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1、AMSC N/A FSC 5920 MIL-DTL-24646B SUPPLEMENT 1 27 May 2008 DETAIL SPECIFICATION FUSE BOXES, GENERAL SPECIFICATION FOR This supplement forms a part of MIL-DTL-24646B, dated 29 April 2008. SPECIFICATION SHEETS MIL-F-24646/1 - Fuse Boxes, Feeder Distribution, Totally Enclosed, 125 Volts, Alternating Cur
2、rent, Single and Three Phase Buses, Single Phase Branches, 0-30 Ampere Midget Fuses, Symbols 600, 601, 612.1, 613, 613.1, and 614. MIL-F-24646/2 - Fuse Boxes, Feeder Distribution, Totally Enclosed, 125/250 Volts, Direct Current, Three Wire Buses, Two Wire Branches, 0-30 Ampere Midget Fuses, Symbols
3、609, 610, and 611. MIL-F-24646/3 - Fuse Boxes, Feeder Distribution, Totally Enclosed, 125/250 Volts, Direct Current, Three Wire Buses, Two Wire Branches, 0-30 Ampere Fuses, Symbols 540, 541, and 542. MIL-F-24646/4 - Fuse Boxes, Feeder Distribution, Totally Enclosed, 450 Volts, Alternating Current, T
4、hree Phase Buses, Single and Three Phase Branches, 0-30 and 31-60 Ampere Fuses, Symbols 543, 544, 545, 546, and 547. MIL-F-24646/6 - Fuse Boxes, Feeder Distribution, with Switches, Totally Enclosed, 125 Volts, Alternating Current, Single and Three Phase Buses, Single and Double Feeder, Single Phase
5、Branches, 0-30 Ampere Midget Fuses and Snap Switches, Symbols 602, 603, 604, 605, 606, 615, 616, 617, 618. MIL-F-24646/7 - Fuse Boxes, Feeder Distribution, Submersible (15 Feet), 125 Volts, Alternating Current, Single Phase Buses, 0-30 Ampere Midget Fuses, Symbols 635.1, 653.1, and 654.1. MIL-F-2464
6、6/8 - Fuse Boxes, Feeder Distribution, Submersible (15 Feet), 125 Volts, Alternating Current, Three Phase Buses, Single Phase Branches, 0-30 Ampere Fuses, Symbols 646.1 and 647.1. MIL-F-24646/9 - Fuse Boxes, Feeder Distribution, Submersible (15 Feet), 250 Volts, Alternating Current, Single Phase Bus
7、es, 0-30 Ampere Fuses, Symbols 555.1, 556.1, 557.1, 558.1, and 559.1. MIL-F-24646/10 - Fuse Boxes, Feeder Distribution, Submersible (15 Feet), 250 Volts, Alternating Current, Three Phase Buses, Single and Three Phase Branches, 0-30 Ampere Fuses, Symbols 560.1, 561.1, 562.1, and 563.1. INCH-POUND MIL
8、-DTL-24646B SUPPLEMENT 1 2 MIL-F-24646/11 - Fuse Boxes, Feeder Distribution, with Switches, Watertight, (3 Feet), 125 Volts, Alternating Current, Single and Three Phase Buses, Single and Double Feeders, Single Phase Branches, 0-30 Ampere Midget Fuses, and Snap Switches, Symbols 645, 645.1, 649.1 and
9、 650.1. MIL-F-24646/14 - Fuse Boxes, Feeder Junction, Totally Enclosed, 250 Volts, Alternating Current, Three Phase Buses, Single and Three Phase Branches, 0-30 and 31-60 Ampere Fuses, Symbols 680 and 681.1. MIL-F-24646/15 - Fuse Boxes, Feeder Junction, Submersible (15 Feet), 250 Volts, Alternating
10、Current, Feed Through Twin Conductors, Single and Three Phase Buses, Single and Three Phase Branches, 0-30 and 31-60 Ampere Fuses, Symbols 685.1, 686.1, 691.1, and 692.1. MIL-F-24646/17 - Fuse Boxes, Feeder Junction, Submersible (15 Feet), 500 Volts, Alternating Current, Three Phase Buses, 0-30 Ampe
