INSPECTION,LlC?31DPEiiZTPAhTAND MAGNETIC …

1 IIIIIIIIIIII[IFUHWND1 MILATD-19077 September19a9 SUPJXSEDIKMIL-P-47L58(MI)7 June1974 MIL-M-47230(MT)26 Jily1974 MILrmlwS1 ANDAAnINSPECTION,LlC?31 DPEiiZTPAhTANDMAGNETICPAKHCLS,SOUNDNESSR EaJIRmm7!sKIRmTmIAM,PARTSA mvmuMmrsAhi5 ; :-., @ ::. ,, . Applicationguidan~ APPLICABLEI xmmmISGovernmmtdocm=nte staAards orderofpreced~-----Cracka Elongatedindications Microsegregations laminations L,s?s -_ - . Flakes- - -_. __ --@ldshuts-- - - -------Shrinks ..-holepxosity --wsidmntdefect+- --- - _- .-CLuster-- - _ - -- ----- --tierdefinitLom 2----- - 2- - --GsNERALRELxJ3RR@ms - Inspections+~c3assifi=tio-GradeA GradaBG-adsCGrade~- - DErAuEDREQJ13mENLs.]

2 Reviewofindications - InterpretationofimdimtionsMximumdisconti nuitysizeanddistributionforwroughtprcrhc ts-~-- --- ------ ----Maximdiscontinuitysizeanddistrii=uci onforcastangs--- - - ---------. _ --__- -1112222333333%33344447777778a888,.iii IW19O7~NTEm S-ConLinuedFIGiJR! ~tionfo:w21&snu -8 Wmrelevantitiications8 EQcroaagrqations 8marinationschedul~sIns~ 8 Liquidpmetmntins~on8 Magneticparticleinepection 8 Accept/Rejectcriteria9Nn Es- -12 Intenddu5e--12 IssueofLXXXSS -12m-arequiremnts -12 Criticalareas - -12 Fabricationstage- - 12 Subjectterm(Keyword)listing -- -- -12 Sup?

3 ZsaSsiondata -- -- - - - ~- -- - -13%Weldrentdimmtinuities- - -- -- - - 5 MSXimumalloabledismntinuitysizas(ininche s)anddistribution;.wroughtprcdticts,area sck~erthanWeldnents- 9allrwablediscontinuitysizes(inincke)and distribution;castings - (ininches)anddistribution; ,.:>. ) ~.Thisstardarddescribesthediscqkinuityli mitsallc++edunderfourqualitylevelclassif icationsforpenetrantinspectionendthreequ alitylevelclassifi~ ,castings,tubes,sheets,bars, ,umechined,welded, , , ,brazdjoints-myalsobeweldmn ~ ,theissuesofthesedocumn=arethoselistedin theissueoft-heKqartmmtofDefenseIrKIe%ofS pxificationaandStandards(COOISS)andsuppl m=ntthereto,citedinthesolicitation( ).

4 SrANoAiu6 MIL-S IW109~ ,t4agneticParticleMIL-STB6866 Inspxtion,LiquidPenetrant[Unlessotherwis eindicated, +iicatio~,S~dS,andhardbcokaareavailablef rantheNavalPublicationsardFormsCDm b=,(ATIN:tWX6),5801*rAveme,Philadelphia, PA19i211-5099.)* +?re~erencescitedherein, ,ho~evec,supersedesrSWlaziOnSu!!kssa+sci fice~enptionhas& :-.,. ~tiooflengthandwidthtocpeningdisplacssre nt,causedbyexcessivestressesdevelopsddur ingfabri= ~ongatedindicationsarethoseirxlicetions* ~lyoronthesurfaceofvariousprcducts. I& ,hole, ,iftheyappsarinclustersorstringersorifab norrrallylargeindividually(forthequality levels~ified),theyareirriicativeofmwia-l sorpractic=ofW=tio= + ,metallurgicalphencmm,kmmasmicrosegregat ions,my&revsdedasextremlymrrmlines,usual lylongandstraight, feel butfailingtofuse.]

