ASMEB16.47-2020 (Revisi0n ofASMEB16.47-2017) Large Diameter Steel Flanges NPS 26Through NPS 60 Metric/InchStandard ANAMERICAN NATIONAL STANDARD The American Society of Mechanical Engineers
ASMEB16.47-2020 (Revision of ASME B16.47-2017) Large Diameter Steel Flanges NPS 26 Through NPS 60 Metric/lnchStandard ANAMERICANNATIONALSTANDARD TheAmericanSocietyof ? Mechanical Engineers Two ParkAvenueNewYork NY10016USA
Date of Issuance: January 29 2021 The next edition of this Standard is scheduled for publication in 2024. ASME issues writtenrepliestoinquiries concerning interpretations of technical aspects of this Standard.Periodically certain actions of the ASME B16Committee may be published as Cases.Cases and interpretations are published on the ASME website under the Committee Pages at cstools.asme.org/ as they are issued. Errata to codes and standards may be posted on the ASME website under the Committee Pages to provide corrections to incorrectlypublisheditemsortocorrectypographicalorgrammaticalerorsincodesandstandardsSucherratashallbeused on the date posted. notification when errata are posted to a particular code or standard.This option can be found on the appropriate Committee Page after selecting“Errata” in the“Publication Information” section. ASME is the registered trademark of The American Society of Mechanical Engineers. This code or standard was developed under procedures accredited as meeting the criteria for American National Standards. The Standards Committee that approved the code orstandard was balanced to assure that individuals from petent and concerned interests have had an ASMEdoesnottakeanypositionwithrespecttothevalidityof anypatentrightsassertedinconnectionwithanyitemsmentionedinthis documentanddesntdertaktnsurenyeutiliingstandardagainstliabilitfrinfringementfanyaplicableletterpatent assumeanysuchliabilitsersofacodeorstandardareexpresslyadvisedthateterminationofthevalidityofanysuchpatentrightsandthe 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. 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 2021by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All rights reserved Printed in U.S.A. Copyright ASME Intemational
CONTENTS Foreword vi Committee Roster... vii Correspondence With the B16 Committee. vili Summary of Changes .. x List of Changes in Record Number Order . xii 1 General. 2 Pressure-Temperature Ratings 2 3 Component Size: Nominal Pipe Size 3 4 Marking.. 3 5 Materials 6 Dimensions 5 7 Tolerances 6 8 Pressure Testing. Mandatory Appendix I References. 113 Nonmandatory Appendices A Methods Used for Establishing Pressure-Temperature Ratings 115 B Gaskets (Other Than Ring-Joint) 119 C Quality System Program. 121 D Method for Calculating Bolt Lengths.... 122 Figures 1 Welding Ends (Welding Neck Flanges No Backing Rings) 2 Welding Ends (Welding Neck Flanges With Backing Rings) 3 Welding Ends (Welding Neck Flanges) 10 D-1 Specified Stud Bolt Length. 123 Tables 1 List of Material Specifications 11 2 List of Bolting Specifications (Applicable ASTM Specifications) 13 3 Pressure-Temperature Ratings for Group 1.1 Materials.. 14 3C Pressure-Temperature Ratings for Group 1.1 Materials . 15 4 Pressure-Temperature Ratings for Group 1.2 Materials 16 4C Pressure-Temperature Ratings for Group 1.2 Materials 17 5 Pressure-Temperature Ratings for Group 1.3 Materials 18 5C Pressure-Temperature Ratings for Group 1.3 Materials 19
6 Pressure-Temperature Ratings for Group 1.4 Materials 20 6C Pressure-Temperature Ratings for Group 1.4 Materials 21 7 Pressure-Temperature Ratings for Group 1.5 Materials 22 7C Pressure-Temperature Ratings for Group 1.5 Materials 23 8 Pressure-Temperature Ratings for Group 1.7 Materials 24 8C Pressure-Temperature Ratings for Group 1.7 Materials 25 9 Pressure-Temperature Ratings for Group 1.9 Materials 26 9C Pressure-Temperature Ratings for Group 1.9 Materials 27 10 Pressure-Temperature Ratings for Group1.10 Materials 28 10C Pressure-Temperature Ratings for Group 1.10 Materials 29 11 Pressure-Temperature Ratings for Group 1.11 Materials 30 11C Pressure-Temperature Ratings for Group 1.11 Materials 31 12 Pressure-Temperature Ratings for Group 1.13 Materials . 32 12C Pressure-Temperature Ratings for Group 1.13 Materials 33 13 Pressure-Temperature Ratings for Group 1.14 Materials 34 13C Pressure-Temperature Ratings for Group 1.14 Materials . 35 14 Pressure-Temperature Ratings for Group 1.15 Materials 36 14C Pressure-Temperature Ratings for Group 1.15 Materials 37 15 Pressure-Temperature Ratings for Group 1.17 Materials. 38 15C Pressure-Temperature Ratings for Group 1.17 Materials . 39 16 Pressure-Temperature Ratings for Group 1.18 Materials 40 16C Pressure-Temperature Ratings for Group 1.18 Materials 41 17 Pressure-Temperature Ratings for Group 2.1 Materials 42 17C Pressure-Temperature Ratings for Group 2.1 Materials 43 18 Pressure-Temperature Ratings for Group 2.2 Materials 44 18C Pressure-Temperature Ratings for Group 2.2 Materials 45 19 Pressure-Temperature Ratings for Group 2.3 Materials 46 19C Pressure-Temperature Ratings for Group 2.3 Materials 47 20 Pressure-Temperature Ratings for Group 2.4 Materials 48 20C Pressure-Temperature Ratings for Group 2.4 Materials 49 21 Pressure-Temperature Ratings for Group 2.5 Materials 50 21C Pressure-Temperature Ratings for Group 2.5 Materials 51 22 Pressure-Temperature Ratings for Group 2.6 Materials 52 22C Pressure-Temperature Ratings for Group 2.6 Materials 53 23 Pressure-Temperature Ratings for Group 2.7 Materials 54 23C Pressure-Temperature Ratings for Group 2.7 Materials 55 24 Pressure-Temperature Ratings for Group 2.8 Materials 56 24C Pressure-Temperature Ratings for Group 2.8 Materials 57 25 PressureTemperature Ratings for Group 2.9 Materials 58 25C Pressure-Temperature Ratings for Group 2.9 Materials 59 26 Pressure-Temperature Ratings for Group 2.10 Materials 60 26C Pressure-Temperature Ratings for Group 2.10 Materials 61 27 Pressure-Temperature Ratings for Group 2.11 Materials 62 27C Pressure-Temperature Ratings for Group 2.11 Materials . 63 28 Pressure-Temperature Ratings for Group 2.12 Materials... 64 iv
ASME B16.47-2020 大口径钢制法兰(英文版).pdf