11、re Fuses, Symbol 693.1. MIL-F-24646/18 - Fuse Boxes, Branch Junction, Submersible (15 Feet), 125 Volts, Two Conductors, 0-30 Ampere Midget Fuses, Symbol 671.1. Custodians: Preparing activity: Navy - SH DLA - CC DLA - CC (Project 5920-2008-015) NOTE: the activities listed above were interested in thi
12、s document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at http:/assist.daps.dla.mil. !* .-. MILITARYSPECIFICATION ELECTRODES,WELDING,MINERAL-COVERED, MIL-E-22200/9B(SH)
13、14 April1982 SUPERSEDING MIL-E-22200/9A(SHIPS) 13 June1975 (See6.5) LOW-”HYDROGENOR IRON-POWDER,LOW-HYDROGEN,NICKEL-MANGANESE-CHROMIUM-MOLYBDENUM ALLOYSTEELFORPRODUCINGHY-130WELDMENTSFORAS-WELDEDAPPLICATIONS Tnisspecificationis approvedforuse bytheNavalSeaSystems Command,DepartmentoftheNavy,andis av
14、ailableforusebyall DepartmentsandAgenciesoftheDepartmento-fDefense. 1.SCOPE “l-“ Thisspecificationcoverslow-hydrogenorlow-hydrogen iron-powdertypeofcoveredelectrodes,forthefabricationandrepair weldingofHY-130steelforas-weldedapplications. 1.2Classification.Electrodescoveredby thisspecificationare cl
15、assifiedonthebasisoftype,class,weldingposition,size,andbase metalthicknesstobeweldedasshownin tableI, as specified(see6.2), Beneficialcomments(recommendations, additions,deletions)andany pertinentdatawhichKaybeofuseinImprovingthisdocumentshouldbe addressedto;Commander, NavalSeaSystemsCommand,SEA3112
16、,Departmen oftheNavy,Washington,DC2a362byusingtheself-addresaedStandardi- zationDocumentImprovementProposal(DD Form1426)appearingat tneend ofthisdocumentor byletter, FSC3439 ,f-1 . -t.:? t41L-E-22200/9B(SH) TABLEI.Classification.“-l x1“ Basemetalthicknesstobewelded I MIL-14018-M1 3/6inchandthicker :
17、lassElectrodesize,Welding“ diameter,(inch)position 1118,All, 25/32Horizontal filletsand flat Typeclassificationsofelectrodeswillbe determined accordingto thecapabilityoftheelectrodeto meet thetestsspecifiedherein,whenusedin thepositions ofweldingspecifiedin tableI andin section4.An electibde shallbe
18、 approvedunderONEtypeclassifica- tion:andanelectrodeshallNOTbeapprovedIfit differsintypefromthatstatediiI themaniifacturers requestfortest.Thepositiondescriptionindicates 4* themaximumsizequalifiedunderthespecification. However.referenceshouldbe madetotheQualified productsList(QPL)fortheselectionof
19、electrodes“for allpositionsof welding. 2.APPLICABLEDOCUMENTS 2.1 C*vernmentdocuments. 2.1.1Specificationsandstandards.Unlessotherwisespecified,the fOllOwinRsDecif icationsandstandardsoftheissuelistedin thatissueof theDepatmentofDefenseIndexofSpecificationsandStandards(DoDIS5) specifiedin thesolicita
20、tionforma partofthisspecification,to the extentspecifiedherein. SPECIFICATIONS:,;“ MILITARY“” MIL-W-1043O- WeldingRodsandElectrodes:Preparationfor l)eliveryof. MIL-E-22200- Electodes,Welding,Covered:GeneralSpeci- ficationfor. MIL-S-243T1- SteelPlate,A11oY,Structural,High”, Yield Strength(HY-130). -e
