1、ASME B31.9-2004(Revision of ASME B31.9-1996)BuildingServices PipingASME Code for Pressure Piping,B31AN AMERICAN NATIONAL STANDARDThe American Society ofMechanical EngineersASME B31.9-2004(Revision of ASME B31.9-1996)BuildingServices PipingASME Code for Pressure Piping,B31AN AMERICAN NATIONAL STANDAR
2、DSThe American Society ofMechanical EngineersThree Park Avenue.New York,NY 10016Not or ResaleCONTENTS.Committee Roster今Introduction4。+。+。，。,。+4+4+。+。，+，4.4。+。+。+,。，。+。，+4+。+。，。，。，。+。4vi进Summary of ChangesxiChapter IScope and Definitions2900General.1Chapter llDesign。4t。4。4。9Part 1Conditions and Crite
3、ria.9901Design Conditions9902Design criteria.9Part 2Pressure Design of Piping Components11903Criteria for Pressure Design of Piping Components11904Pressure Design of Components.11Part 3Selection and Limitation of Components14905Pipe.906Fittings,Bends,and Intersections.15907Vlves15908Flanges,Blanks,G
4、askets,and Bolting15Part 4Selection and Limitation of Joints.15910Piping Joints15911Welded Joints1912Planged Joints.16913Mechanical and Proprietary Joints.1914Threaded Joints.16915Flared,Flareless,and Compression Joints.16916Bell and Spigot Joints.1917Brazed and Soldered Joints.16Part 5Expansion,Fle
5、xibitity,and Support.17919Expansion and Flexibility.17920Loads on Pipe Supporting Elements。19921Design of Pipe Supporting Elements20Part 6Sy5tem52922Design Requirements Pertaining to Specific Piping Systems.Chapter IllMaterials.,26923Materials-General Requirements.26Chapter IVComponent Requirements
6、and Standard Practices子926Dimensions and Ratings of Components.Chapter VFabrication,Assembly,and Erection.34927Welded Fabrication of Metals.928Brazing and Soldering of Metals.929Bending3930Forming931Heat Treatment.934Fabrication of Nonmetals3935Assembly.iiiitted without license from HSNotor ResaleCh
7、apter VIInspection,Examination,and Testing42936Inspection and Examination.937Leak Testing年，g年.EE Eegg88月.E年g年用年gegg年.EEE.EEE年.43Figures900.1.2BCode Jurisdictional Limits for Piping-Drum Type Boilers.2904.2.2Nomenclature for Miter Joints.12921.1.3CSupport Spans for Standard Wall Steel Pipe.21921.1.3D
8、Support Spans for Copper and Thermoplastic Pipe.2927.4.3AFillet Weld Size.35927.4.3BMinimum Weld Size,Setback,and Depth of Insertion for Slip-On andSocket Weld Flanges.,:36927.4.3CMinimum Welding Dimensions for Socket-Welding Components Other ThanPlanges.36927.4.5AAcceptable Welds for Flat Heads3792
9、7.4.5BUnacceptable Welds for Flat Heads.3927.4.6ATypical Weld Branch Connections38927.4.6BTypical Weld Details。4.44。944444444438Tables902.4.3Joint Factors E4，。，。4.4.4。444。，。4g411904.2.1APipe Thickness for Bends.12917.3Rated Internal Working Pressures of Joints Made With Copper WaterTube and Solder J
10、oint Fittings,psig.17919.3.1Moduli of Elasticity and Thermal Expansion Coefficients.18921.2.2ACapacities of Threaded ASTM A 36 Steel Rods.926.1Component Standards and Specifications.2926.2Standard Practices.33Mandatory AppendicesIStress Tables.45Allowable Pressures for Nonmetallic,Nonplastic Pressure Piping.3IReference Standards.5IVPreparation of Technical Inquiries57Nonmandatory AppendixANonmandatory Quality System Program58Index59h ASitted without icense from HSNat or Resale
