3 Example E4.4.3-Spherical Shell and Hemispherical Head.80 4.4.4 Example E4.4.4-Torispherical Head.83 Copyright 2013 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cPTB-4-2013 iv 4.4.5 Example E4.4.5-Elliptical Head.86 4.4.6 Example E4.4.6-Combined Loadings and Allowable Compressive Stresses.89 4.4.7 Examp