21、 2 ep , 0 6.8ofTableIV UIL-E-22200 -4.4.1 and3.7.1 of figures 1 and 2HIL-E-22200 .- 4.4.1.andTable111 figure1,. x-U.ti.l and figure2 ,I I .xNAVSEA 0900-LP-005-5000 and4.4.2 TableIII TsbleIII Theelectrodesample selectedin accordancewith4.4.8 of t41L-E-22200 shall be large enough to makeall welds requ
22、ired by figures1 and 2and the. explosionbulgetest. 4.3Quality conformance inspection. 4.3.1Lot. A lot of electrodes shall be as specified in 4.4.2.1 and 4.4.6.1 of MIL-E-22200inspectionlevelA. 4.3,2 Samplesfor qualityconformance inspection. Samplingfor qualityconformance inspectionshall be in accord
23、ancewith 4.4.7 through4.4.8.3 of MIL-E-22200. 4.3.3Quality conformance inspection.The samples, selectedin accordancewith 4.3.2 shall be ,Subjected to the examinationa“d testsspecifiedIn tableVII and the weldnetal tests specified:intableVIII. . . . 1 a m ( , MIL-E-22200/9B(Sl?) TABLEVII.Qualityconfor
24、manceinspection. Examinationor test Visualanddimensional Concentricity Coveringmoisture Test procedures I Requirements -=-l 4.6.2.3 4.6.2 4.6.9 3.6and3.10of.“ MIL-E-22200and3.6., herein 3.5.2ofMIL-E-22200 3.2.1herein TABLEVIII.Summaryofweldmetaltestsrequiredforquality conformanceinspection. Electrod
25、e type MIL-14018-M1 Chem-1 ical x - ,. - - 1I1 Radio-Ten-Dynamic I Test graphicsiletearprocedures 111 -+-+-14ik=2fJo IIi x“- - 4.4.1and figures1arid 2 - x - 4.41 and figure1 1 I - - I x4.4.1and figure2 1I1 Requiremerits ,# TableIV 3.7. liof MIL-i-22200 -+ 4 -e d Table “III tensile,bendwhenrequired.,
26、 or dynamicteartest aredeterminedto beunaatisfectory.oneretestinvolvingtwicethenumber ofspecimensoriginallyrequiredmaybe permitted.Theresultso,fail retestsshallbesatisfactoryforlotacceptance. . . !1 4.4Testprocedures. 11.4.1Weldtestgroovejoint.Thedimensionsof thetestweldmen endthelocationofthetensio
27、nanddynamictearspecimensareshownori” figures1 and2.Thetestweldment,figure1 shallbeextendedto pro;ide fortwotransversesidebendtestspecimenswhen qualificationtestitis an . . 8 ,. ;, :“ MIL-E-22200/9B(SH) ,. G “ $- “* ,p electrode.Thetransversesidebendtestspecimensshallbetakennextto thediscardends.Thet
28、estassembliesshallbewelded,machined,and testedas outlinedbelow: (a)Thebase-platematerialshallbeHY-130steelin acordance withMIL-S-24371. I (b).DirectcurrentreversepolarityshallbeJsed. (c)Theflatpositionshallbesedforthe5/32-inchsize electrodeandtheverticalpositionforthel/8-inchsize electrode. (d)A low
29、coolinurateanda highcoolingrateweldmentshallbe fabricatedoreachsizeeiectrode,-in,l-inchplate. (e)Thecoolingrateparametersforfigures1. and2 shallbein accordancwithtableIX. TABLEIX.Coolingrateparameters. ( Nominal weldmentCoolingFigure Typeplateratenumber thickness (inch) Low1 MIL-14018-M11 .High2 Pre
30、heat andinterpass tirnprature ( F) 275tO300 200to 225 Heatinput (joulesper inch) . 35,000to 40;000 30,CO0to 35,000 (f)Uponremovalfromcontraotortsunit containerorholding oven,electrodesshallbeplacedinaholdingovenatthe jobsie.Thetemperatureoftheholdingovenshallbe 225 to300F.Theweldershalluseeachelectr
