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Unformatted text preview: --`,```,,,,,````,`,``,,`,,`,`-`-`,,`,,`,`,,`--- ASME B PVC.VI I I .2-2019 SECTION VIII R u l e s f o r C on stru cti o n o f P re ssu re Ves s els 2019 ASME Boiler and Pressure Vessel Code An International Code Div ision 2 A lter n a tive Ru les Copyright ASME International (BPVC) Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Khalda Petroleum/5986215001, User=Amer, Mohamed Not for Resale, 07/02/2019 14:07:58 MDT Markings such as “ASME,” “ASME Standard,” or any other marking including “ASME,” ASME logos, or the ASME Single Certification Mark shall not be used on any item that is not constructed in accordance with all of the applicable requirements of the Code or Standard. Use of ASME’s name or logos or of the ASME Single Certification Mark requires formal ASME certification; if no certification program is available, such ASME markings may not be used. (For Certification and Accreditation Programs, see ‐accreditation.) Items produced by parties not formally possessing an ASME Certificate may not be described, either explicitly or implicitly, as ASME certified or approved in any code forms or other document. --`,```,,,,,````,`,``,,`,,`,`-`-`,,`,,` Copyright ASME International (BPVC) Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Khalda Petroleum/5986215001, User=Amer, Mohamed Not for Resale, 07/02/2019 14:07:58 MDT AN INTERNATIONAL CODE 2019 ASME Boiler & Pressure Vessel Code July 1, 2019 VIII RULES FOR CONSTRUCTION OF PRESSURE VESSELS Division 2 Alternative Rules ASME Boiler and Pressure Vessel Committee on Pressure Vessels Two Park Avenue • New York, NY • 10016 USA Copyright ASME International (BPVC) Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Khalda Petroleum/5986215001, User=Amer, Mohamed Not for Resale, 07/02/2019 14:07:58 MDT --`,```,,,,,````,`,``,,`,,`,`-`-`,,`,,`,`,,`--- 2019 Edition Date of Issuance: July 1, 2019 This international code or standard was developed under procedures accredited as meeting the criteria for American National Standards and it is an American National Standard. The Standards Committee that approved the code or standard was balanced to assure that individuals from competent and concerned interests have had an opportunity to participate. The proposed code or standard was made available for public review and comment that provides an opportunity for additional public input from industry, academia, regulatory agencies, and the public-at-large. ASME does not “approve," "certify," “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 accepts responsibility for only those interpretations of this document issued in accordance with the established ASME procedures and policies, which precludes the issuance of interpretations by individuals. The endnotes and preamble in this document (if any) are part of this American National Standard. ASME Collective Membership Mark ASME Single Certification Mark "ASME" and the above ASME symbols are registered trademarks 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. Library of Congress Catalog Card Number: 56-3934 Printed in the United States of America Adopted by the Council of The American Society of Mechanical Engineers, 1914; latest edition 2019. The American Society of Mechanical Engineers Two Park Avenue, New York, NY 10016-5990 Copyright © 2019 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All rights reserved --`,```,,,,,````,`,` Copyright ASME International (BPVC) Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Khalda Petroleum/5986215001, User=Amer, Mohamed Not for Resale, 07/02/2019 14:07:58 MDT TABLE OF CONTENTS List of Sections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Statement of Policy on the Use of the ASME Single Certification Mark and Code Authorization in Advertising Statement of Policy on the Use of ASME Marking to Identify Manufactured Items . . . . . . . . . . . . . . . . . . . . . . Submittal of Technical Inquiries to the Boiler and Pressure Vessel Standards Committees . . . . . . . . . . . . . . . Personnel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Summary of Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . List of Changes in Record Number Order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cross-Referencing and Stylistic Changes in the Boiler and Pressure Vessel Code . . . . . . . . . . . . . . . . . . . . . . . Part 1 1.1 1.2 1.3 1.4 1.5 1.6 1.7 General Requirements . . . . . . . . . . . . . General . . . . . . . . . . . . . . . . . . . . . . . . . . . Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Standards Referenced by This Division Units of Measurement . . . . . . . . . . . . . . . Tolerances . . . . . . . . . . . . . . . . . . . . . . . . Technical Inquiries . . . . . . . . . . . . . . . . . Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. .. .. .. .. .. .. 1 1 1 4 4 5 5 5 Annex 1-B Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Annex 1-C Guidance for the Use of U.S. Customary and SI Units in the ASME Boiler and Pressure Vessel Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Part 2 2.1 2.2 2.3 2.4 Responsibilities and Duties . General . . . . . . . . . . . . . . . . . . . . User Responsibilities . . . . . . . . . Manufacturer’s Responsibilities The Inspector . . . . . . . . . . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . .. .. .. .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . . . . . .. .. .. .. .. .. .. .. Annex 2-B Guide for Certifying a Manufacturer’s Design Report ............................. 23 Annex 2-C Report Forms and Maintenance of Records . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Annex 2-D Guide for Preparing Manufacturer’s Data Reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Annex 2-E Quality Control System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Annex 2-F Contents and Method of Stamping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Annex 2-G Obtaining and Using Certification Mark Stamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Annex 2-H Guide to Information Appearing on the Certificate of Authorization . . . . . . . . . . . . . . . . 52 Annex 2-I Establishing Governing Code Editions and Cases for Pressure Vessels and Parts . . . . . 53 Annex 2-J Qualifications and Requirements for Certifying Engineers and Designers . . . . . . . . . . . 54 Materials Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Materials Permitted for Construction of Vessel Parts . . . . . . . . . . . . . . . . . . . . . . Supplemental Requirements for Ferrous Materials . . . . . . . . . . . . . . . . . . . . . . . Supplemental Requirements for Cr–Mo Steels . . . . . . . . . . . . . . . . . . . . . . . . . . . Supplemental Requirements for Q&T Steels With Enhanced Tensile Properties 57 57 57 64 66 67 Licensee=Khalda Petroleum/5986215001, User=Amer, Mohamed Not for Resale, 07/02/2019 14:07:58 MDT .. .. .. .. .. . . . . . . . . 21 Copyright ASME International (BPVC) Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS . . . . . .. .. .. .. .. .. .. .. Guide for Certifying a User’s Design Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. .. .. .. . . . . . . . . Annex 2-A iii . . . . . .. .. .. .. .. .. .. .. 15 15 15 17 20 --`,```,,,,,````,`,``,,`,,`,`-`-`,,`,,`,`,,`--- .. .. .. .. .. . . . . . . . . .. .. .. .. .. Part 3 3.1 3.2 3.3 3.4 3.5 .. .. .. .. .. . . . . . . . . xvi xviii xx xx xxi xxiv xlvi liv lviii .. .. .. .. .. .......... .......... .......... .......... .......... .......... . . . . . . . . . . . . . . . 68 69 71 73 74 77 88 88 88 89 89 89 89 89 99 Annex 3-A Allowable Design Stresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124 Annex 3-B Requirements for Material Procurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146 Annex 3-C ISO Material Group Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147 Annex 3-D Strength Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148 Annex 3-E Physical Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155 Annex 3-F Design Fatigue Curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156 Design by Rule Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Design Rules for Welded Joints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Design Rules for Shells Under Internal Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . Design of Shells Under External Pressure and Allowable Compressive Stresses Design Rules for Openings in Shells and Heads . . . . . . . . . . . . . . . . . . . . . . . . . . Design Rules for Flat Heads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Design Rules for Spherically Dished Bolted Covers . . . . . . . . . . . . . . . . . . . . . . . Design Rules for Quick-Actuating (Quick-Opening) Closures . . . . . . . . . . . . . . . . Design Rules for Braced and Stayed Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . Design Rules for Ligaments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Design Rules for Jacketed Vessels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Design Rules for Noncircular Vessels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Design Rules for Layered Vessels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Evaluation of Vessels Outside of Tolerance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Design Rules for Supports and Attachments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Design Rules for Flanged Joints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Design Rules for Clamped Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Design Rules for Shell-and-Tube Heat Exchangers . . . . . . . . . . . . . . . . . . . . . . . . Design Rules for Bellows Expansion Joints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Design Rules for Flexible Shell Element Expansion Joints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170 170 177 207 234 258 291 300 309 311 313 319 334 381 400 401 418 444 453 513 550 Annex 4-A .............................................................................. 