1、AN AMERICAN NATIONAL STANDARD ASME B16.49-2012(Revision of ASME B16.49-2007)Factory-Made,Wrought Steel,Buttwelding Induction Bends for Transportation and Distribution SystemsCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted wit
2、hout license from IHS-,-,-Copyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-ASME B16.49-2012(Revision of ASME B16.49-2007)Factory-Made,Wrought Steel,Buttwelding InductionBends forTransportation andD
3、istribution SystemsAN AMERICAN NATIONAL STANDARDThree Park Avenue New York,NY 10016 USACopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Date of Issuance:February 11,2013The next edition of this Sta
4、ndard is scheduled for publication in 2017.ASME issues written replies to inquiries concerning interpretations of technical aspects of thisStandard.Periodically certain actions of the ASME B16 Committee may be published as Cases.Cases and interpretations are published on the ASME Web site under the
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13、ty of Mechanical EngineersThree Park Avenue,New York,NY 10016-5990Copyright 2013 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without licens
14、e from IHS-,-,-CONTENTSForeword.ivCommittee Roster.vCorrespondence With the B16 Committee.viSummary of Changes.vii1Scope and Definitions.12Pressure Ratings.23Size.24Marking.25Material.46Material for Bends Containing Welds.47Chemical Composition.58Material Properties.59Heat Treatment.810Qualification
15、 Bend.811Test Requirements.812Dimensional Requirements.913Inspection of Production Bends.1014Certification.10SR15Supplementary Requirements.10Figures1Bend Dimensional Terms.32Test Specimen Locations and Orientations Longitudinal Seam.63Test Specimen Locations and Orientations Helical Seam.74Measurem
16、ent of Bend Angle and Out-of-Squareness.11Tables1Tensile Properties.42Maximum Limits of Chemical Elements That May Be Used.43Limits on Essential Variables.8Mandatory AppendixIReferences.13Nonmandatory AppendicesAQuality System Program.14BInduction Bend Data Sheet.15iiiCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-FOREWORDIn 1993,members of the ASME B31.8 Code for Pressure Piping,Gas Transmis
