1、Designation:B36314Standard Specification forSeamless and Welded Unalloyed Titanium and TitaniumAlloy Welding Fittings1This standard is issued under the fixed designation B363;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year o
2、f last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope1.1 This specification2covers fittings i
3、ntended for generalcorrosion-resisting and elevated-temperature services,factorymade from unalloyed titanium and titanium alloys.The termwelding fittings applies to butt-welding parts such as 45 and90 elbows,180 returns,caps,tees,reducers,lap-joint stubends,and other types.1.2 This standard does not
4、 purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:3B2
5、65 Specification for Titanium and Titanium Alloy Strip,Sheet,and PlateB338 Specification for Seamless and Welded Titanium andTitanium Alloy Tubes for Condensers and Heat Exchang-ersB348 Specification for Titanium and Titanium Alloy Barsand BilletsB367 Specification for Titanium and Titanium Alloy Ca
6、st-ingsB381 Specification for Titanium and Titanium Alloy Forg-ingsB600 Guide for Descaling and Cleaning Titanium and Tita-nium Alloy SurfacesB861 Specification for Titanium and Titanium Alloy Seam-less PipeB862 Specification for Titanium and Titanium Alloy WeldedPipe2.2 ANSI Standards:4,5ASME/ANSI
7、B16.5 Pipe Flanges and Flanged FittingsASME/ANSI B16.9 Wrought Steel Butt-Welding FittingsASME/ANSI B16.11 Forged Fittings,Socket Welding andThreadedASME/ANSI B36.19 Stainless Steel Pipe2.3 ManufacturersStandardization Society of the Valve andFittings Industry Standards:6MSS SP-25 Standard Marking S
8、ystem for Valves,Fittings,Flanges and UnionsMSS SP-43 Standard Practice for Light Weight StainlessSteel Butt-Welding FittingsMSS SP-97 Standard Integrally Reinforced Forged BranchOutlet Fittings Socket Welding,Threaded,and Butt-Welding EndsMSS SP-119 Standard Factory-Made Wrought Belled EndSocket-We
9、lding Fittings2.4 ASME Standard:7ASME Boiler and Pressure Vessel CodeSections VIIIDivision 1 Pressure Vessels and Section IX3.Ordering Information3.1 Orders for material to this specification shall include thefollowing information as required:3.1.1 Quantity,3.1.2 Grade number,3.1.3 Pipe size and sch
10、edule,3.1.4 Method of manufacture and finish,1This specification is under the jurisdiction of ASTM Committee B10 onReactive and Refractory Metals and Alloys and is the direct responsibility ofSubcommittee B10.01 on Titanium.Current edition approved May 1,2014.Published May 2014.Originallyapproved in
11、 1961.Last previous edition approved in 2006 as B363 06a.DOI:10.1520/B0363-14.2For ASME Boiler and Pressure Vessel Code applications,see related Specifi-cation SB-363 in Section II of that Code.3For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serv
12、iceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.4Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.5Specifications in the order are for“dimensions onl
13、y”with no requirements forstrength or pressure rating to be inferred.(that is,Class XXXX is not intended todesignate a strength or pressure rating requirement for titanium;only to define adimension for that category.)6Available from Manufacturers Standardization Society of the Valve and FittingsIndu
14、stry(MSS),127 Park St.,NE,Vienna,VA 22180-4602,http:/www.mss-.7Available from American Society of Mechanical Engineers(ASME),ASMEInternational Headquarters,Three Park Ave.,New York,NY 10016-5990,http:/www.asme.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19
15、428-2959.United States1 3.1.5 Restrictive chemistry,if desired,3.1.6 Nondestructive tests,3.1.7 Packaging,3.1.8 Inspection and required reports,3.1.9 Appropriate fittings specifications for dimensionsonly,and3.1.10 Class,as required.4.Material4.1 The titanium for welding fittings may consist of bill
16、ets,bars,plates,castings,seamless or welded pipe or tube thatconforms to all the requirements for manufacturing process,testing,chemical composition,and mechanical properties pre-scribed in Specifications B861 and B862 for the particulargrades referred to in Table 1.5.Manufacture5.1 Forging,forming,or shaping operations may be per-formed by hammering,pressing,piercing,extruding,upsetting,rolling,bending,fusion welding,or by a combination of two ormore of these operations.The forming procedure sh
