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ASTM B369-2009 Standard Specification for Copper-Nickel Alloy Castings《铜-镍合金铸件用标准规范》.pdf

1、Designation: B 369 09Standard Specification forCopper-Nickel Alloy Castings1This standard is issued under the fixed designation B 369; 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 parenthes

2、es 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 Department of Defense.1. Scope*1.1 This specification establishes the requirements forcopper-nickel alloy c

3、astings with nominal compositions shownin Table 1. These are as follows:2Copper Alloy UNS No.2Previous DesignationC96200 Alloy AC96400 Alloy B1.2 Castings of these alloys are used primarily forcorrosion-resistance applications such as in construction andfor pressure vessels, particularly in marine p

4、umps, valves, andfittings.1.3 These alloys are considered weldable, but they may beordered with a weld test to ensure weldability. When extensivewelding is to be performed on the casting, weldability testsshould be specified in the ordering information (5.2.6)toensure proper welding characteristics.

5、1.4 UnitsThe values stated in inch-pound units are to beregarded as standard. The values given in parentheses aremathematical conversions to SI units that are provided forinformation only and are not considered standard.1.5 The following hazard statement applies only to Section8, Weldability Test, o

6、f this specification. This standard does notpurport to address all of the safety concerns, if any, associatedwith its use. It is the responsibility of the user of this standardto establish appropriate safety and health practices anddetermine the applicability of regulatory limitations prior touse.2.

7、 Referenced Documents2.1 ASTM Standards:3B 208 Practice for Preparing Tension Test Specimens forCopper Alloy Sand, Permanent Mold, Centrifugal, andContinuous CastingsB 824 Specification for General Requirements for CopperAlloy CastingsB 846 Terminology for Copper and Copper AlloysE 527 Practice for

8、Numbering Metals and Alloys in theUnified Numbering System (UNS)2.2 ASME Code:ASME Boiler and Pressure Vessel Code42.3 AWS Standard:AWS A5.6 Specification for Copper and Copper-Alloy Arc-Welding Electrodes53. General Requirements3.1 The following sections of Specification B 824 form apart of this sp

9、ecification. In the event of a conflict between thisspecification and Specification B 824, the requirements of thisspecification shall take precedence.3.1.1 Terminology (Section 3),3.1.2 Other Requirements (Section 7),3.1.3 Dimensions, Mass, and Permissible Variations (Sec-tion 8),3.1.4 Workmanship,

10、 Finish, and Appearance (Section 9),3.1.5 Sampling (Section 10),3.1.6 Number of Tests and Retests (Section 11),3.1.7 Specimen Preparation (Section 12),3.1.8 Test Methods (Section 13),3.1.9 Significance of Numerical Limits (Section 14),3.1.10 Inspection (Section 15),3.1.11 Rejection and Rehearing (Se

11、ction 16),3.1.12 Certification (Section 17),3.1.13 Test Report (Section 18),3.1.14 Product Marking (Section 19), and3.1.15 Packaging and Package Marking (Section 20).1This specification is under the jurisdiction ofASTM Committee B05 on Copperand Copper Alloys and is the direct responsibility of Subc

12、ommittee B05.05 onCastings and Ingots for Remelting.Current edition approved April 1, 2009. Published May 2009. Originallyapproved in 1961. Last previous edition approved in 2006 as B 369 06.2The UNS system for copper and copper alloys (see Practice E 527) is a simpleexpansion of the former standard

13、 designation system accomplished by the additionof a prefix “C” and a suffix “00”. The suffix can be used to accommodatecomposition variations of the base alloy.3For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book o

14、f ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.4Available from American Society of Mechanical Engineers (ASME), ASMEInternational Headquarters, Three Park Ave., New York, NY 10016-5990, http:/www.asme.org.5Available from American Welding Society (

15、AWS), 550 NW LeJeune Rd.,Miami, FL 33126, http:/www.aws.org.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.4. Terminology4.1 For definitions of terms relating to copp

16、er alloys, refer toTerminology B 846.5. Ordering Information5.1 Orders for castings under this specification shouldinclude the following information:5.1.1 Specification title, number, and year of issue,5.1.2 Quantity of castings,5.1.3 Copper Alloy UNS Number (Table 2),5.1.4 Pattern or drawing number

17、 and condition (as-cast,machined, and so forth),5.1.5 ASME Boiler and Pressure Vessel Code Requirements(Section 12),5.1.6 When material is purchased for agencies of the U.S.Government, the Supplementary Requirements of this specifi-cation may be specified.5.2 The following are optional and should be

18、 specified inthe purchase order when required:5.2.1 Pressure test or soundness requirements (SpecificationB 824),5.2.2 Witness inspection (Specification B 824),5.2.3 Certification (Specification B 824),5.2.4 Foundry test report (Specification B 824),5.2.5 Product marking (Specification B 824),5.2.6