31、odeimmediately uponremovalfromtheholdingovenatthejobsite. (g)Thejointsurfacesshallnotbe clador battered. (h)Allweldingmaybe continuosexcept,forInterpasscooling. Plannedinterruptionof waldingshallbefollowedimmedi- atelybyoneof thefollowingheatsoakingtreatmentswith- outtheweldmentcoolingbelowthaInterp
32、asatemperature: (1)Partially 500. 5$yeted weldsl/2-inchthickorless - OFfor4hoursminimum. (2)Part 10 ., ?a, MIL-E-22200/9B(sH) (j)Explosivechargeandstandoffconditions.for thecrack starterplatesshallbesuchthatasmooth,unweldedplate ofequivalentyieldstrengthwouldattaina minimumthrough- thicknessredactio
33、nof5 percentat thecenterofthebulge aftertwoshots. 4.5Certificateoftest.A certificateofquaiityconformanceof theweldtestsspecifiedin11.3, containingactualquantitativetestand examinationresultsincludingtherbngeofamperageemployedin makingthe reqtiired welds “for qualityconformanceinspectionforeachaccept
34、edlot, inaladedin a particularshipmentshallbefurnishedto theconsigneewith theshipment.Tne minimumqualityconformancetest resalt”datarequired shall belisted on figure3 andshallbesbmittedontheformshown. U.6Inspectionof preparationfordelivery.Thepackaging,packing, and markingshallbeinspectedforcomplianc
35、ewithsection5 ofthis document. 5.PACKAGING ;, - (Thepreparationfordeliveryreqirementsspecifiedhereinapplyonly fordirectGovernmentacquisitions.) 5.1General. Eacnendofunitcontainers(metalcansjshallbe providedwith fiberboardorothercushioningmaterialtorestricttheend- wiaemovementoftheelectrodesandtoprov
36、idea snug-fittingnonshifting load.Theappliedpackagingshallmeetthestabilityrequirementsspeci- fiedin3.5,8ofMIL-E-22200andprovidethenecessaryprotectionso that theelectrodecoveringsdonotexceedthewatercontentof32.1 andtable 11.herein”. 5.2Packaging.PackagingshallbelevelA or “C, 6s specified(see 6.2),. 5
37、.2.1.Level A.Allelectrodesshallbepackagedin class1 unit containersin accordancewithMIL-W-1OU3O. 5.2.2LevelC. Electrodesshallbe packagedto affordprotection againstdeteriorationandphysicaldamage(see5.1)duringshipmentfrom thesupplysourceto theusingactivity.Thecontractorsretailor whole- salepackagingpro
38、ceduresmaybe utilizedwhenaachmeetstherequirements of thislevel. 5.3Packing.PackingshallbelevelA,B,orC,asspecified(see 6.2). 5.3.1LevelsAandB.Electrodes.packagedaaspecified(see6.2), shall be level A or B in accordance with MIL-w-1043o.Palletizationwhen required(see6.2)ahsllbein accordance,withI4IL-W-
39、1043O. 5.3.2Level C. Electrodes, packagedas specified (see 6,2), shall be packed in containers acceptable to the common”carrierandwhichwill insuresafedeliveryat destinationin a satisfactoryconditionat the . .: MIL-E-22200/9B(sH) ,. lowestapplicablerate.Container*,packing,or methodofshipmentshall com
