ASTM B608-2007 Standard Specification for Welded Copper-Alloy Pipe《焊接铜合金管的标准规范》.pdf

1、Designation: B 608 07Standard Specification forWelded Copper-Alloy Pipe1This standard is issued under the fixed designation B 608; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses i

2、ndicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification establishes the requirements for arc-welded pipe for use in brackish water or seawater pipingsystems.1.2 UnitsThe values stated in inch-p

3、ound units are re-garded as the standard. The values given in parentheses aremathematical conversions to SI units which are provided forinformation only and are not considered standard.1.3 The following hazard statement pertains only to the testmethod described in 8.2 and 14.3.2 of this specificatio

4、n: Thisstandard does not purport to address all of the safety concerns,if any, associated with its use. It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.2. Referenced Docum

5、ents2.1 ASTM Standards:2B 169/B 169M Specification for Aluminum Bronze Sheet,Strip, and Rolled BarB 171/B 171M Specification for Copper-Alloy Plate andSheet for Pressure Vessels, Condensers, and Heat Ex-changersB 846 Terminology for Copper and Copper AlloysE8 Test Methods for Tension Testing of Meta

6、llic MaterialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE62 Test Methods for Chemical Analysis of Copper andCopper Alloys (Photometric Methods)E76 Test Methods for ChemicalAnalysis of Nickel-CopperAlloys3E 190 Test Method for Guided Bend Test f

7、or Ductility ofWeldsE 255 Practice for Sampling Copper and Copper Alloys forthe Determination of Chemical CompositionE 478 Test Methods for Chemical Analysis of CopperAlloys2.2 AWS Standards:4A 5.7 Copper and Copper-Alloy Arc-Welding ElectrodesA 5.7 Copper and Copper-Alloy Welding Rods2.3 ASME Stand

8、ards:5Boiler and Pressure Vessel Code, Nuclear Power PlantComponents, Section III, Division IBoiler and Pressure Vessel Code, Nondestructive Examina-tion, Section VBoiler and Pressure Vessel Code, Pressure Vessels, SectionVIII, Division IBoiler and Pressure Vessel Code, Welding Qualifications,Sectio

9、n IX3. Terminology3.1 For definitions of terms related to copper and copperalloys, refer to Terminology B 846.4. Ordering Information4.1 Include the following information in contracts or pur-chase orders for product furnished under this specification:4.1.1 ASTM specification designation and year of

10、issue, (forexample, B 608 02),4.1.2 Copper alloy UNS No. required (Section 5 and Table1),4.1.3 Dimensions required; diameter and wall thickness(Section 10),4.1.4 Unit length required, and4.1.5 When purchased for ASME Boiler and Pressure VesselCode application (section 19.2).4.2 The following options

11、 are available:4.2.1 Determination of chemical composition (Section6.1.1),4.2.2 Transverse Guided-Bend bend test (Section 8.1),4.2.3 Hydrostatic test (Section 8.2),4.2.4 Radiographic examination (Section 8.3),4.2.4.1 The number of pipe lengths to be examined,1This specification is under the jurisdic

12、tion ofASTM Committee B05 on Copperand Copper Alloys and is the direct responsibility of Subcommittee B05.04 on Pipeand Tube.Current edition approved Oct. 1, 2007. Published November 2007. Originallyapproved in 1976. Last previous edition approved in 2002 as B 608 02.2For referenced ASTM standards,

13、visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Withdrawn.4Available from American Welding Society (AWS), 550 NW LeJeune Rd.,Miami, FL 33126

14、, http:/www.aws.org.5Available from American Society of Mechanical Engineers (ASME), ASMEInternational Headquarters, Three Park Ave., New York, NY 10016-5990, http:/www.asme.org.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO

15、 Box C700, West Conshohocken, PA 19428-2959, United States.4.2.5 Liquid Penetrant examination (Section 8.4),4.2.6 Weld reinforcement removal, (Section 9),4.2.7 Certification (Section 18), and (Section 19)4.2.8 Test Report (Section 20).5. Material and Manufacture5.1 Material:5.1.1 The pipe shall be m