19、Weldability test (1.3, Section 8, and Table 2), and5.2.7 Approval of weld procedure and records of repairs(Section 9).6. Chemical Composition6.1 The castings shall conform to the chemical requirementsshown in Table 2 for the copper alloy UNS numbers specifiedin the purchase order.6.2 These specifica

20、tion limits do not preclude the presenceof other elements. Limits may be established and analysisrequired for unnamed elements agreed upon between themanufacturer or supplier and the purchaser. Copper may begiven as remainder and may be taken as the difference betweenthe sum of all elements analyzed

21、 and 100 %. When all theelements in the table are analyzed, their sum shall be 99.5 %minimum.7. Mechanical Properties7.1 Mechanical properties shall be determined from sepa-rately cast test bar castings, and shall meet the requirementsshown in Table 3.8. Weldability Test8.1 When specified in the pur

22、chase order at least one testcast as shown in Fig. 1 shall be prepared for each lot of weldinggrade castings (5.2.6).8.2 The block shall be molded, gated, and risered in amanner to produce a sound casting without defects that mightinterfere with welding or the interpretation of the results of thetes

23、t.8.3 The groove in the test block shall be completely filledwith weld deposit metal, using the manual metallic-arc processwith18-in. (12.7-mm) or532-in. (3.97-mm) diameter copper-nickel (70-30) coated electrodes conforming to classificationAWS ECuNi of AWS Specification A5.6. The interpass tem-pera

24、ture need not be controlled, unless it is to be controlled infabrication.8.4 One38-in. (9.52-mm) minimum thick bend coupon (seeFig. 2), shall be removed longitudinally from the center of thewelded block by machining, sawing, abrasive cutting, or othersuitable means. Cut surfaces and edges should be

25、sandedsmooth if necessary. The side bend specimen then shall be bent180 in a guided bend jig around a mandrel 112 in. (38.1 mm)in diameter with the weld located at the center of the bend.8.5 Cracks or other open defects exceeding18 in. (3.2 mm)measured in any direction in the fusion zone or heat-aff

26、ectedzone on the convex surface of the specimen after bending shallTABLE 1 Nominal CompositionsCopper Alloy UNS No.Composition, %Copper Nickel Iron Silicon Manganese NiobiumC96200C9640087.567.010.030.01.50.70.10.50.90.8.1.0TABLE 2 Chemical RequirementsCopper Alloy UNS No.C96200Copper Alloy UNS No.C9

27、6400Min, % Max, % Min, % Max, %Copper balance balanceLead . 0.01 . 0.01Iron 1.0 1.8 0.25 1.5Nickel, incl cobalt 9.0 11.0 28.0 32.0Manganese . 1.5 . 1.5Silicon . 0.50 . 0.50Niobium . 1.0A0.50 1.5Phosphorus . 0.02 . 0.02Sulfur . 0.02 . 0.02Carbon . 0.10 . 0.15AWhen product or casting is intended for s

28、ubsequent welding applications, andso specified by the purchaser, the niobium content shall be 0.40 % max.TABLE 3 Mechanical RequirementsCopper Alloy UNS No.C96200Copper Alloy UNS No.C96400Tensile strength, min, ksiA(MPa) 45 (310) 60 (415)Yield strength,Bmin, ksiA(MPa) 25 (170) 32 (220)Elongation in

29、 2 in. (50.8 mm), % 20 20Aksi = 1000 psi.BYield strength shall be determined as the stress producing an elongation underload of 0.5 %, that is 0.01 in. (0.254 mm) in a gage length of 2 in. (50.8 mm).B369092be cause for rejection. Cracks originating at weld-bead under-cuts, at weld-slag inclusions, o

30、r at casting defects shall not because for rejection.9. Casting Repair9.1 Alloys included in this specification are generally weld-able. Weld repairs may be made at the manufacturers discre-tion provided each excavation does not exceed 20 % of thecasting section or wall thickness or 4 % of the casti

31、ng surfacearea.9.2 Excavations that exceed those described in 8.1 may bemade at the manufacturers discretion except that when speci-fied in the purchase order (5.2.7) the weld procedure shall beapproved by the purchaser and the following record shall bemaintained:9.2.1 A sketch or drawing showing th

32、e dimensions, depth,and location of excavations,9.2.2 Post weld heat treatment, when applicable,9.2.3 Weld repair inspection results,9.2.4 Casting identification number,9.2.5 Weld procedure identification number,9.2.6 Welder identification, and9.2.7 Name of inspector.9.3 The castings shall not be im

33、pregnated without approvalof the purchaser.10. Sampling10.1 Test bar castings for tension testing of the copper alloyUNS numbers in this specification shall be cast to the form anddimensions shown in Fig. 1 or Fig. 2 of Practice B 208.11. Test Methods11.1 Analytical chemical methods are given in Spe

34、cificationB 824.11.1.1 Test methods to be followed for the determination ofelements resulting from contractual or purchase order agree-ment shall be as agreed upon between the manufacturer orsupplier and the purchaser.12. ASME Requirements12.1 When specified in the purchase order to meet ASMEBoiler