554 Annex 4-B Guide for the Design and Operation of Quick-Actuating (Quick-Opening) Closures . . . 555 Annex 4-C Basis for Establishing Allowable Loads for Tube-to-Tubesheet Joints . . . . . . . . . . . . . . . 558 Annex 4-D Guidance to Accommodate Loadings Produced by Deflagration . . . . . . . . . . . . . . . . . . . . 566 Annex 4-E Tube Expanding Procedures and Qualification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 568 Design by Analysis Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Protection Against Plastic Collapse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 579 579 580 Part 4 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 4.10 4.11 4.12 4.13 4.14 4.15 4.16 4.17 4.18 4.19 4.20 Part 5 5.1 5.2 Supplemental Requirements for Nonferrous Materials . . . . . Supplemental Requirements for Bolting . . . . . . . . . . . . . . . . . . Supplemental Requirements for Castings . . . . . . . . . . . . . . . . . Supplemental Requirements for Hubs Machined From Plate Material Test Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . Material Toughness Requirements . . . . . . . . . . . . . . . . . . . . . . Allowable Design Stresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Strength Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Physical Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Design Fatigue Curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Design Values for Temperatures Colder Than −30°C (−20°F) Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. iv Copyright ASME International (BPVC) Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Khalda Petroleum/5986215001, User=Amer, Mohamed Not for Resale, 07/02/2019 14:07:58 MDT .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. --`,```,,,,,````,`,``,,`,,`,`-`-`,,`,,`,`,,`--- 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 3.20 5.3 5.4 5.5 5.6 5.7 5.8 5.9 5.10 5.11 5.12 5.13 5.14 5.15 .. .. .. .. .. .. .. .. .. .. .. .. .. 585 586 587 598 599 600 600 600 600 600 603 607 616 Annex 5-A Linearization of Stress Results for Stress Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . 619 Annex 5-B Histogram Development and Cycle Counting for Fatigue Analysis . . . . . . . . . . . . . . . . . . 637 Annex 5-C Alternative Plasticity Adjustment Factors and Effective Alternating Stress for Elastic Fatigue Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 640 Annex 5-D Stress Indices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 645 Annex 5-E Design Methods for Perforated Plates Based on Elastic Stress Analysis . . . . . . . . . . . . . 652 Annex 5-F Experimental Stress and Fatigue Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 683 Fabrication Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General Fabrication Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Welding Fabrication Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Special Requirements for Tube-to-Tubesheet Welds . . . . . . . . . . . . . . . . . Preheating and Heat Treatment of Weldments . . . . . . . . . . . . . . . . . . . . . . Special Requirements for Clad or Weld Overlay Linings, and Lined Parts Special Requirements for Tensile Property Enhanced Q&T Ferritic Steels Special Requirements for Forged Fabrication . . . . . . . . . . . . . . . . . . . . . . . Special Fabrication Requirements for Layered Vessels . . . . . . . . . . . . . . . Special Fabrication Requirements for Expansion Joints . . . . . . . . . . . . . . . Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. .. .. .. 690 690 695 700 700 706 707 712 716 718 719 719 740 Positive Material Identification Practice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 745 Inspection and Examination Requirements . . . . . . . . General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Responsibilities and Duties . . . . . . . . . . . . . . . . . . . . . . . . Qualification of Nondestructive Examination Personnel Examination of Welded Joints . . . . . . . . . . . . . . . . . . . . . . Examination Method and...
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