16、ade from annealed copper alloysheet or plate that conforms to the requirements of Specifica-tion B 169/B 169M for Copper Alloys UNS Nos. C61300 andC61400 or Specification B 171/B 171M for Copper AlloysUNS Nos. C70620 and C71520. These specifications referenceTest Methods E62, E76, and E 478 for the

17、appropriatechemical analysis.5.2 Manufacture:5.2.1 Welded joints shall be made either manually or auto-matically by an arc-welding process.5.2.2 Filler metal, if used in an arc-welding process, shallconform to one of the following specifications and classifica-tions shown for each base metal:Base Me

18、tal Copper Alloy Filler Metal AWS SpecificationUNS Number A5.6 A5.7C61300 ECuAl-A2 ERCuAl-A2C61400 ECuAlA2 ERCuAlA2C70620 ECuNi ERCuNiC71520 ECuNi ERCuNi5.2.3 Welding procedures and welding operators shall bequalified in accordance with the ASME Boiler and PressureVessel Code, Section IX.5.2.4 Each

19、length of pipe may contain more than onelongitudinally welded joint.5.2.4.1 The welded joint shall be a full-penetration weld andmay have a reinforcing bead on each side; such reinforcementshall not be more than116 in. (1.6 mm) per side measured in theradial direction.5.2.4.2 At no place shall the t

20、hickness of the weld section beless than the thickness of the adjacent base metal.5.2.4.3 The contour of the weld bead shall be smooth,having no sharp valley or groove at the weld center or edges.5.2.4.4 Smooth concavity of the weld bead contour isacceptable, provided the minimum weld bead thickness

21、 is notless than the thickness of the adjacent base metal.5.2.4.5 Any offset of base metal edges at a weld that is notwithin the tolerance of 10.2.7 shall be flared at a 3 to 1minimum taper over the width of the finished weld, or ifnecessary, by adding additional weld metal beyond what wouldotherwis

22、e be the edge of the weld. Such build-up welding shallbe performed in accordance with the requirements of 5.2.3.5.2.4.6 Weld reinforcement may be removed at the option ofthe manufacturer or when specified by the purchaser.5.2.5 Weld defects shall be repaired by removal to soundmetal and rewelding. A

23、 repaired weld shall meet all require-ments of an original weld.5.2.6 Base metal defects such as slivers, inclusions, or lapsshall be repaired by removal to sound metal. Build-up weldingshall be performed when such removal reduces the wallthickness below the minimum allowed by the specification.Such

24、 build-up welding shall be performed in accordance withthe requirements of 5.2.3. The thickness of the repaired sectionshall meet the requirements of a welded joint.5.2.7 Pipe shall be furnished in the as-welded condition(Section 3).NOTE 1Although no restriction is placed on the size of pipe that ma

25、ybe furnished under this specification, usage is normally limited to nominalsizes 4 in. and larger in diameter.6. Chemical Composition6.1 The pipe material shall conform to the chemical com-positional requirements of Table 1 for the specified alloy.6.1.1 When the material of manufacturer has been ce

26、rtifiedto conform to the requirements of the strip specification towhich it was ordered, the determination of composition is notrequired of the tube manufacturer or supplier unless specifiedin the contract or purchase order.6.2 These composition limits do not preclude the presenceof other elements.

27、When required, limits shall be establishedand analysis required for unnamed elements by agreementbetween the manufacturer or supplier and the purchaser.6.3 When determining composition, copper may be taken asthe difference between the sum of results for specified elementsand 100 %.6.4 When all eleme

28、nts in Table 1 for the specified alloy aredetermined the sum of results shall be as follows:Copper Alloy UNS No. Copper Plus Specified Elements, Per-cent, %, MinimumC61300 99.8C61400, C70620, C71520 99.57. Mechanical Property Requirements Mechanical PropertyRequirements7.1 Transverse Tensional Stren