35、and Pressure Vessel Code requirements, castings ofCopper Alloy UNS No. C96200 shall comply with the follow-ing:12.1.1 Certification requirements of Specification B 824.12.1.2 Foundry test report requirements of SpecificationB 824.12.1.3 Castings shall be marked with the manufacturersname, the copper

36、 alloy UNS number, and the casting qualityfactor. In addition, heat numbers or serial numbers that aretraceable to heat numbers shall be marked on all pressure-containing castings individually weighing 50 lb (22.7 kg) ormore. Pressure-containing castings weighing less than 50 lb(22.7 kg) shall be ma

37、rked with either the heat number or aserial number that will identify the casting as to the month inwhich it was poured. Marking shall be in such a position as tonot injure the usefulness of the casting.13. Keywords13.1 copper-alloy castings; copper-nickel castings; UNSNo. C96200; UNS No. C96400TABL

38、E 4 Metric Conversion Values for Figs. 1 and 2in. (mm) in. (mm)18 (3.18) 134 (44.4)38 (9.52) 234 (69.8)34 (19.0) 3 (76.2)1 (25.4) 312 (88.9)118 (28.6) 6 (152)NOTE 1For metric equivalents see Table 4.FIG. 1 Cast Block for Weldability TestNOTE 1For metric equivalents see Table 4.FIG. 2 Weldability Tes

39、t BlockB369093SUPPLEMENTARY REQUIREMENTSThe following supplementary requirements shall apply only when specified by the purchaser in theinquiry, contract, or order, for agencies of the U.S. government.S1. Referenced DocumentsS1.1 The following documents of the issue in effect on dateof material purc

40、hase form a part of this specification to theextent referenced herein:S1.1.1 ASTM Standard:B 900 Practice for Packaging of Copper and Copper AlloyMill Products for U.S. Government AgenciesS1.1.12 Federal Standards:6Fed. Std. No. 102 Preservation, Packaging, and PackingLevelsFed. Std. No. 123 Marking

41、 for Shipment (Civil Agencies)Fed. Std. No. 185 Identification Marking of Copper andCopper-Base Alloy Mill ProductsS1.1.3 Military Standards:6MIL-STD-129 Marking for Shipment and StorageMIL-STD-248 Welded and Brazing Procedure in Perfor-mance QualificationMIL-STD-278 Welding and Casting StandardS2.

42、SoundnessS2.1 Castings shall meet the soundness requirements ofMIL-STD-278 for the category, sub-category, and criticalitylevel specified in the purchase order.S3. Pressure TestS3.1 Castings shall meet the pressure test requirements ofMIL-STD-278.S4. Weld RepairS4.1 All repair welding shall be in ac

43、cordance with MIL-STD-278 using welders and welding procedures qualified inaccordance with MIL-STD-248.S5. Quality AssuranceS5.1 Responsibility for Inspection:S5.1.1 Unless otherwise specified in the contract or pur-chase order, the manufacturer is responsible for the perfor-mance of all inspection

44、and test requirements specified. Exceptas otherwise specified in the contract or purchase order, themanufacturer may use his own or any other suitable facilitiesfor the performance of the inspection and test requirementsunless disapproved by the purchaser at the time the order isplaced. The purchase

45、r shall have the right to perform any of theinspections or tests set forth when such inspections and testsare deemed necessary to ensure that the material conforms toprescribed requirements.S6. Product MarkingS6.1 The castings shall be permanently marked in accor-dance with MIL-STD-792 and include s

46、pecification and alloynumber, pattern or drawing number, lot number, and manufac-turers name or trademark.S7. Preparation for DeliveryS7.1 Preservation, Packaging, and Packing:S7.1.1 Military AgenciesThe material shall be separatedby size, composition, grade, or class and shall be preserved andpacka

47、ged, Level A or C, packed, Level A, B, or C as specifiedin the contract or purchase order, in accordance with therequirements of Practice B 900.S7.1.2 Civil AgenciesThe requirements of Fed. Std. No.102 shall be referenced for definitions of the various levels ofpackaging protection.S7.2 Marking:S7.2

48、.1 Military AgenciesIn addition to any special mark-ing required by the contract or purchase order, marking forshipment shall be in accordance with MIL-STD-129.S7.2.2 Civil AgenciesIn addition to any special markingrequired by the contract or purchase order, marking forshipment shall be in accordanc

49、e with Fed. Std. No. 123.SUMMARY OF CHANGESCommittee B05 has identified the location of selected changes to this standard since the last issue (B369 06)that may impact the use of this standard. (Approved April 1, 2009.)(1) Revised the document to re-order the position of theGeneral Requirements Section. This permits a more expedientreference to tensile testing requirements and methods, andreference to Specification B 824 General Requirements.(2) Made some minor editorial modifications.6Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,S

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