40、plywiththeUniformFreightClassificationRatings,RulesandRegula- tionsor NationalMotorFreightTrafficAssociationor othercarrierrules asapplicabletothe modeoftransportation. 5.4MarkinOSHASafetyandHealthStandards,29CFR, 1910, availablefrom theSuperintendentofDocuments,“U.S. Government PrintingOffice,Washi
41、ngton,DC20402. .,., DO NOTREMOVETHISLABEL 5.4.1.2Classlbcontainers.Eachclasslbcontaineronthe containerendadjacent. tothe. electrodegripendshallbe marked“OpENTHIS END”. 12 ?,. MIL-E-22200/9B(SH) 6.NOTES 6.1Intendeduse.Thisspecificationis intendedto cover nickel-manganesechromium-molybdenumalloysteelm
42、ineralcoveredw“elding electrodescapableof depositingweldmetal,thatin theas-welded condition,meetsthemechanicalpropertiesgivenherein,whenweldedon HY-130steelwiththeshieldedmetal-arc“processusingdirectcurrent reversedpolarityandthetechniquesspecifiedherein.Theprimaryuseof theseelectrodesarefortheweldi
43、ngofHY-130steelforapplicationsin theas-weldedcondition. 6.1.1TypeMIL-i4018-Ml.Thistypeis intendedforweldingHY-130 steel3/4-inchandgreaterin thickness. 6.2.Order.ing data.Acquisitiondocumentsshouldspecifythe following: (a)Title,number,anddateofthisspecification. (b),Type,class,andsize(see1.2)., (c) ,
44、Whetheralloy identity testing ofthecorewireofeach coveredelectrodeafterfinalmarkingis required(see 3.8). (d)Levelsof packagingandpackingrequired(see5.2and5.3). (e)Whenpalletizationis required(see5.3.1). (f)Specialmarking.eqired(see5.U). 6.2.1Electrodesshouldbeorueredbythepound. 6.3-Inspectionafterde
45、livery.Postdeliveryinspectionof elec- -trodesto determineconformityto thisspecificationandforacceptance thereofis theresponsibilityofth:c0nsi8nee. 6.4Electrodecontractorscanmakearrangementstohave5/8-inch. dynamicteartestscondticted by contactingthefollowing:Commander.Hare IslandNavalShipyard(CodeM13
46、8),Vallejo,CA 94592orCommander, PortsmouthNavalShipyard(Code374),Portsmouth,NH03801. 6.5Changesfrompreviousissue.Asterisksarenotusedinthis revisiontoidentifychangeswithrespecttothepreviousissue.duetothe extensivenessofthechanges. Preparingc;vity: Navy (Project3439-N342) . G e .- 13 MAX. WELD REINFOR
47、CEMENT I 2“ DISCARD “IL-E-22200 /9B(SH) I I ITENSION I ITESTSPECIMENS1 I I .1 I 1 E 1 - q - 1 I I- I “1 I I I i I I *13MlN 117”MIN. ,.,. A MELD FACE 7“ 2”DISCARD LAYOUTOF TESTWELDMENT ,. 0 I *.“ * 1, ,. JOINTGEOMETRY Ski 1086?3 I1II 1/Nominal Nominal- Hinimum Type thicknessthickneSS width (T) (w) (I
48、nch) (M) (Inch) HIL-14018-M1 .1 1/2 1 SPECIMENLOCATION Dinmeterof Minimum Number. of tension specimen opening Dimension specime.n within gauge (R) (c) length (nch)(Inch) (Inch) I l/2 /Tolera”ce onplatethicknessshallbe thatspecified inHIL-s-2371. , FIGURE 1. Lowcooling atetestweldments., 14 .2 ., HIL
49、-E-22200/9B(SH) “ MAX. WELD #ENFORCEMENT . “-l . 2“ DISCARD * 1,1, 111,1 I ,II I 1 Ill I .1III I I !-A-JI I I I 1IJ 2“ DISCARD MIN.- LAYOUTOF TESTWELDMENT . “”“*, e FIGURE3. certification of quality conformance inspection. 16 P- PIIL-E-22200/9B(SH) Weherebycertifythattheabovematerialhasbeentestedin accordance ,-. withthelistedspecificationandis in conformancewithallrequirements. NOTES: 1.T