29、gth:7.1.1 With the test taken across any weld, the pipe shall becapable of conforming to the value given in Table 2 for theparticular alloy.TABLE 1 Chemical RequirementsComposition, %Copper Alloy UNS Number CopperANickelinclCobaltAluminumLead,maxIronZinc,maxManganese,maxSulfur,maxPhosphorus, maxCarb

30、on,maxTin SiC61300Bremainder 0.15 max 6.07.5 0.01 2.03.0 0.10 0.20 . 0.015 . 0.200.50 0.10C61400 remainder . 6.08.0 0.01 1.53.5 0.20 1.0 . 0.015 . . .C70620 86.5 % min 9.011.0 . 0.02 1.01.8 0.50 1.0 0.02 0.02 0.05 . .C71520 65.0 % min 29.033.0 . 0.02 0.401.0 0.50 1.0 0.02 0.02 0.05 . .ASilver counti

31、ng as copper.BWhen the product is for subsequent welding applications and is so specified by the purchaser, chromium shall be 0.05 % max, cadmium 0.05 % max, zinc 0.05 % max,and zirconium 0.05 % max.B6080728. Performance Requirements8.1 Transverse Guided-Bend Test:8.1.1 The transverse-face and root-

32、guided bend test shall betaken with the weld in the center of the test specimen and thereshall be no open defects exceeding 0.125 in. (3.18 mm)measured in any direction on the convex surface of thespecimen when tested in accordance with Test Methods E 190.Cracks originating from corners of the speci

33、men shall not beconsidered.8.1.2 This test is not required unless specified in the contractor purchase order.8.2 Hydrostatic Test:8.2.1 Each length of pipe shall be capable of withstandingan internal hydrostatic pressure sufficient to produce a fiberstress of 7 000 psi (48 MPa) without showing evide

34、nce ofweakness, defects, or leakage. (See 15.3.2.)8.2.1.1 This requirement is not recommended for pipe withan outside diameter greater than 24 in. (610 mm).8.2.2 No pipe size need be tested at a hydrostatic pressuregreater than 1 000 psi (6 900 kPa).8.2.3 This test is not required unless specified i

35、n the contractor purchase order.8.3 Radiographic Examination:8.3.1 When specified in the contract or purchase order, pipeshall be examined in accordance with the procedure andacceptance criteria of the ASME Boiler and Pressure VesselCode, Section III, Division 1, or Section VIII, Division 1, asspeci

36、fied.8.3.1.1 The number of pipe lengths to be examined shall bespecified by the purchaser.8.3.2 All welded joints in any individual length of pipe shallbe radiographed completely.8.4 Liquid Penetration Examination:8.4.1 When specified in the contract or purchase order, allwelded joints in all length

37、s of pipe shall be examined, both theinside and outside surfaces, in accordance with the procedureand acceptance criteria of the ASME Boiler and Pressure VesselCode, Section III, Division 1, or Section VIII, Division 1, asspecified.9. Weld Reinforcement Removal9.1 When specified in the contract or p

38、urchase order, weldreinforcement shall be removed completely from the insidesurface and outside surface longitudinal welded joints.9.2 Weld thickness shall conform to wall-thickness require-ments after removal of reinforcement.10. Dimensions, Mass, and Permissible Variations10.1 Dimensions:10.1.1 Pi

39、pe diameter shall be specified as a nominal diam-eter as shown in Table 3, Table 4,orTable 5.10.1.2 Pipe wall thickness shall be that shown in Table 3,Table 4,orTable 5 for the diameter and pressure classspecified.10.1.3 If a pipe outside-diameter or wall-thickness notspecified in Table 3, Table 4,o

40、rTable 5 is desired, the diameterand the wall thickness shall be specified in decimal fractions ofan inch. (See section 21.1.1.)10.1.4 Pipe shall be furnished in 12 ft (3660 mm) lengthsunless otherwise specified.10.1.5 Circumferential welds, of the same quality as thelongitudinal welds, may be used

41、to create pipe lengths that areordered longer than 12 ft (3660 mm).10.2 Permissible Variations:10.2.1 Outside DiameterThe average outside-diametershall not vary from the specified outside-diameter by more thanthe tolerances specified in Table 6.TABLE 2 Transverse Tensile StrengthCopper Alloy UNS Num

