MIL-B-007883C-1968 3.58.pdf
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1、MILITARYSPECIFICATION MIL-B-007883C(AS) 30Ju1Y1986 USEDIN LIEU OF MIL-B-7883B 20 February1968 .- . - BRAZING OF STEELS, COPPER, PPERALLOYS, NICKEL ALLOYS,ALUMINUMAND ALUMINUM ALLOYS This specificationhas been preparedby the Naval A!r Systems Command based upon currently availabletechnicalInformation
2、 but it has not been approvedfor promulgationas a coordinatedrevision of MIL-B-78838.It Is subjectto modification.However,pendingtts promulgationas a coordinatedmllltaryspeclflcat!on,It may be used In acqulsltlon. 1.SCOPE 1.1Scope.This spectficatlonpresents mlnlmumfabrlcationandquality requirementsf
3、or brazing steels,copper,copper alloys, nlcel alloys, alumlnumand alumlnumalloys. 1.2Classification. 1.2.1Typesof brazing. TypeI-Torch brazng. TypeII-Furnace braz!ng. Type III -Inductionbrazing. TypeIV-Resistancebrazing. Type V-Dip brazng. 1.2.2Jointquality.(luallty of the braze joint shall be of th
4、e followinggrades,as specified onthe appl tcabledrawing: GradeAJoints for criticalfittingsand structuralapplications which wouldprimarilyundergo high cycle vibration,hgh impact or shock, and/orhigh Internal/externalpressure. GradeBJoints for non-criticalfittings and non-critical structuralapplicatio
5、nswhich would primarilyundergo moderatevibration,infrequent mild shock, and moderate internal/externalpressure. Beneflcial comments(reconunendatlons, addtlons,deletions)and any pertinent data which may be of use in improvingthisdocumentshou”ldbe addressedto: ,Systems Engineeringand StandardizationDe
6、partment(Code 93), Naval Air ,Engineering Center,LakehurstNJ 08733-5100,by using the self-addressed StandardizationDocumentImprovementForm (DD Form 1426) appearingat the end of this documentor by letter. -h- DISTRIBUTIONSTATEMENTA.Approvedfor public release; distributionIs unlimited. . Source: http:
7、/ - Downloaded: 2007-01-04T09:05Z Check the source to verify that this is the current version before use. MIL-B-007883C Grade CJofnts for non-criticalfittingsand non-critical structuralapplicationswhich would primarilyundergo staticloading, mildvibration,andInfrequentshock. 1.2.2.1GradeA shall apply
8、to all jointswhere grade qualityis not spec!fted. 2.APPLICABLEOOCUMENTS 2.1Governmentdocuments. 2.1.1Speclf!cations,standards,and handbooks.The following specifications,standards,and handbooksform a part of this specificationto the extent speeifiedherein.Unlessotherwisespecified,the issues of these
9、documentsshalbe thoselisted in the Issue of the Departmentof Defense Index of Speclflcationsand Standards(DODISS) and supplementthereto,cited In the solicitation. SPECIFICATIONS FEDEL”,L O-F-499 W-B-655 QQ-C-576 QQ-R-571 MILITARY MIL-I-6866 MIL-I-6870 MIL-P-8853 MIL-F-80082 MIL-F-80113 STANDARDS MIL
10、ITARY MIL-STD-105 MIL-STD-453 MIL-STD-1875 Flux, Brazing,SilverAlloy,Low MeltingPoint Brazing Alloys,Aluminumand Magnesium,Filler Metal CopperFlat Productswith Slit,Slit and Edge-Rolled, Sheared,Sawed or MachinedEdges,(Plate, Bar, Sheet, and Strip) Rods, Helding,Copperand Nickel Alloy Inspection,Pen
11、etrant InspectionProgramRequirements,Nondestructivefor Aircraftand MissileMaterialsand Parts Paste, CopperBrazing,Hater Thtnning Furnace,Heat-treatingand Brazing,Electric, Controlled Atmosphere,Pusherand ConveyorBelt Types Furnace, Vacuum,Heat-treatingAnd Brazing SampllngProceduresand Tablesfor Insp
12、ectionby Attributes Inspection,Radiographic UltrasonicInspection,Requirementsfor -) -“ / -4 ./) 2 Source: http:/ - Downloaded: 2007-01-04T09:05Z Check the source to verify that this is the current version before use. - MIL-B-007883C (Copies of speclflcations,standards, and other Governmentdocumentsr