5 ~ldshut=are~tiL= ,butthelattertermismrecorrectlyUSdtOd.~ ,3., ,o~ $rinkagesponge~=smyincludemallvoidsinthe formofstringersorbanches,ortheremyDSinev idencea fingerprint ~ ~ ~tiontermshallbeinac~ (SeeNoteljm\UNOER8 EADTOECRACK,CRACli UNDERSIOECRACK(SeeNote1):..STARORBASECRA TERMETALCRACKCRACK(SeeNote1)%,(SeeNote2) ..UDPLETERATION(SeeNote2 ),NOTES:141L-STD-1907X NOERC TTINGELONGATEDNSROUNOGASHOLES(SeeNote2)( SeeNote2) ,magneticparticleindicationsarerelativel ysharpandtendto StandUp . ,lackofbeadedgefusion, ,indicationsoflackofpene-tration(LOP) _MIL+ tiollingsoundnessoflWSCreSSSdareasadjace n:togradeA,B,orCSK==.)

6 ~ ,I.:,,7:.. , ~clesordevelo~ bemadebetweenscratches,gougesandtcdtears ( )oractua 1cracks,iaps,ss=.m,etc.,(relevant).., !$ , , ~, , ~~ationorlackoffusion,thelergthlimiushow nintable111forelongardvoidsorinclusionsa reapplicable. Thesha~,in=nsity,lccazion,ardarrangexren tofallsubsurfacephenrrrenashallbe~efuliy evaluateisinceallowable-emetal9a? particlesinareas! ,wddbeads,orotherareaa,particularlyiithe reiss~ , ~ations. l%eappearanceofindicationsduetomicrosegr egations( )shallnot penetrantinspectionshallbepsrfonredinacc ordance*i-&therequiremn tiofWL-STD-6866assupplementedbyacanpanyo rlocalprmssspecification.

7 ~ ~ :DD-1* s.**Magneticparticleins~tiononly. D-3* D-3 (ininches)addistribution~ . * )$D_5* *DismntinuiCiesnoclosertoe+chotherthanfi vetimSm~ I hiss~disintededtoproviderequir-tsforthea ccbpmceofunitsthatareins~tedbyeitherthem gneticparticleins~tionmthcdinamcm%ncewit hMIIcSlW1949ortheliquidpetrantinspection mthcdinaccord-withMIL+ ) , ( ). , ,itisreasombleforthedesigneroiafinishedu nittoexpe@_thatthequalitylevelsselectdwi llk- orcdasapartofthefinalinspectionprocedure san3tospecif%thatthereq unmchinedforgings,orotherforms, ~iiyingrawstockforunitasubjecttosev=~eii nalimpectionreq~irerrents, (key.

8 +crd) ,chemicalCastingCiassificatiOnfikaminati ons140n-dastrurxivetestingPenetratingflu idsTestingP&ldingSuperseasiondata. 1 (MI)datd7 June1974ardMIL++4723L)(MI)dated26 July1974ardSWSKS* ::. ,. ,inch/~undd--ionsareusedinthisaccordance with_s1 :w-~Navy-As AirE Orce-2 JReviewactivities:Amy -AR, m,MENavy-AirForce-24,70,ao,a2,d4,99 Useraccivicies:~-AT,AL,ME, l E,AVNavy-0 SAirFtKce-71,doDL4-I,13I::,, (Foldakln#*bUw)--DEPARTMENTOFTHEARMY1111 1~FIUNITEDfTATEsOFFICIALc4uMNEGBUSINE:MS NR~PLYMAIL~ ?EMALTYFORlRIVATEUSE~.FtllSTCL* ~,,hI ,tiedstoneArsenal,AL35890-5270 ,~..---NIX% ,titian.

9 Ork-a dcon& ,.::. 1 IIIIIIIIISTANDARDl_TIWDOCUME~IWROVEMEWpR ~L(SCCIIUtrUCffLNO-ROV )>CUMENTHuMQERzOOCUMENTTITLEI nspection, , partsandHeldments,AMEOF..w, (~+-JqVE oonnomm W-din:+-IEUARKSINAMEOFsuOUITTEm& ,Ml) *,-OpStolulMA,I.,MGADDRESS[ +)-00*~(a,OATEOFSU8M!SS1ON(Y, I 00: !%)]