42、ber Tensile Strength, min, ksi (MPa)AC61300 70 (485)C61400 70 (485)C70620 40 (275)C71520 50 (345)ASee Appendix X1.TABLE 3 Standard Sizes and Wall ThicknessCopper Alloy UNS Nos. C61300 and C61400Inch-Pound Units, in. (SI Units, mm)Pressure Class, psi (kPa)ANominal Size Outside Diameter, in. 50 (345)

43、75 (517) 100 (689) 150 (1034) 200 (1379)4 4.50 (114.30) 0.094 (2.38) 0.094 (2.38) 0.094 (2.38) 0.094 (2.38) 0.094 (2.38)5 5.563 (141.30) 0.094 (2.38) 0.094 (2.38) 0.094 (2.38) 0.094 (2.38) 0.094 (2.38)6 6.625 (168.28) 0.094 (2.38) 0.094 (2.38) 0.094 (2.38) 0.094 (2.38) 0.094 (2.38)8 8.625 (219.08) 0

44、.094 (2.38) 0.094 (2.38) 0.094 (2.38) 0.094 (2.38) 0.094 (2.38)10 10.75 (273.05) 0.094 (2.38) 0.094 (2.38) 0.094 (2.38) 0.125 (3.18) 0.125 (3.18)12 12.75 (323.85) 0.094 (2.38) 0.094 (2.38) 0.094 (2.38) 0.125 (3.18) 0.165 (4.19)14 14.00 (355.60) 0.125 (3.18) 0.125 (3.18) 0.125 (3.18) 0.125 (3.18) 0.1

45、65 (4.19)16 16.00 (406.40) 0.125 (3.18) 0.125 (3.18) 0.125 (3.18) 0.134 (3.40) 0.187 (4.76)18 18.00 (457.20) 0.125 (3.18) 0.125 (3.18) 0.125 (3.18) 0.165 (4.19) 0.187 (4.76)20 20.00 (508.00) 0.125 (3.18) 0.125 (3.18) 0.125 (3.18) 0.165 (4.19) 0.250 (6.35)24 24.00 (609.60) 0.125 (3.18) 0.125 (3.18) 0

46、.134 (3.40) 0.187 (4.76) 0.250 (6.35)30 30.00 (762.00) 0.134 (3.40) 0.134 (3.40) 0.165 (4.19) 0.250 (6.35) 0.312 (7.94)36 36.00 (914.40) 0.134 (3.40) 0.165 (4.19) 0.187 (4.76) 0.312 (7.94) 0.375 (9.53)42 42.00 (1066.80) 0.187 (4.76) 0.187 (4.76) 0.250 (6.35) 0.312 (7.94) 0.437 (11.1)48 48.00 (1219.2

47、0) 0.187 (4.76) 0.187 (4.76) 0.250 (6.35) 0.375 (9.53) 0.437 (11.1)APressure ratings apply to any design temperature not exceeding 350F (176C). Pressure ratings are calculated for each size and pressure class based on a corrosionallowance of 0.020 in. (0.508 mm), a weld joint efficiency of 70 %, and

48、 the thickness tolerances shown in Table 8.B60807310.2.2 RoundnessThe difference between the major andminor outside-diameter at any pipe cross section shall not begreater than the differences specified in Table 7.10.2.3 Wall ThicknessThe wall thickness at any point ofthe pipe shall not vary from the

49、 specified wall-thickness bymore than the tolerances specified in Table 8.10.2.4 LengthThe length of any pipe shall be the specifiedlength plus or minus 0.500 in. (13 mm).10.2.5 StraightnessThe maximum curvature (depth ofarc), when measured as a deviation from a straightedge 10 ft(3.05 m) in length, shall not exceed 0.5 in. (13 mm).10.2.6 Squareness of CutThe departure from squarenessof the end of any pipe shall not exceed 0.016 in./in. (0.016mm/mm) of outside diameter.TABLE 4 Standard Sizes and Wall ThicknessCopper Alloy UNS No. C70620Inch-Pound Units, in.