13、equired by contractorsin connectionwithspecific acquisitionfunctionsshould be obtainedfrom the contractingactlv!ty or as directedby the contracting officer.) 2.2Other publications.The followingdocumentsforma part of this spec!ficatlonto the extentspecified herein.Unlessotherwisespecified,the issues
14、of the documents which are 000 adoptedshall be thoselisted in the issue of 0001SSspecifiedin the solicitation.Unless otherwisespecified, the issue of documentsnot listedin the0001SSshall be the issue of the nongovernmentdocument whichs current on the date of the solicitation. AMERICAN MELDINGSOCIETY
15、(AWS) AKA2.4Symbolsfor Melding and NondestructiveTesting AHS A3.OMeldingTermsand Definitions AbiSA5.8BrazingFiller Metal (Application for copies shouldbe addressed to the AmericanWelding Society, P.O. Box 351040, Fliami FL 33135.) SOCIETY OF AUTOMOTIVEENGINEERS(SAE) AMS 3410 AMS 3411 AMS 3412 AMS 34
16、15 AMS 4184 AMS 4185 AMS 4701 AMS 4764 AMS 4766 AMS 4767 AMS 4768 AMS 4769 Flux, SilverBrazing Flux, SilverBrazing, High Temperature Flux - Brazing,Aluminum Flux - AluminumOip Brazing,10309F (555”C) or Lower Llqu!dus Hire,Brazing- 10Si 4CU Hire,Brazing- 12Si Wire - Copper,Annealed99.95(Cu + Ag) Braz
17、ingFiller Metal - Copper,52.5CU38Mn 9.5Ni, 1615”-1700”F(880e-925”C)Solidus-LiquidusRange BrazingFiller Metal, Silver 85Ag15Mn, 1760”-1780”F (960”-970*C)Solldus-Liqudus Range BrazingFiller hletal,Silver,92.5Ag 7.2CU 0.22LI, 1435”-1635F(780-89O”C)Soldus-LiqudusRange BrazngFiller Metal - Silver,35Ag 26
18、CU 21Zn18Cd, 1125”-1295F(605”-700C)Solldus-LiquidusRange BrazingFiller Metal - Silver, 45Ag 24Cd16Zn 15CU, 1125”-1145F(605”-620”C)Solidus-LlquidusRange 3Source: http:/ - Downloaded: 2007-01-04T09:05Z Check the source to verify that this is the current version before use. AMS 4770 AMS 4771 A14S4772 A
19、K4774 AMS 4775 AMS 4776 AHS 4777 AMS 4778 AMs 4779 AMS 4780 AMS 4782 141 L-B-007883C BrazingFiller Metal - Silver,50Ag18Cd 16.S2n15.5CU, 1160”-1175F(625”-635”C)5olldus-LiquidusRange BrazingFiller Metal - Silver,50Ag16Cd 15.SZn15.5CU 3.ONi,1170”-1270”F(630”-690”C)Solidus-LiquidusRang Braz!ng F!ller M
20、etal- Silver,54Ag 40CU 5.OlnI.ON! 1325”-1575F(720-855”C)Soldus-LlquidusRange BrazingFiller Metal,Silver, 1275”-1475F(690-8OO*C)SO BrazingFiller Metal,Nickel, 1790”-1970”F(975”-1075”C)So 63Ag 28.5CU6.OSn 2.5N!, dus-Liqu!dusRange 73Ni 4.5Si14Cr 3.lB 4.5Fe, ldus-LiquidusRange BrazingFiller Metal,Nickel
21、 73NI 4.5S114Cr 3.lB 4.5 Fe (Low Carbon)1790”-1970”F(975”-1075”C)Solidus-Lquldus Range BrazingFiller Metal.Nickel,82N! 4.5Si 7.OCr3.lB 3.0 Fe 1780*-i830”F(90*-1000C)Solldus-LquidusRan BrazingFiller Metal,Nickel,92Ni 4.5S13.lB, (980”-I040*C)Solidus-LlqudusRange BrazingFiller Metal,Nickel,94Ni 3.5Si1.
22、86, (98O”-1O65”C)Solldus-LiquldusRange e 800”- 800e- 900”F 950F BrazingFiller Metal, Manganese,66Mn16Ni 16C0 0.806, 1770”-1875F(965”-I025”C)Sol idus-LiquidusRange BrazinqFiller Metal,Nickel 7Ni10Si 19Cr,1975-20750F (108011350C)Solidus-LiquidusRange (Application for copiesshould be addressedto SAE, 4
23、00 CommonwealthDrive, biarrendale PA 15096.) 2.3Order of precedence.In the event of a conflictbetweenthe text of this specificationand the referencescited herein,the text of this specificationshall take precedence.Nothingin this specification,however, shall supersede applicablelaws and regulationsun
24、lessa specificexemption has been obtained. 3.REQUIREMENTS 3.1Material. 3.1.1Filler metal.Filler metalshall conformto the documents referencedin 2.1 and 2.2, except that copper filler metalshall be deoxidized copper withoutresidual deoxidizingagents(see 6.1.5). - Source: http:/ - Downloaded: 2007-01-
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